Donepezil (By mouth)
Treats Alzheimer disease.
Uses of This Medicine
Donepezil is used to treat dementia (memory loss and mental changes) associated with mild, moderate, or severe Alzheimer’s disease. Donepezil will not cure Alzheimer’s disease, and it will not stop the disease from getting worse. However, it can improve thinking ability in some patients.
This medicine is available only with your doctor’s prescription.
Other uses (PubMed Health)
How To Use
Tablet, Dissolving Tablet
Your doctor will tell you how much medicine to use. Do not use more than directed.
Read and follow the patient instructions that come with this medicine. Talk to your doctor or pharmacist if you have any questions.
Tablet: Swallow the 23-mg tablet whole. Do not crush, break, or chew it.
Disintegrating tablet: Make sure your hands are dry before you handle the disintegrating tablet. Peel back the foil from the blister pack, then remove the tablet. Do not push the tablet through the foil. Place the tablet in your mouth. After it has melted, swallow or take a drink of water.
Missed dose: Skip the missed dose and take your next dose at the regular time. Do not take extra medicine to make up for a missed dose.
Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.
Drugs and Foods to Avoid
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
Some medicines can affect how donepezil works. Tell your doctor if you are using any of the following:Bethanechol, carbamazepine, dexamethasone, ketoconazole, phenobarbital, phenytoin, quinidine, or rifampin NSAID pain or arthritis medicine (such as aspirin, diclofenac, ibuprofen, naproxen)
When Not To Use
This medicine is not right for everyone. Do not use it if you had an allergic reaction to donepezil or to medicines that contain piperidine.
This medicine may cause the following problems:Slow heartbeat Stomach or bowel bleeding Seizures
Tell any doctor or dentist who treats you that you are using this medicine. You may need to stop using this medicine several days before you have surgery or medical tests.
Your doctor will check your progress and the effects of this medicine at regular visits. Keep all appointments.
Keep all medicine out of the reach of children. Never share your medicine with anyone.
Possible side effects
Summary More details
Call your doctor right away if you notice any of these side effects:
Bloody or black, tarry stools
Change in how much or how often you urinate
Chest pain, slow or uneven heartbeat, trouble breathing
Lightheadedness, dizziness, fainting
Severe stomach pain
Unusual bleeding, bruising, or weakness
If you notice these less serious side effects, talk with your doctor:
If you notice other side effects that you think are caused by this medicine, tell your doctor.
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
More side effects of this drug
Brand names include
There may be other brand names for this medicine.