Aug
1
Cetirizine
August 1, 2009 | Leave a Comment
Generic Name
Cetirizine (seh-TERE-ih-zene)
Brand Name Zyrtec
The information in this profile also applies to the following drugs:
Generic Ingredient: Azelastine
Generic Ingredient: Fexofenadine 91 Allegra
Generic Ingredient: Levocetirizine 91 Xyzal
Type of Drug Antihistamine.
Prescribed For
Azelastine: runny nose, sneezing, nasal itching, and post-nasal drip. Cetirizine: stuffy and runny nose, itchy eyes, and scratchy throat caused by seasonal and year-round allergy, and for other symptoms of allergy such as rash, itching, and hives; also prescribed for chronic itching and for asthma. Fexofenadine: sneezing, stuffy and runny nose; scratchy throat and mouth; and itchy, watery, and red eyes caused by seasonal allergies. Levocetirizine: stuffy and runny nose, itchy eyes, and scratchy throat caused by seasonal and year-round allergy, and for other symptoms of allergy such as rash, itching, and hives; also prescribed for chronic itching.
General Information
Antihistamines generally work by blocking the release of histamine (a chemical released by body tissue during an allergic reaction) from the cell at the H, histamine receptor site, drying up secretions of the nose, throat, and eyes. Cetirizine causes less sedation than older antihistamines and appears to be just as effective. Levocetirizine is the active portion of the cetirizine molecule and is as effective as cetirizine with a similar side effect profile.
Cautions and Warnings
Do not take cetirizine if you are allergic or sensitive to any of its ingredients.
People with kidney disease should receive reduced dosages of cetirizine and levocetirizine. Do not take these drugs if kidney disease is severe. Children with kidney disease should not receive levocetirizine.
Possible Side Effects
✓ Common: headache, drowsiness, fatigue, dry mouth, bitter taste in the mouth, dizziness, runny nose, and sore throat.
✓ Less common: nosebleeds, stuffy nose, sneezing, cough, nausea, upset stomach, changes in bowel habits, nervousness, and fever (children).
♦ Rare: fainting and weight gain. Contact your doctor if you experience any side effect not listed above.
Drug Interactions
• Cimetidine may increase the level of azelastine in the blood.
• Cetirizine is less likely than other antihistamines to interact with drugs.
• Ritonavir increases the amount of levocetirizine and slows its breakdown in the body. This may result in increased levocetirizine side effects.
Food Interactions
• Ceterizine and levocetirizine may be taken without regard to food or meals.
Usual Dose
Azelastine Nasal Spray
Adult and Child (age 12 and over): 1-2 sprays in each nostril twice a day.
Child (age 5-11): 1 spray in each nostril twice a day.
Cetirizine
Adult and Child (age 6 and over): 5-10 mg once a day depending on symptoms. Reduce dosage in people with kidney disease. Child (age 1-5): 2.5-5 mg a day.
Child (age 6 months-1 year): 2.5 mg a day.
Fexofenadine
Adult (age 12 and over): 60 mg twice a day or 180 mg once a day. People with kidney disease should take 60 mg a day.
Child (age 6-11): 30 mg twice a day.
Levocetirizine
Adult and Child (age 12 and over): 5 mg every evening.
Child (age 6-11): 2.5 mg (1h tablet) every evening. Dosage for children should not exceed 2.5 mg a day. Child (under age 6): not recommended.
Overdosage
Drug overdose is likely to cause severe side effects. Overdose victims should be Oven ipecac syrup—available at any pharmacy—to make them vomit and be taken to a hospital emergency room. ALWAYS bring the prescription bottle or container.
Special Information
Use extra caution while doing anything that requires concentration, such as driving a car or operating hazardous machinery.
Report sore throat, unusual bleeding, bruising, tiredness, weakness, or any other unusual side effect to your doctor. Do not combine these drugs with alcohol or other nervous system depressants. Do not put azelastine nasal solution into your eyes.
If you forget to take a dose of cetirizine, take it as soon as you remember. If it is almost time for your next dose, skip the one you forgot and continue with your regular schedule. Do not take a double dose.
Special Populations
Pregnancy/Breast-feeding: Oral antihistamines are generally considered safe for use during pregnancy. But do not take any antihistamine without your doctor’s knowledge if you are or might become pregnant—especially during the last 3 months of pregnancy, because newborns may have severe reactions to antihistamines.
Small amounts of antihistamine pass into breast milk. Nursing mothers who must take cetirizine should use infant formula.
Seniors: Antihistamines are more likely to cause dizziness, sleepiness, and confusion in seniors. Dosage reduction may be recommended depending on kidney function.
Jul
15
Living with your Prostate. FAQ.
July 15, 2009 | Leave a Comment
Living with your Prostate
We hope we have shown you two things: firstly, you need to be aware of your prostate gland and what can go wrong with it, so that you can get treatment for any possible problems if they arise; and secondly, even if problems do arise, they are unlikely to be as bad as you may fear, and can probably be completely cured.
BE AWARE AND DON`T DESPAIR are the key words when it comes to the prostate. A positive outlook on life is one of the greatest weapons we have at our disposal. Never forget it.
BE AWARE
It is important to keep an eye on any changes in your urinary habits, particularly after the age of 50. Changes may creep up on you slowly over the years, but don’t use that as an excuse for not taking them seriously.
Ask yourself the following questions:
• Do you have to get up at night to urinate?
• Do you urinate much more often than you used to?
• Do you have difficulty passing water?
• Is your flow of urine particularly thin or weak, particularly in the morning’?
• Do you ever experience any pain when you urinate?
• Do you ever notice any blood in your urine?
• Can you urinate as high, or as far, as you used to’?
• Do you get pains in the region of your prostate, in the groin, or around your genitals?
• Do you sometimes find it difficult to start the flow of urine’?
• Do you sometimes find that you involuntarily stop and start urinating?
• Do you sometimes feel as though you haven’t quite emptied your bladder and there’s more to come?
• Do you have to strain to pass water?
• Do you ever suffer from incontinence?
• Does your urine continue dribbling, even when you think you’ve finished’?
• Do you sometimes need to rush urgently to the toilet to urinate?
• Do you ever notice blood in your semen?
Warning symptoms
If you have answered Yes to one (or more) of these questions, you may be experiencing problems with your prostate. Warning signs of this kind are there to be taken notice of and you should never ignore them. Men are notoriously good at sweeping under the carpet things that make them feel uncomfortable, and signs that all may not be quite as they should be on the health front come into this category. The reason why you should not do this is a straightforward, not to say obvious, one. It is, quite simply, because the sooner you do something about them, the greater your chances of doing something constructive about them and effecting a cure.
Men also tend to be frightened of wasting their doctor’s time and being viewed as a nuisance. But you shouldn’t worry about this, your doctor is very unlikely to think this way. Doctors are there to look after your health, and if something is really worrying you that’s enough to warrant a visit. So the message is:
GO TO SEE YOUR DOCTOR
CONSULTING YOUR DOCTOR
First of all, your doctor will want to know all your symptoms. To make sure you don’t forget to tell him about any of these, make a list of them before you go to the surgery. You should also make a note of any questions you want to ask him. The doctor will take a general medical history, with particular reference to any serious familial diseases such as diabetes, heart disease or haemophilia, and any drugs you are taking. He will also want to know about any important changes in your health that you have noticed recently, such as general fatigue or lower back pain, which may not seem to you to be at all relevant but which could be important to the doctor. If you’re worried about your urinary habits, it’s as well to establish a relationship with your doctor, so you can get to know him and he can get to know you and your anxieties sting. If you’re just starting to have symptoms, he may not find anything much wrong now, but he will want you both to keep an eye on things and to monitor the situation. Above all, never be embarrassed to talk to your doctor about your urinary habits. He won’t be embarrassed and you shouldn’t be either.
YOUR LIFESTYLE
There are several changes you can make to your lifestyle which will help keep your prostate healthy.
Try to do the following:
• Don’t smoke. Smoking causes spasm in smooth muscle and may, as a result, make matters worse, particularly if a prostate problem has already been diagnosed.
• Keep your consumption of alcohol, which can irritate the bladder, as low as possible. In particular, avoid beer.
• Avoid coffee nexium swollen lip problems . Coffee has an irritating effect on the bladder at the best of times, and if the bladder is already
`unstable’, this effect is likely to be heightened.
• Try to keep stress in your life to a minimum, as it can intensify urinary problems such as hesitancy and urgency.
This is easier said than done, but you may benefit (wouldn’t we all?) from making every effort not to allow yourself to be too easily worked up by the pressures of modern-day life. Try learning some relaxation techniques.
• Try to avoid going out in the cold, which can often trigger bladder problems.
• Wrap up warm.
• Get plenty of sleep.
• Take regular exercise. In particular, it is thought that having played a lot of sport regularly as a child, particularly before reaching puberty, may have a protective effect against the development of cancer of the prostate. Exercise is still beneficial in adult life because it keeps the muscles around the abdomen active.
• Don’t regularly restrict your fluid intake because you are frightened of having to go to the loo too often. Drinking less may not actually help anyway. If you have an important meeting, or are going to the theatre, restrict your fluid intake from about three hours beforehand, which should help make it easier for you to go out. You can also restrict fluid intake at night, which may mean you don’t have to get up so often to urinate.
Jul
14
CAN I STILL HAVE SEX AFTER PROSTATE TROUBLE?
This probably will be the most read chapter in the book, and rightly. The prostate is tightly bound up with a male’s manhood, and how he thinks of himself as a man. That’s why even the mention, let alone the discussion, of the prostate and its troubles, make most men uneasy, nervous and embarrassed. We’ll look at all problems with the prostate and how they may or may not affect a man’s libido, his attitude, his sexual performance and his sexual desires.
PROSTATITIS AND SEX
The first problem many men have with their prostate is prostatitis. Symptoms of this involve lower back pain, pelvic discomfort, a burning in the penis when urinating, urinary frequency and sometimes a slight pain after ejaculation. This form of noninfectious prostatitis may be caused by some infectious agent we know nothing about, or by some noninfectious form of inflammation. On the other hand, it also can be caused by a man’s sexual habits — too much sex or too little. During arousal, a man produces four times the prostatic fluid he usually does. If this fluid is not discharged by ejaculation, it remains in the prostate. If this happens often, the prostate can become seriously congested.
To prevent this problem, a normal, healthy sex life is the best course of action. If this is not possible, a massage of the prostate by a urologist will relieve the congested prostate and eliminate the pain. If that’s not desired, masturbation is a quick solution suggested by many urologists. Too much sex, too quickly, say eight or ten ejaculations in a two day period, can overwork the prostate and again cause problems. On the other hand, abstinence may cause a build up of prostatic fluids and lead to congestion so a massage is needed. Coitus interruptus, simply the removal of the penis before ejaculation, is a method of birth control once practiced by millions. If done often enough, and if it stops the man’s climax, this too, can lead to an oversupply of fluid in the prostate and bring about congestion and its symptoms. If coitus interruptus is used frequently by a couple, the man or woman should continue to excite the penis to a normal ejaculation to prevent buildup problems in the prostate. So for prostatitis, which can strike men of any age, sexual intercourse may be both the cause and the solution.
INFECTIOUS PROSTATITIS
This inflammation of the prostate is caused by some type of infection and can cause fever, chills, nausea and vomiting as well as an urgency to urinate, burning, pain and blood and pus in the urine. It’s more serious than the non-infectious type. There may be serious congestion of the prostate and urologists sometimes use a prostate massage to relieve it. Most urologists feel that sexual activity of any type that leads to ejaculation is the ideal way to empty the prostate and relieve the congestion.
BENIGN PROSTATIC HYPERPLASIA
With the enlargement of the prostate there will be some sexual changes, particularly if there is surgery involved. As you may remember, a man will have a normally enlarging prostate for ten to fifteen years, maybe more, before he notices it. The enlargement itself does little to sexual performance with the exception of a seriously pinched urethra that could reduce the amount and force of an ejaculation. When it comes to needed surgery for BPH, the question of sex becomes more important.
First, there should be no sexual intercourse for six weeks after a normal TURP surgery. This is to allow time for the “canal” dug through the enlarged prostate tissue to heal.
On a standard TU RP operation to remove enlarged prostate tissue, about six percent of all men operated on will become impotent. That means they will not be able to have a normal erection. There are bundles of nerves on each side of the prostate, and some of these control the impulses and nerve responses that combine to produce an erection. If these nerve bundles are damaged in any way, impotence can follow. Remember, this six percent figure may not be totally accurate. The figure is based on subjective information supplied by the patient. It wouldn’t be unusual for a man 68 or 70 or older to claim that he could have an erection before the operation, when in reality he had lost that ability due to natural aging or some other problem. It is a factor to consider. The other change in a man who has had a TURP operation is that the bladder neck may have been damaged or removed during the TURP. The bladder neck is like a “valve” that automatically closes when a man is ejaculating. It prevents the fluids from going upward into the bladder. The urethra muscles then force the fluid out the end of the penis. After a TURP operation, the bladder neck may no longer be there or it may be enlarged to such an extent that the fluids of the ejaculation take the path of least resistance, and flow upward a half inch or so and empty into the bladder. When this happens the man has exactly the same physical sensations that he had when the ejaculate emptied out the end of his penis. The feeling, the motion, the thrill is the same, only the path the fluid takes is different. This retrograde ejaculation is almost a one hundred percent probability in a TURP or open surgery for BPH. It’s simply a fact of life. However, with men who usually are in the operative stage, their age is often in the early to late sixties or later, and the lack of a penile ejaculation does not present much of a problem. This is especially true if the situation is carefully explained to the patient and his wife before the operation.
CANCER OF THE PROSTATE
Stage A and B cancer of the prostate will usually involve a radical prostatectomy, the complete removal of the prostate. This almost always harms the nerve bundles on both sides of the prostate and results in a man being impotent. However new techniques have now been developed to preserve these nerves. Some urologists say that in so doing, they may leave some cancer cells behind after the operation. At this point the cancer is the main concern, the life of the patient, and not his sexual function. The surgeon will try his best to get all of the cancerous growth. The nerve bundles are not a high priority. For the man who might be in his fifties, and is cured of a stage A cancer of the prostate, there are drugs and devices that can help him achieve an erection for satisfying intercourse. The cancer patient who is treated with radiation, internal or external, can usually continue his sex life without any problems. His sexual ability would be the same before or after the radiation with the exception of the normal radiation caused fatigue problems. When used in certain areas, radiation can also cause impotence. For the cancer patient with stage D cancer of the prostate, which is usually not operable, the man’s sex life would be in direct relation to where the cancer was situated and how it affected his ability to perform. At this point the patient is much more interested in extending his life, and not worried about his sexual function.
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14
PROSTATE CANCER WHAT’S THE DIAGNOSTIC SEQUENCE?
July 14, 2009 | Leave a Comment
PROSTATE CANCER: WHAT’S THE DIAGNOSTIC SEQUENCE?
A patient goes to a urologist for many reasons. More and more family physicians are doing rectal digital examinations and when they find a lump or nodule on the prostate refer the patient to a specialist. The urologist will confirm the digital diagnosis and then begin other tests to confirm or deny the first decision. He might do a biopsy of the prostate to test the tissue in the hard nodule. He almost certainly will do an ultrasound test and look at the findings on a sonogram or on a screen. There are also two blood tests he’ll do for further confirmation of a cancerous growth. As we pointed out before, there is no connection between an enlarged prostate and cancer. Usually the cancer does not press in on the urethra so there are none of the usual BPH symptoms which might get a man to go see his doctor. There could be some symptoms a man might feel such as pain in the upper thighs, the pelvis or lower back, serious weight loss and shortness of breath. Symptoms such as these might mean nothing unusual, or be a sign of some other physical problem or disease — or they could be from cancer.
If the pain is related to prostate cancer, it may be a sign that the disease has spread outside of the prostate, and often it is too late to save the patient. That’s why prostate cancer is often called a silent killer and the reason that preventive medicine must be practiced, the digital rectal exam, once a year.
Now, back to those tests to determine if the lump or nodule is cancer of the prostate. The drawing on the following page shows one way that cancer might grow in the prostate. This is viewed from the two lobes of the prostate that can be digitally examined. A biopsy is the use of a needle inserted through the perineum or the rectum to remove a sample of tissue from the suspected nodule. This can be done by feel by the urologist or with the help of ultrasound to locate the specific area.
A biopsy can be done in the doctor’s office or as an outpatient at a hospital and requires a local anesthesia. A relatively new way to take a biopsy is with what is called a “biopsy gun”. It isn’t a real. It’s a biopsy needle that is used through the rectum and guided by ultrasound, but is “fired” in and out so quickly that the patient feels pressure and hears the sound the device makes, but he feels almost no pain. No anethesia is given.
One urologist says he shows the patient the device and the noise it will. During the actual biopsy the patient jumps when he hears the sound, not because of pain. For most the use of the biopsy gun is quick, simple and painless. A lot easier than going to the hospital for a biopsy the old way. And that means it’s less costly as well for the patient. One patient said it was less painful for him than a shot in the arm.
The tissue core taken in the biopsy is evaluated to see if it is cancerous. Another technique known as fine-needle aspiration cytology is often used these days. Here a urologist inserts an extremely fine needle through the rectum and removes cells from the prostate in three, four or five different locations. The technique results in minimum pain for the patient and no anesthesia is required. If the tissue shows evidence of cancerous growth, the urologist usually will do more testing. This is to find out the placement of the cancer and the extent of it. One of these tests is the PSA test, the prostate specific antigen test. If the prostate is producing a higher level of antigen than usual, it is a good indication that cancer is present.
The other test, the PAP, or the prostate acid phosphatase, may reveal if the cancer has spread to other parts of the body. If the PAP is elevated, the urologist will follow up with chest X-rays and X-rays of the pelvic area as well as bone scans and perhaps a CAT scan if equipment is available.
There is another way that many men learn that they have cancer of the prostate. This happens during a routine TURP operation where BPH has resulted in an operation. The scrapings of tissue from the prostate are examined to see if they are benign or cancerous. If the pathologist reports there are some flakes that show cancer, the doctor then does more tests to determine the placement of the tumor, and the chance that he has already removed all of the cancerous tissue.
When cancer is found in this instance, it is usually an early beginning of the disease, and one that was not found, or was not in the right place to be discovered, with the digital exam. Again here more tests would be done and the prostate examined again to determine what procedure might be needed. This would be after the regular BPH surgery, since most evaluations of prostate tissue by a pathologist take two to three days in most areas on a routine basis.
Jul
3
Leukotriene Modifier Montelukast (Singulair)
We used to think Singulair was a very cool drug. It is an oral prescription medicine that blocks the effects of those inflammatory chemicals called leukotrienes. So, it only made sense to us that a drug like Singulair would relieve symptoms. This medication is widely prescribed to ease the breathing problems associated with asthma. Research suggests, however, that Singulair is only modestly effective for alleviating itching, sneezing, congestion, and runny nose. It is roughly comparable to antihistamines such as loratadine (Claritin). One study reported that Singulair, which costs more than $3 per pill, was no more effective than the oral decongestant pseudoephedrine (Sudafed) for relieving typical allergy symptoms. 56 Generic pseudoephedrine is far less expensive than Singulair. It is harder to purchase these days because pharmacists can only dispense it from behind the counter. You don’t need a prescription, but you will have to sign for it. Too many people used pseudoephedrine to make the illegal drug methamphetamine, so states and the federal government cracked down on easy access.
The research demonstrating that pseudoephedrine is quite effective in relieving allergy symptoms has forced us to reevaluate this old and inexpensive vasoconstrictor. It works by shrinking blood vessels in the nose. Perhaps that’s why so many drug companies now add this OTC ingredient to their antihistamines. Whenever you see a D appended to the name of an allergy medicine, you can pretty much assume that there is a decongestant on board, and frequently it is pseudoephedrine. It is found in Allegra-D, Claritin-D, Clarinex-D, Zyrtec-D, and other similar formulations.
Corticosteroid Nasal Sprays
Most allergy experts believe that these steroid sprays are the most effective treatments available and should be the first-line therapy. They are not likely to cause drowsiness or sedation and should be safe for people who must drive or operate machinery.
Side effects: Nasal irritation, stinging, burning, and bleeding. Other adverse reactions may include sore throat (and, rarely, yeast infections), headache, nausea, and cough. Rare adverse reactions may include perforation of the septum, nasal ulcers, reduced growth. rate in children, glaucoma, cataracts, and asthma symptoms.
Downside: These drugs are pricey and may alter the senses of taste and smell.
Cost: Approximately $85 to $95 for brand•name nasal sprays. Generic flunisolide is $35 to $40 per bottle.
O.I would like to point out a side effect of allergy medications that contain pseudoephedrine for nasal decongestion. Taking Claritin-D left me completely unable to fall asleep. I was literally up all night with a racing heartbeat. I have had insomnia problems before, so I did not immediately associate this with the medication and continued to take it for 5 days. I was so sleep deprived that I couldn’t work. I finally read the warning about nervousness, dizziness, or sleeplessness. I called my doctor, who said I should switch to Claritin (non-D). On this drug I sleep like a baby. I found that some OTC allergy medicines I had taken for years also contain pseudoephedrine. I suspect this contributed to my earlier insomnia problems. I urge anyone with insomnia to check all medications for pseudoephedrine. It does not affect everyone, but some of us just can’t handle even a small amount.
A. Millions of people struggle with insomnia and many don’t realize that the medicines they take may be contributing to their problem.
Decongestants aren’t the only culprits. Antihistamines, antidepressants, asthma medicines, blood pressure pills, and pain relievers are some of the drugs that can cause insomnia.
As popular as pseudoephedrine may be, there are some side effects to be alert for. Many people complain of insomnia, anxiety, agitation, headache, nausea, dizziness, and tremor. The most serious adverse reactions are elevated blood pressure and irregular heart rhythms. Men with prostate enlargement must avoid this decongestant because it can make urination much more difficult.
Jul
3
Allergy Medications: Antihistamines
July 3, 2009 | Leave a Comment
Antihistamines
Antihistamines have been the mainstay of allergy treatment for decades. The so-called first-generation drugs like diphenhydramine (Benadryl), brompheniramine (Dimetane, Dimetapp), and chlorpheniramine (Chlor-Trimeton) are linked to drowsiness and cognitive impairment 47 Second-generation antihistamines such as cetirizine (Zyrtec), desloratadine (Clarinex), fexofenadine (Allegra), and loratadine (Claritin) have been promoted as nonsedating. Because they were supposed to be so much safer and better tolerated than the old-fashioned drugs, many came with a very steep price tag ($2 to $3 per pill). But there is growing concern that when given in doses that are adequate to relieve allergy symptoms, even these newer compounds may cause some sedation in some patients and produce mild impairment.48 Researchers now believe that “a clear and consistent distinction between sedating and nonsedating antihistamines does not exist.”‘
What this means is that the allergy victim is truly caught on the horns of a dilemma. Suffering with allergies makes you spacey, sleepy, and irritable and can impair your ability to function. Antihistamines can also cause sedation and impair performance. If such drugs only partially control symptoms (a fairly common situation), then you may end up with the worst
Claritin used to be the most widely prescribed antihistamine on the market. When it lost patent protection, the company took it OTC. Compared to many of the older nonprescription antihistamines, loratadine is probably less likely to cause drowsiness at recommended doses. We have seen no data to suggest that it is less effective than pricier prescription antihistamines.
Side effects: Headache, sleepiness, dry mouth, fatigue, jitteriness, and stomach upset. Liver problems may be a rare adverse reaction. Downside: More expensive than old-fashioned antihistamines. Insurance companies may deny you affordable access to drugs like Allegra now that loratadine is available OTC. Loratadine may cause sedation and impair driving in susceptible people. Do not assume you are safe behind the wheel. Cost: Approximately $5 to $10 for a month’s supply when purchased generically in bulk. The brand-name Claritin can cost two to four times that much.
In such a confusing situation, we would normally suggest that the allergy sufferer experiment with a variety of antihistamines to try and determine which one works best and is least troublesome in terms of side effects. The difficulty is that people are notoriously bad at assessing their level of impairment. There is a warning on the label of Benadryl and many other OTC allergy medicines reminding users that “marked drowsiness may occur” and urging them to “be careful when driving a motor vehicle or operating machinery.” Such cautions are as meaningless as telling a drunk to be careful behind the wheel. In fact, researchers have reported that diphenhydramine”had a greater impact on driving than alcohol did. These scientists discovered that “drowsiness ratings were not a good predictor of impairment, suggesting that drivers cannot use drowsiness to indicate when they should not drive.”
By the way, did you know that you could be arrested for driving while impaired after taking an OTC allergy pill? If your driving skills are not up to par, an officer can give you a ticket even though you have no alcohol in your system.
So, dear reader, we have no easy answers. We would like to say, if you have allergies, do not drive, especially if you are taking antihistamines. That would be the only prudent thing. We know that some people will disobey such a suggestion, however. Some experts believe that fexofenadine (Allegra) may be one of the least sedating and safer antihistamines to take if you must drive. Others point out that even this non-sedating antihistamine may pose problems at higher doses. If driving or operating machinery is essential or if you must make important decisions, we encourage you to look for other options besides oral antihistamines.
There is now a prescription antihistamine nasal spray called azelastine (Astelin). It is fairly fast acting but has the disadvantage of requiring twice-daily nasal spritzing. Some data suggest it may be as effective as oral antihistamines. Side effects may include a bitter taste in the mouth (20 percent of patients), headache, drowsiness (11 percent of patients), nasal burning or inflammation, sore throat, dry mouth, sneezing, fatigue, and dizziness. A 1 -ounce bottle can cost $75 to $85. Not exactly a perfect solution to the problem, eh?
Jul
3
Allergy: Butterbur (Petasites hybridus)
July 3, 2009 | Leave a Comment
Butterbur (Petasites hybridus)
Another interesting allergy treatment involves the herb butter-bur. This botanical medicine has been used to treat symptoms of migraine headaches, asthma, and allergy. It has anti-inflammatory activity and blocks the formation of compounds called leukotrienes (pronounced lew-co-TRY-eens). These rascals cause all sorts of mischief in the nose, including itching, sneezing, swelling, and congestion. In some respects, leukotrienes may be even more of a problem than histamine. Leukotrienes contribute to the inflammatory cascade that underlies both allergy and asthma. The prescription asthma and allergy drug Singulair (montelukast) also works by inhibiting leukotriene formation. Swiss researchers compared butterbur with the antihistamine cetirizine (Zyrtec) in a randomized, double-blind study. They found that both products were equally effective at controlling symptoms, but butterbur was significantly less sedating than Zyrtec.
Q. I have suffered from chronic sinusitis, which in turn led to bronchitis and frequently into pneumonia. My physician put me on Allegra and then switched me to Clarinex.
I continued to have sinusitis and pneumonia annually for 5 years, so my doctor sent me to an allergist. He diagnosed several allergies and added a prescription for Nasacort to the Clarinex.
Two years ago, having suffered through another bout of sinusitis and pneumonia, I saw an integrative alternative medicine physician. He took me off Clarinex and prescribed butterbur, stinging nettles, and quercitin instead. I’ve taken this combination for 2 years and it has reduced the frequency of the sinusitis.I read that I should take butterbur only 6 weeks a year. Now I am concerned about the danger of liver damage.
A. Pharmacologist David Kroll, PhD, offered this clarification on butterbur. “I wanted to follow up on a reader who wrote to your newspaper column regarding the potential liver toxicity of butterbur (Petasites hybridus), an herb that’s become popular due to positive efficacy trials in migraine prevention and allergic rhinitis. While the herb is potentially toxic to the liver, it shouldn’t be a problem with high-quality products like Petadolex. I do-fear that some less honorable companies may latch onto this herb and not take such care with the high-tech extraction process that is necessary to reduce the risk. That might lead to some major liver injury cases.”
There is one fly in the ointment, however. Concerns have been raised about potential liver toxicity associated with compounds in butterbur. If the herbal preparation is not manufactured under very stringent quality-control conditions, there could be problems. As a result, we suggest that people use butterbur only temporarily (say, for 6 weeks during hay fever season) and that they monitor their liver enzyme activity with medical supervision. One product that should be safe is Petadolex. The German manufacturer is Weber and Weber, and it is available in the United States.
Jul
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Allergy: Diagnosis and FAQs
July 3, 2009 | Leave a Comment
ALLERGIES
• Install an Aprilaire HEPA-type air filter
• Use a high-quality vacuum cleaner (Miele)
• Rinse your nasal passages with saltwater
• Try vitamin C
• Experiment with the herbs stinging nettle and butterbur
• Try Nasal Crom (cromolyn) spray to prevent allergy symptoms
• Look for loratadine, an over-the-counter antihistamine
• Ask your doctor about a steroid nasal spray
• Consider pseudoephedrine for symptomatic relief
Breathing is basic. Most of the time we take it for granted. But if your nose is congested and your sinuses are stopped up, you are miserable. For one thing, your head feels as if it’s full of cotton. Studies have found that people suffering from allergies frequently experience sleep difficulties, fatigue, poor concentration, drowsiness, irritability, delayed reaction times, memory problems, and cognitive impairment. When you are in the middle of an allergy attack it is hard to drive safely even if you are not sneezing. Making decisions or operating other kinds of machinery can also be problematic.
Paradoxically, although antihistamines are the mainstay of allergy treatment, they can also cause drowsiness, delayed reaction times, sedation, and cognitive impairment. Even the so-called second-generation nonsedating antihistamines that are so heavily advertised to consumers may not be as benign as drug companies would have you believe. When given in doses that are adequate to relieve symptoms, some of these nonsedating antihistamines may also make people drowsy and impair performance.
Research has shown that driving skills are affected with both the older and the newer antihistamines. A massive study conducted for the National Highway Traffic Safety Administration discovered that driving while drowsy—no matter what the cause—increased the risk of a crash or near crash by four to six times.
Physicians often think of allergies as more of a nuisance than a life-threatening condition. But we now realize that impairment poses huge risks if people are driving. And allergy symptoms don’t just occur in the spring and fall, when pollen is in the air. Nowadays many folks are congested all year long. At last count, 50 million people are sensitive to things like dust mites, cat dander, cockroaches, mold spores, and pollens from oak, elm, and maple trees as well as ragweed and rye, blue,and Bermuda grasses.24 Symptoms include nasal stuffiness, runny nose, itching, sneezing, and coughing. Chronic sinusitis, which may develop as a consequence of allergies, affects more than 30 million people. And asthma, which can be life threatening, often has an allergic and inflammatory component.
What is so scary about these statistics is that they keep going up. No one knows why, but it appears that more people are suffering than ever before.
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Conclusions
Allergies don’t get the respect they deserve. When you complain about your congestion, most friends and family members will barely sympathize. But allergies can slow you down and make you dangerous behind the wheel. Finding the right treatment to ease your symptoms without causing worse problems is a challenge. Combining several options, including environmental control, may be the most effective solution for solving this common problem.
• Use a HEPA-type air filter and a dehumidifier to remove allergens from the air you breathe and make the environment inhospitable for the three Ms of allergy—mold, mildew, and mites.
• Get a high-quality vacuum cleaner that won’t spew dust and dirt back into the air. Miele models rank high on our list.
• Wash your nasal passages with saline. A neti pot will help.
• Consider an herbal approach such as stinging nettle (Urtica dioica) or butterbur (Petasites hybridus). Men with prostate enlargement may find nettles especially helpful since some OTC allergy medicines may make this condition worse.
• The natural products quercetin and bromelain may help stabilize mast cells and prevent histamine release.
• Cromolyn (NasalCrom) is an OTC remedy that also stabilizes mast cells. It should be used preventively before exposure to allergens occurs. Cromolyn does not cause drowsiness.
• Oral antihistamines can control symptoms, but they may also make you dangerous on the highways. Even nonsedating products may interfere with driving ability. Generic loratadine (Claritin) is now available without a prescription.
• Among prescription allergy medicines, steroid nasal sprays offer the most effective symptom relief with a minimum of side effects. The cost is significant, since they are available only by prescription. One generic variety (flunisolide) is less expensive than brand-name products like Flonase and Rhinocort AQ.
• Pseudoephedrine can be surprisingly effective at controlling allergy symptoms. Beware of side effects such as insomnia, nervousness, high blood pressure, and irregular heart rhythms.