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Information on Tablets A-Z
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Brand Names:
Aricept
Medication prescribed:
Donepezil is used to treat Alzheimer's disease. Donepezil is in a class of medications called cholinesterase inhibitors. It improves mental function by increasing the amount of a certain natural substance in the brain.
How should this medicine be used:
Donepezil comes as a tablet to take by mouth. It is usually taken once a day, at bedtime, with or without food. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take donepezil exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.
Your doctor may start you on a low dose of donepezil and increase your dose after 4 to 6 weeks.
Other uses for this medicine:
This medication may be prescribed for other uses; ask your doctor or pharmacist for more information.
Special precautions:
Before taking donepezil,
tell your doctor and pharmacist if you are allergic to donepezil, glutethimide, or any other medications.
tell your doctor and pharmacist what prescription and nonprescription medications, vitamins, nutritional supplements, and herbal products you are taking. Be sure to mention any of the following: antihistamines; aspirin and other nonsteroidal anti-inflammatory medications (NSAIDs) such as ibuprofen (Advil, Motrin) and naproxen (Aleve, Naprosyn); bethanechol (Duvoid, Urabeth, Urecholine); carbamazepine (Tegretol); dexamethasone (Decadron, Dexone); ipratropium (Atrovent); ketoconazole (Nizoral); medications for glaucoma, irritable bowel disease, motion sickness, myasthenia gravis, Parkinson's disease, ulcers, or urinary problems; phenobarbital (Luminal, Solfoton); phenytoin (Dilantin); quinidine (Quinidex); and rifampin (Rifadin, Rimactane). Your doctor may need to change the doses of your medications or monitor you carefully for side effects.
tell your doctor if you have or have ever had an ulcer, heart disease, asthma, or chronic obstructive pulmonary disease (chronic bronchitis or emphysema).
tell your doctor if you are pregnant, plan to become pregnant, or are breast-feeding. If you become pregnant while taking donepezil, call your doctor.
if you are having surgery, including dental surgery, tell the doctor or dentist that you are taking donepezil.
Special dietary instructions:
Unless your doctor tells you otherwise, continue your normal diet.
If I forget a dose:
Take the missed dose as soon as you remember it. However, if it is almost time for the next dose, skip the missed dose and continue with your regular dosing schedule. Do not take a double dose to make up for a missed one.
What side effects:
Donepezil may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:
upset stomach
diarrhea
difficulty falling asleep or staying asleep
vomiting
muscle cramps
excessive tiredness
loss of appetite
pain
headache
dizziness
weight loss
depression
abnormal dreams
Some side effects can be serious. The following symptoms are uncommon, but if you experience any of them, call your doctor immediately:
fainting
slow heartbeat
black and tarry stools
red blood in stools
bloody vomit
vomiting material that looks like coffee grounds
difficulty urinating
seizures
Donepezil may cause other side effects. Call your doctor if you have any unusual problems while taking this medication.
What storage conditions:
Keep this medication in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture (not in the bathroom). Throw away any medication that is outdated or no longer needed. Talk to your pharmacist about the proper disposal of your medication.
In case of overdose:
In case of overdose, call your local poison control center. If the victim has collapsed or is not breathing, call local emergency services at 911.
Symptoms of overdose may include:
upset stomach
vomiting
drooling
sweating
slow heartbeat
difficulty breathing
muscle weakness
seizures
Other information:
Keep all appointments with your doctor.
Do not let anyone else take your medication. Ask your pharmacist any questions you have about refilling your prescription.
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