Jul
17
Celebrex (Celecoxib)
July 17, 2011 | Leave a Comment
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15
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Jul
10
Vermox (Mebendazole)
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Aug
12
Dimenhydrinate - Diphenhydramine Hydrochloride - Disopyramide - Dofetilide
August 12, 2009 | Leave a Comment
Generic Name
Dimenhydrinate (dye-men-HYE-drih-nate) A
Brand Names
Calm-X Dramamine
Dimetabs Triptone
The information in this profile also applies to the following drugs: Generic Ingredient: Meclizine 91
Antivert Bonine
An tOmA 2S Meni-D
Antivert 50 Ru-Vert-M Antrizine
Type of Drug
Antihistamine and antiemetic (an agent that prevents or relieves nausea and vomiting).
Prescribed For
Nausea, vomiting, vertigo, and dizziness associated with motion
sickness.
General Information
Dimenhydrinate, which depresses middle ear function, is a mixture of diphenhydramine—an antihistamine believed to be the active ingredient—and another ingredient. Meclizine is an antihistamine. It takes a little longer to start working than dimenhydrinate, but its effects last much longer. Meclizine does a better job of preventing motion sickness than treating its symptoms. It takes 30 minutes to 1 hour to work and lasts for 12-24 hours.
Cautions and Warnings
Do not take dimenhydrinate if you are allergic or sensitive to any of its ingredients. Newborn babies should not be given this drug.
People with a prostate condition, stomach ulcer, intestinal obstruction, bladder problems, difficulty urinating, glaucoma, asthma, or abnormal heart rhythms should use dimenhydrinate only while under a doctor’s care.
Because it controls nausea and vomiting, dimenhydrinate may hide the symptoms of appendicitis or overdoses of other drugs.
Possible Side Effects
✓ Most common: drowsiness.
♦ Less common: confusion; nervousness; excitation; restlessness; headache; sleeplessness, especially in children; tingling; heavy or weak hands; fainting; dizziness; tiredness; rapid heartbeat; low blood pressure; heart palpitations; blurred or double vision; difficult or painful urination; increased sensitivity to the sun; appetite loss; nausea; vomiting; diarrhea; upset stomach; constipation; nightmares; rash; drug reaction (symptoms include rash, itching, hives, and breathing difficulties); ringing or buzzing in the ears-, dry mouth, nose, or throat; stuffy nose-, wheezing: and increased chest phlegm OT chest tightness.
Drug Interactions
• This drug should not be taken with a monoamine oxidase inhibitor antidepressant.
• Taking dimenhydrinate with an alcoholic beverage, other antihistamine, sedative, or other central-nervous-system (CNS)
depressant may cause excessive dizziness, drowsiness, or other signs of depression.
• Side effects of anticholinergics may be increased when taken with dimenhydrinate.
• Combining dimenhydrinate and certain antibiotics that cause dizziness or other ear-related side effects may mask early signs of these side effects, especially in infants and children.
Food Interactions
Take dimenhydrinate with food or milk if it upsets your stomach.
Usual Dose
Dimenhydrinate
Adult and Child (age 13 and over): 50-100 mg-1 or 2 tablets or 4-8 tsp.-30 minutes prior to travel; then every 4-6 hours; do not take more than 400 mg a day.
Child (age 6-12): 25-50 mg-1/2 or 1 tablet or 2-4 tsp.—every 6-43 hours; do not take more than 150 mg a day.
Child (age 2-5): up to 25 mg-1/2 or 1 tablet or 2 tsp.-every 6-8 hours; do not take more than 75 mg a day.
Child (under age 2): Consult your doctor.
Meclizine
Adult and Child (age 13 and over): 25-50 mg 1 hour before travel; repeat every 24 hours for duration of journey. Up to 100 mg a day in divided doses may be needed to control dizziness from other causes.
Child: not recommended.
Overdosage
Symptoms of overdose include drowsiness, clumsiness, unsteadiness, feeling faint, facial flushing, and dry mouth, nose, or throat. Convulsions, coma, and breathing difficulties may also develop. Overdose victims should be taken to a hospital emergency room for treatment. ALWAYS bring the prescription bottle or container.
Special Information
N1 Maximum effectiveness against motion sickness, take dimenhydrinate 1-2 hours before traveling; it may still be effective if taken 30 minutes before traveling.
This drug may cause drowsiness: Be extremely cautious when driving, operating hazardous machinery, or doing anything that requires concentration.
Dimenhydrinate may cause dry mouth, nose, or throat. Sugarless candy, gum, or ice chips can usually relieve these symptoms. Constant dry mouth may increase the likelihood of developing tooth decay or gum disease. Pay special attention to oral hygiene while you are taking dimenhydrinate, and contact your doctor if dry mouth lasts more than 2 weeks.
If you forget to take a dose of dimenhydrinate, 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: Animal studies suggest that meclizine may cause birth defects. Do not take any antihistamine without your doctor’s knowledge if you are or might be pregnant —especially during the last 3 months of pregnancy, because newborns may have severe reactions to antihistamines.
Small amounts of dimenhydrinate may pass into breast milk. Dimenhydrinate may also slow milk production. Nursing mothers who must take dimenhydrinate should use infant formula.
Seniors: Seniors are more sensitive to antihistamine side effects and should take the lowest effective dose.
Generic Name
Diphenhydramine Hydrochloride
(dye-fen-HYE-druh-mene hye-droe-KLOR-ide) 91
Brand Names
40 Winks
AllerM,ly,
AllerMax Maximum Strength Altaryl Children’s Allergy Banophen
Banophen Allergy
Benadryl Allergy
Benadryl Children’s Allergy* Benadryl Children’s Dye Free Benadryl Dye Free Allergy
Liquid Gels
Children’s Pediacare Nighttime Cough’
Compoz Gel Caps
Compoz Nighttime Sleep Aid Diphen AF
Diphenhist
Dormin
Dytuss
Genahist
Midol PM
Miles Nervine
Nytol Quick Caps
Nytol Quick Gels Maximum Strength
Scot-Tussin Allergy*
Siladryl
Simply Sleep
Sleep-Eze 3
Sleepinol Maximum Strength Sleepwell 2-Nice
Snoozefast
Sominex Original Formula Sylphen Cough
TheraFlu Thin Strips Multi Symptom
Triaminic Thin Strips Cough and Runny Nose
Tusstat
Unisom
‘Some products in this brand-name group are alcohol- or sugar-free.
Type of Drug Antihistamine.
Prescribed For
Stuffy and runny nose, itchy eyes, and scratchy throat caused by seasonal allergy and for other symptoms of allergy such as itching, rash, and hives; also prescribed for motion sickness, insomnia, and Parkinson’s disease.
General Information
Antihistamines generally work by blocking the release of histamine (a chemical released by body tissue during an allergic reaction), drying the nose, throat, and eye secretions. Diphenhydramine is the most common active ingredient found in nonprescription sleep aids.
Cautions and Warnings
This drug should not be used if you are allergic or sensitive to any of its ingredients. It should be avoided or used wilt extreme care if you have narrow-angle glaucoma, stomach ulcer, intestinal abslmcfion, other stomach problems, difficulty urinating, or enlarged prostate. It should not be used by people who have sleep apnea or deep-breathing problems such as asthma. Use with care if you have a history of thyroid disease, heart disease, emphysema, chronic bronchitis, or high blood pressure.
Drug Interactions
• This drug should not be taken with a monoamine oxidase inhibitor antidepressant.
• The effects of sedatives, sleeping medications, and other central-nervous-system (CNS) depressants will be intensified when combined with diphenhydramine hydrochloride; it is extremely important that doses of these drugs are properly adjusted.
• This drug increases the intoxicating and sedating effects of alcohol.
Food Interactions
Take this drug with food if it upsets your stomach.
Usual Dose
Allergy
Adult: 25-50 mg 3-4 times a day.
Child (over 20 tbs.): 12.5-25 mg 3-4 times a day.
Nighttime Sedation
Adult and Child (age 12 and over): 25-50 mg at bedtime.
couqh. SIN%
Adult and Child (age 12 and over): 25 mg every 4 hours; do not take more than 150 mg in 24 hours.
Child (age 6-12): 12.5 mg every 4 hours; do not take more than 75 mg in 24 hours.
mouth, and weakness.
g, rash, sensitivity to bright light, per-
s, lowering of blood pressure, head-
t, sleeplessness, dizziness, disturbed sion, restlessness, nervousness, irri- eling “high”), tingling and weakness of lurred or double vision, ringing in the , appetite loss, nausea, vomiting, con- urinary difficulties, thickening of lung s of the chest, wheezing, nasal stuffi-
h, nose, or throat.
Possible Side Effects
✓ Common: drowsiness
✓ Less common: itching
• fever, chills
• rapid heartbeat
confusion
euphoria (feelin
hands or feet, blurre
• upset stomach
• diarrhea, secretions, tightnes
• and dry
Child (age 2-6): 6.25 mg every 4 hours; do not take more than
25 mg in 24 hours.
Child (under age 2): not recommended.
Thin Strips
TheraFlu
Adult and Child (age 12 and over): 1 strip every 4 hours; do not take more than 6 strips in 24 hours.
Triaminic
Child (age 6-12): 1 strip every 4 hours; do not take more than 6 strips in 24 hours.
Overdosage
Symptoms of overdose include depression or stimulation—especially in children; dry mouth; fixed or dilated pupils; flushing; and upset stomach. Overdose victims should be made to vomit with ipecac syrup—available at any pharmacy. Take the overdose victim to a hospital emergency room immediately if you cannot induce vomiting. ALWAYS bring the prescription bottle or container.
Special Information
This drug may cause drowsiness. Be extremely cautious when driving or operating hazardous equipment.
If you are taking this medication for motion sickness, take the first dose at least 30 minutes prior to exposure.
If you forget to take a dose of diphenhydramine hydrochloride, 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: Animal studies have shown that some antihistamines may cause birth defects. Do not take any antihistamine without your doctor’s knowledge if you are or might be pregnant—especially during the last 3 miDMIns of pregnancy—because newborns may have severe reactions to antihistamines.
SMM) amounts of antihistamine pass into breast milk. Nursing mothers who must take this drug should use infant formula.
Seniors: Seniors are more sensitive to antihistamine side effects and may require lower dosages.
Generic Name
Disopyramide (die-soe-PIE-rah-mide) 92
Brand Names Norpace
Type of Drug Antiarrhythmic.
Prescribed For Abnormal heart rhythms.
General Information
Disopyramide phosphate slows the rate at which nerve impulses are carried through heart muscle, reducing the response of heart muscle to those impulses. It acts on the heart similarly to the more widely used antiarrhythmic medications procainamide hydrochloride and quinidine sulfate. Disopyramide is often prescribed for people who do not respond to other antiarrhythmic drugs.
Cautions and Warnings
Do not take disopyramide if you are allergic or sensitive to any of its ingredients or if you have heart block, unless you have a cardiac pacemaker.
This drug can worsen heart failure or trigger severely low blood pressure. It should be used in combination with another antiarrhythmic agent or beta blocker with caution.
In rare instances, disopyramide has caused a reduction in blood-sugar levels. Therefore, the drug should be used with caution by diabetics, older adults—who are more susceptible to this effect—and people with poor kidney or liver function. Ask your doctor if you should have your blood-sugar levels checked while taking this drug.
Because of its anticholinergic effects, men with a severe prostate condition and people who have glaucoma, myasthenia gravis, or severe difficulty uritx;aA:jng should use disopyramide with caution.
People with liver or kidney disease must take a reduced dose of disopyramide.
Potassium levels affect the action of disopyramide. People with blood potassium levels that are out of the normal range must correct this imbalance before starting disopyramide.
Norpace CR
Possible Side Effects
♦ Most common: dry mouth, urinary difficulty, and constipation.
♦ Common: blurred vision; dry eyes, nose, and throat; frequent urination; nausea; stomach pain or bloating; gas; dizziness; fatigue; headache; and nervousness.
♦ Less common: itching, rashes, muscle weakness, generalized aches and pains, not feeling well, low blood-potassium levels, increases in blood-cholesterol and triglyceride levels, heart failure, and low blood pressure.
♦ Rare: Rare side effects can occur in almost any part of the body. Contact your doctor if you experience any side effect not listed above.
Drug Interactions
• Phenytoin and rifarnpin may increase the rate at which the body removes disopyramide from the blood. Your disopyramide dose may need alteration if this combination is used. Other drugs known to increase drug breakdown by the liver, such as barbiturates and primidone, may also have this effect.
• Other antiarrhythmic drugs, such as procainamide and quinidine, may increase the effect of disopyramide, making dosage reduction necessary. At the same time, disopyramide may reduce the effectiveness of quinidine.
• When disopyramide is combined with a beta-blocking drug, increased disopyramide effects, additive effects, or depression of heart function may result.
• Azole antifungals, clarithromycin, diclofenac, doxycycline, erythromycin, imatinib, isoniazid, nefazodone, nicardipine, propofol, protease inhibitors, telithromycin, and verapamil may increase the amount of disopyramide in your blood, causing abnormal heart rhythms or other cardiac effects.
• Disopyramide may reduce the effectiveness of oral anticoagulant (blood-thinning) drugs. Your doctor should check your anticoagulant dosage to be sure you are getting the right amount.
• Hydantoins may cause a decrease in the effectiveness of disopyramide.• Disopyramide may increase the amount of digoxin in your blood, though the amount of the increase is not likely to af-
fect your heart.
• St. John’s wort may decrease disopyramide levels.
Food Interactions
Disopyramide should be taken on an empty stomach at least 1
hour before or 2 hours after meals. Usual Dose
Adult: 400-800 mg a day (divided into 2 or 4 doses for the immediate-release form). In severe cases, 400 mg every 6 hours may be required. This level of dosage should be monitored in the hospital. The sustained-release preparation is taken every 12 hours. People with reduced kidney function should receive a lower dosage, depending on the degree of kidney function present. People with liver failure should take 400 mg a day.
Child (age 13-18): 2.5-7 mg a day per lb. of body weight. Child (age 5-12): 4.5-7 mg a day per lb. of body weight. Child (age 1-4): 4.5-9 mg a day per lb. of body weight.
Child (under age 1): 4.5-13.5 mg a day per lb. of body weight.
Overdosage
Overdose symptoms are breathing difficulties, abnormal heart rhythms, and unconsciousness. In severe cases, overdosage can lead to death. Overdose victims should be made to vomit with ipecac syrup—available at any pharmacy—to remove any remaining drug from the stomach. Call your doctor or poison control center before doing this. If you must go to a hospital emergency room, ALWAYS bring the prescription bottle or container. Prompt and vigorous treatment can mean the difference between life and death in severe overdosage.
Special Information
Disopyramide may cause symptoms of low blood sugar: anxiety, chills, cold sweats, drowsiness, excessive hunger, nausea, nervousness, rapid pulse, shakiness, uaus~M% weakness, tiredness, or cool, pale skim If kNSN)appens to you, eat some chocolate, candy, U rilher high-sugar food, and call your doctor at once.
Disopyramide can cause dry mouth, urinary difficulty, constipation, or blurred vision. Call your doctor if these symptoms become severe or intolerable, but do not stop taking the medication without your doctor’s approval.
If disopyramide is required for a child and capsules are not appropriate, your pharmacist can make a liquid product. Do not do this at home: This medication requires special preparation. The liquid should be refrigerated and protected from light and should be thrown away after 30 days.
Do not crush, chew, or open sustained-release capsules.
If you forget to take a dose of disopyramide, take it as soon as possible. However, if it is within 4 hours of your next dose, skip the dose you forgot and go back to your regular schedule. Do not take a double dose.
Special Populations
PregnancylBreast-feeding: Do not take this drug if you are pregnant or planning to become pregnant while using it, because it will pass into the fetus and may affect its development. When disopyramide is considered crucial by your doctor, its potential benefits must carefully be weighed against its risks.
Disopyramide passes into breast milk. Nursing mothers who must take this drug should use infant formula.
Seniors: Seniors, especially those with liver or kidney disease, are more sensitive to the effects of this drug.
Generic Name
Dofetilide (DOH-fet-a-lyed)
Brand Name Tikosyn
Type of Drug Antiarrhythmic.
Prescribed For
Specific abnormal heart rhythms.
General Information
Dofetilide is used to establish and maintain normal sinus rhythm in the heart. Dofetilide is available only to hospitals and doctors who receive specific training and education on how to use this drug because of the risks associated with using it.
Cautions and Warnings
Do not take dofetilide if you are allergic or sensitive to any of its ingredients.
Dofetilide is reserved for people whose abnormal heart rhythms have not responded to other drugs. People taking dofetilide must be in a hospital or other facility for at least 3 days where appropriate blood tests can be performed to monitor kidney and heart function.
This drug is cleared through the kidneys. Poor kidney function increases the amount of dofetilide in the body. Liver disease has no effect on dofetilide blood levels.
Dofetilide, like other antiarrhythmic drugs, can cause severe and sometimes fatal abnormal rhythms of its own.
Do not take dofetilide without first talking to your doctor if you have a low blood level of potassium or magnesium.
Women may be at a greater risk for some arrhythmias caused by dofetilide.
Possible Side Effects
Serious heart arrhythmias can develop in up to 31b% of patients taking up to 1000 mcg a day of dofetilide. People taking daily doses above 1000 mcg a day are at up to 5 times greater risk for arrhythmias.
• Most common: headache, chest pain, and respiratory infection.
♦ Common: difficulty breathing, nausea, and dizziness.
♦ Less common: flu; sleeplessness; accidental injury; back pain; diarrhea; abdominal pain; angina; anxiety: joint pain; weakness; atrial and ventricular arrhythmia; high blood pressure; pain; heart palpitations; swollen legs, ankles, or arms; sweating; and urinary infections.
♦ Rare: some arrhythmias, heart attack, hives, slow heartbeat, stroke, facial or other paralysis, tingling in the hands or feet, cough, liver damage, migraine, fainting, and sudden death. Contact your doctor if you experience any side effect not listed above.
‘D?Ug Interactions
Dofetilide should not be given with drugs that are known to interact with it. Dofetilide must be stopped at least 2 days before any potentially interacting drug is taken.
• Do not mix dofetilide with any product containing verapamil, a calcium channel blocker, or trimethoprim, used for urinary infections. These combinations can substantially raise the amount of dofetilide in the blood.
• Some drugs may increase the amount of dofetilide in the blood by inhibiting enzymes that break it down in the liver. They include delavirdine, indinavir, btonavir, saquinavir, amiodarone, cimetidine, ciprofloxacin, clarithromycin, cannabis, diltiazem, erythromycin, fluconazole, fluvoxamine, itraconazole, ketoconazole, mifepristone, nefazodone, norfloxacin, mibefradil, selective serotonin reuptake inhibitors (SSRIS), troleandomycin, and zatirlukast.
• Some drugs may reduce the amount of dofetilide in the blood by stimulating enzymes that break it down in the liver, including efavirenz, nevirapine, carbamazepine, corticosteroids, modafanil, phenobarbital and other barbiturates, phenytoin, pioglitazone, and rifampin. Amiloride, metformin, megestrol, and triamterene can interfere with the elimination of dofetilide via the kidney, raising blood levels of the drug.
• Other drugs that can increase the effects of dofetilide are Other antiarrhythmic drugs, bepridil, phenothiazines, and tricyclic antidepressants.
• Mixing dofetilide with digoxin may lead to a ventricular arrhythmia called torsade de pointes. Thiazides, furosemide, and other potassium-depleting diuretics can also increase the risk of this arrhythmia.
Food Interactions
Grapefruit juice may increase dofetilide blood levels.
Usual Dose
Adult: 125-500 mcg twice a day.
Child (under 18 years): not recommended.
Overdosage
Dofetilide overdose is likely to cause significant heart rhythm problems. Overdose victims must be treated symptomatically by their cardiologist.
Special Information
Read all information supplied to you before you begin taking this medication and read it again if anything in your treatment program changes.
Tell your doctor about any changes in your prescription or nonprescription drug use or in your use of vitamins, minerals, and other dietary supplement products.
Be sure that any other doctor or hospital that treats you and might prescribe another drug knows you are taking dofetilide.
Call your doctor at once if you develop any signs of altered electrolyte balance including excessive or prolonged diarrhea, sweating, vomiting, appetite changes, or excessive thirst.
If you forget to take a dose, take it as soon as you remember. If it is almost time for your next dose, skip the dose you forgot and continue with your regular schedule. Do not take a double dose.
Special Populations
Pregnancy/Breast-feeding: Dofetilide causes birth defects in animal studies. Pregnant women should take this drug only after discussing with their doctors its potential benefits and risks.
It is unknown whether dofetilide passes into breast milk. Nursing mothers who take it should consider using infant formula.
Seniors: Older adults may take this drug without special restriction.
Jul
16
Aliskiren
July 16, 2009 | Leave a Comment
Generic Name
Aliskiren (ah-LISS-kih-ren)
Brand Name Tekturna
Combination Product
Generic Ingredients: Aliskiren + Hydrochlorothiazide Tekturna HCT
Type of Drug
Direct renin inhibitor. Prescribed For
High blood pressure.
General Information
Renin is produced by the kidney in response to a reduction in blood volume and the amount of blood passing through the kidney. Once in the blood, renin reacts with other hormones to forma very powerful blood vessel constrictor called angiotensin E that directly raises blood pressure. Renin also works with a hormore called aldosterone to raise blood pressure and it prevents sodium from being eliminated from the body. This increases the amount of water in the system, raising blood volume and increasing blood pressure. Aliskiren inhibits renin and all of its actions, thereby !owering blood pressure. The blood pressure lowering is usually seen with 2 weeks of starting on treatment. When aliskiren treatment is stopped, blood pressure gradually rises to pre-treatment levels. Only about 21/2% of any dose is absorbed into the blood and it takes about a week to reach a steady level in the blood. Most of the drug that is absorbed is broken down in the liver. The rest passes out of the body unchanged in the urine. Aliskiren may be used alone or with other hypertensives, however its use with maximum doses of an ACE inhibitor has not been adequately studied.
Cautions and Warnings
Do not take aliskiren if you are allergic or sensitive to any of its ingredients.
Angioedema swelling of the face, hands or feet, tongue, or throat can occur at any time during aliskiren treatment. If this happens, stop taking the medicine and go to your doctor’s office or a hospital emergency room for treatment. This reaction can interfere with your breathing.
The safety of aliskiren in people with moderate to severe kidney disease is not known.
The combination of aliskiren and an ACE inhibitor can lead to high blood levels of potassium.
Aliskiren may be less effective in some black patients with high blood pressure, especially when dietary salt intake is high. Nevertheless, it should still be considered a useful blood pressure treatment.
Possible Side Effects
✓ Common: nausea, dizziness, and sleeplessness.
✓ Less common: diarrhea, abdominal pain, upset stomach, GERD, cough, rash high blood uric acid levels, gout, kidney stones, headache, nose and throat irritation, fatigue, upper respiratory infection, and back pain.
✓ Rare: difficulty breathing; swelling of the hands, face, eyes, or whole body; and seizures. Contact your doctor if you experience any side effect not listed above.
Drug Interactions
• Mixing aliskiren with irbesartan can reduce the amount of aliskiren into the blood by 50%. This may reduce the effectiveness of aliskiren.
• Aliskiren has been studied together with both hydrochlorothiazide and valsartan and can be combined with them in blood pressure management. It has been used with amlodipine but may not be better than high dose amlodipine alone.
• Aliskiren’s interaction with ACE inhibitors is not yet fully known.
• Atorvastatin and ketoconazole slow the breakdown of aliskiren, resulting in an increase of aliskiren blood levels by 50% or more. Dosage adjustment may be necessary.
Aliskiren can reduce blood levels of the diuretic furosemide, reducing the diuretic’s effect.
Food Interactions
Aliskiren can be taken without regard to food or meals. Avoid taking it with high fat meals because they can drastically reduce the amount of aliskiren absorbed into the blood.
Usual Dose
Adult (age 18 and over)
Tekturna: 50-300 mg at the same time every day. Tekturna HCT. 1 tablet a day.
Child: not recommended. Overdosage
The most likely symptom of overdose is low blood pressure (symptoms include dizziness and fainting). If you think you have taken an overdose, call your doctor or go to a hospital emergency room. ALWAYS bring the prescription bottle or container.
Special Information
Call your doctor at once if you develop swelling of the face, eyes, lips, tongue, or throat; difficulty swallowing or breathing; hoarseness; or other signs of a drug reaction or allergy.
If you forget a dose, take it as soon as you remember. If you do not remember until it is almost time for your next dose, skip the dose you forgot and continue with your regular schedule. Do not take a double dose.
Special Populations
Pregnancy/Breast-feeding: Aliskiren can injure or kill a developing fetus. Pregnant women should not take aliskiren. Women who suspect they are pregnant must call their doctor at once and stop taking aliskiren when pregnancy is confirmed. In those rare cases where aliskiren is considered life-saving for the mother and there is no substitute for aliskiren, your doctor may advise that you continue on the medicine and then check your baby’s development with periodic ultrasound examinations.
It is not known if this drug passes into breast milk. Nursing mothers should use infant formula.
Seniors: Seniors may have higher blood levels of aliskiren and be more susceptible to drug side effects, but starting dose adjustment is not required.
Jul
16
Acebutolol
July 16, 2009 | Leave a Comment
Generic Name
Acebutolol (ah-seh-BUTE-uh-lol) 91
Brand Name Sectral
Type of Drug
Beta-adrenergic blocking agent. Prescribed For
High blood pressure and abnormal heart rhythms.
General Information
Acebutolol hydrochloride is one of many beta-adrenergic blocking drugs, or beta blockers. These drugs interfere with the action of adrenaline and other chemicals in the body that affect many body functions. Individual beta blockers have different characteristics that can make them more suitable for certain conditions or people.
Cautions and Warnings
Do not take acebutolol if you are allergic or sensitive to any of its ingredients or to beta blockers.
You should be cautious about taking acebutolol if you have asthma, severe heart failure, a very slow heart rate, or heart block (disruption of the electrical impulses that control heart rate) because the drug may worsen these conditions.
People with angina taking acebutolol for high blood pressure risk aggravating their angina if they suddenly stop taking the drug. These patients should have their acebutolol dosage reduced gradually over 1-2 weeks.
Acebutolol should be used with caution if you have liver or kidney disease because your ability to eliminate this drug from your body may be impaired.
Acebutolol reduces the amount of blood pumped by the heart with each beat. This reduction in blood flow may aggravate the condition of people with poor circulation or circulatory disease.
If you are undergoing major surgery, your doctor may want you to stop taking acebutolol at least 2 days before surgery.
People with a history of severe anaphylactic reaction to alergens may be unresponsive to usual doses of epinephrine while taking beta blockers.
Possible Side Effects
Side effects are relatively uncommon and usually mild; normally they develop early in the course of treatment and are rarely a reason to stop taking acebutolol.
✓ Most common: fatigue.
✓ Common: dizziness and headache.
✓ Less common: chest pain, swelling in the legs or arms, depression, sleeplessness, abnormal dreams, rashes, constipation, diarrhea, upset stomach, stomach gas, nausea, frequent urination, back pain, joint and muscle pain, difficulty breathing, stuffy nose, and vision changes.
♦ Rare: cough, low blood pressure, slow heart beat, anxiety, impotence, changes in response to touch stimulation, itching, vomiting, abdominal pain, painful urination, nighttime urination, liver changes, sore throat, wheezing, eye irritation, pain or dry eye, and lupus erythematosus (extremely rare). Contact your doctor if you experience any side effect not listed above.
Drug Interactions
• Acebutolol may interact with surgical anesthetics to increase the risk of heart problems during surgery. Some anesthesiologists recommend gradually stopping the drug by 2 days before surgery.
• Acebutolol may interfere with the normal signs of low blood sugar and with the action of oral antidiabetes drugs.
• Acebutolol increases the blood-pressure-lowering effects of other blood-pressure-reducing agents, including clonidine, guanabenz, and reserpine, and calcium channel blockers such as nifedipine.
• Aspirin-containing drugs, nonsteroidal anti-inflammatory drugs (NSAIDS), and sulfinpyrazone may interfere with the blood-pressure-lowering effect of acebutolol.
• Cocaine may reduce the effectiveness of all beta blockers.
• Acebutolol may worsen the problem of cold hands and feet associated with ergot alkaloids, used to treat migraine. Gangrene is a possibility in people taking both an ergot and acebutolol.
• Acebutolol will counteract thyroid hormone replacements.
• Calcium channel blockers, flecainide, hydralazine, contraceptive drugs, cimetidine, propafenone, haloperidol, phenothiazine sedatives (molindone and others), quinolone antibacterials, and quinidine may increase the amount of acebutolol in the bloodstream and lead to increased acebutolol effects.
• Acebutolol should not be taken within 2 weeks of taking a monoamine oxidase inhibitor (MAGI) antidepressant.
• Acebutolol may interfere with the effects of some antiasthma drugs, including theophylline and aminophylline.
• Combining acebutolol with digitalis drugs may result in excessive slowing of the heart, possibly causing heart block.
• If you stop smoking while taking acebutolol, your dose may have to be reduced because your liver will break down the drug more slowly afterward.
• Aluminum salts, barbiturates, calcium salts, cholestyramine, colestipol, ampicillin, and rifampin may reduce the effectiveness of acebutolol.
• Beta blockers may block the effects of epinephrine.
Food Interactions
None known.
Usual Dose
High Blood Pressure
Adult: starting dose-100 mg a day, taken all at once or in 2 divided doses. The daily dose may be gradually increased. Maintenance dose-400-800 mg a day.
Senior: Older adults may respond to lower doses and should be treated more cautiously, beginning with 100 mg a day, increasing gradually to a maximum of 400 mg a day.
Child: not recommended.
Abnormal Heart Rhythms
Adult: starting dose-200 mg a day. Maintenance dose-200600 mg a day in 2 divided doses.
Senior: Older adults may respond to lower doses and should be treated more cautiously, beginning with 100 mg a day, increasing gradually to a maximum of 400 mg a day.
Child: not recommended.
Overdosage
Symptoms of overdose include extremely slow or irregular heartbeat, very low blood pressure, breathing difficulties, and seizures. The victim should be taken to a hospital emergency room. ALWAYS bring the prescription bottle or container.
Special Information
Acebutolol is meant to be taken continuously. When ending acebutolol treatment, dosage should be reduced gradually over a period of about 2 weeks. Do not stop taking this drug unless directed to do so by your doctor.
Do not take other medications, including over-the-counter medications, without consulting with your doctor. The use of some nasal decongestants with acebutolol may result in severely high blood pressure.
Acebutolol may cause drowsiness or dizziness. Be careful when driving or performing complex tasks.
It is best to take acebutolol at the same time each day. If you forget a dose, take it as soon as you remember. If you take acebutolol once a day and it is within 8 hours of your next dose, skip the dose you forgot and continue with your regular schedule. If you take acebutolol twice a day and it is within 4 hours of your next dose, skip the missed dose and continue with your regular schedule. Never take a double dose.
Special Populations
PregnancylBreast-feeding. Acebutolol crosses into the placenta. Infants born to women who took a beta blocker while pregnant had lower birth weights, low blood pressure, and slow heart rates. Acebutolol should be taken during pregnancy only if the potential benefit outweighs the risk.
Large amounts of acebutolol pass into breast milk. Nursing mothers taking acebutolol should use infant formula.
Seniors: Seniors taking acebutolol may need a reduced dosage.