What should I tell my health care provider before I take this medicine?
They need to know if you have any of these conditions:
asthma or other lung disease
difficulty passing urine
head injury
heart disease, slow heartbeat
liver disease
Parkinson's disease
seizures (convulsions)
stomach or intestinal disease, ulcers or stomach bleeding
an unusual or allergic reaction to donepezil, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
breast-feeding
How should I use this medicine?
Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. You may take
this medicine with or without food. Take this medicine at regular intervals. This medicine is usually taken before
bedtime. Do not take it more often than directed. Continue to take your medicine even if you feel better. Do not stop
taking except on the advice of your doctor or health care professional.
Contact your health care professional regarding the use of this medicine in children. Special care may be needed.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
What if I miss a dose?
If you miss a dose, take it as soon as you can. If it is less than four hours to your next dose, take only that
dose and skip the missed dose. Do not take double or extra doses.
What may interact with this medicine?
Do not take this medicine with any of the following medications:
atropine
benztropine
bethanechol
carbamazepine
dexamethasone
dicyclomine
glycopyrrolate
hyoscyamine
pratropiumv
traconazole or ketoconazole
medicines for motion sickness
NSAIDs, medicines for pain and inflammation, like ibuprofen or naproxen
other medicines for Alzheimer's disease
oxybutynin
phenobarbital
phenytoin
quinidine
rifampin, rifabutin or rifapentine
trihexyphenidyl
This list may not describe all possible interactions. Give your health care provider a list of all
the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you
smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
What should I watch for while using this medicine?
Visit your doctor or health care professional for regular checks on your progress. Check with your doctor or health care
professional if your symptoms do not get better or if they get worse.
You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this drug affects you.
What side effects may I notice from receiving this medicine?
Side effects that you should report to your doctor or health care professional as soon as possible:
allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
changes in vision
feeling faint or lightheaded, falls
problems with balance
slow heartbeat, or palpitations
stomach pain
unusual bleeding or bruising, red or purple spots on the skin
vomiting
weight loss
Side effects that usually do not require medical attention (report to your doctor or health care professional
if they continue or are bothersome):
diarrhea, especially when starting treatment
headache
ndigestion or heartburn
loss of appetite
muscle cramps
nausea
Where should I keep my medicine?
Keep out of the reach of children.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Throw away any unused medicine after the expiration date.