DONEPEZIL HYDROCHLORIDE - donepezil hydrochloride tablet, film coated 
Zydus Pharmaceuticals USA Inc.



Donepezil Hydrochloride

(doe-NEP-e-zil HYE-droe-KLOR-ide)


Read this Patient Information that comes with donepezil hydrochloride tablets before you start taking it and each time you get a refill. There may be new information. This leaflet does not take the place of talking with your doctor about Alzheimer's disease or treatment for it. If you have questions, ask the doctor or pharmacist.

What is donepezil hydrochloride?

Donepezil hydrochloride comes as donepezil hydrochloride film-coated tablets in dosage strength of 5 mg, 10 mg, and 23 mg.

Donepezil hydrochloride is a prescription medicine to treat mild, moderate and severe Alzheimer's disease. Donepezil hydrochloride can help with mental function and with doing daily tasks. Donepezil hydrochloride does not work the same in all people. Some people may:

Donepezil hydrochloride does not cure Alzheimer's disease. All patients with Alzheimer's disease get worse over time, even if they take donepezil hydrochloride.

Donepezil hydrochloride has not been approved as a treatment for any medical condition in children.

Who should not take donepezil hydrochloride?

Do not take donepezil hydrochloride if you are allergic to any of the ingredients in donepezil hydrochloride or to medicines that contain piperidines. Ask your doctor if you are not sure. See the end of this leaflet for a list of ingredients in donepezil hydrochloride.

What should I tell my doctor before taking donepezil hydrochloride?

Tell the doctor about all of your present or past health problems and conditions.


Tell the doctor about all the medicines you take, including prescription and non-prescription medicines, vitamins, and herbal products. Donepezil hydrochloride and other medicines may affect each other.

Be particularly sure to tell the doctor if you take aspirin or medicines called nonsteroidal anti-inflammatory drugs (NSAIDs). There are many NSAID medicines, both prescription and non-prescription. Ask the doctor or pharmacist if you are not sure if any of your medicines are NSAIDs. Taking NSAIDs and donepezil hydrochloride together may make you more likely to get stomach ulcers.

Donepezil hydrochloride taken with certain medicines used for anesthesia may cause side effects. Tell the responsible doctor or dentist that you take donepezil hydrochloride before you have:

Know the medicines that you take. Keep a list of all your medicines. Show it to your doctor or pharmacist before you start a new medicine.

How should you take donepezil hydrochloride?

What are the possible side effects of donepezil hydrochloride?

Donepezil hydrochloride may cause the following serious side effects:

Call your doctor right away if you have:

The most common side effects of donepezil hydrochloride are:

These side effects may get better after you take donepezil hydrochloride for a while. This is not a complete list of side effects with donepezil hydrochloride. For more information, ask your doctor or pharmacist.

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

How should donepezil hydrochloride be stored?

Store donepezil hydrochloride tablets at 20° to 25°C (68° to 77°F) [See USP Controlled Room Temperature].

Keep donepezil hydrochloride and all medicines out of the reach of children.

General information about donepezil hydrochloride

Medicines are sometimes prescribed for conditions that are not mentioned in this Patient Information Leaflet. Do not use donepezil hydrochloride for a condition for which it was not prescribed. Do not give donepezil hydrochloride to other people, even if they have the same symptoms or condition. It may harm them.

This leaflet summarizes the most important information about donepezil hydrochloride. If you would like more information talk with your doctor. You can ask your pharmacist or doctor for information about donepezil hydrochloride that is written for health professionals.

Please address medical inquiries to, ( Tel.: 1-877-993-8779.

What are the ingredients in donepezil hydrochloride tablets?

Active ingredient: donepezil hydrochloride (monohydrate), USP

Inactive ingredients: corn starch, ferric oxide, hypromellose, lactose monohydrate, magnesium stearate, polyethylene glycol, povidone, talc and titanium dioxide.

This patient package insert has been approved by the U.S. Food and Drug Administration.

This product's package insert may have been updated. For current package insert, please visit

Revised: 11/2022
Zydus Pharmaceuticals USA Inc.