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Medication Guide — Aricept, Namzaric

Patient-friendly FDA guidance and safety information.

Last updated · May 16, 2026Source: DailyMed ↗

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This Medication Guide has been approved by the US Food and Drug Administration.

DONEPEZIL HYDROCHLORIDE TABLETS PATIENT PACKAGE INSERT

Donepezil Hydrochloride (doe-NEP-e-zil HYE-droe-KLOR-ide) Tablets, USP

Rx Only

  • Tablets: 5 mg and 10 mg

Read this Patient Information that comes with donepezil hydrochloride tablets before you start taking them 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 are donepezil hydrochloride tablets?

Donepezil hydrochloride tablets come as donepezil hydrochloride film-coated tablets in dosage strengths of 5 mg and 10 mg.

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

  • Seem much better
  • Get better in small ways or stay the same
  • Get worse over time but slower than expected
  • Not change and then get worse as expected

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

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

Who should not take donepezil hydrochloride tablets?

Do not take donepezil hydrochloride tablets if you are allergic to any of the ingredients in donepezil hydrochloride tablets 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 tablets.

What should I tell my doctor before taking donepezil hydrochloride tablets?

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

  • Any heart problems including problems with irregular, slow, or fast heartbeats
  • Asthma or lung problems
  • A seizure
  • Stomach ulcers
  • Difficulty passing urine
  • Liver or kidney problems
  • Trouble swallowing tablets
  • Present pregnancy or plans to become pregnant. It is not known if donepezil hydrochloride tablets can harm an unborn baby.
  • Present breast-feeding. It is not known if donepezil hydrochloride passes into breast milk. Talk to your doctor about the best way to feed your baby if you take Donepezil hydrochloride tablets.

Tell the doctor about all the medicines you take, including prescription and non-prescription medicines, vitamins, and herbal products. Donepezil hydrochloride tablets 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 tablets together may make you more likely to get stomach ulcers.

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

  • surgery
  • medical procedures
  • dental surgery or procedures.

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 tablets?

  • Take donepezil hydrochloride tablets exactly as prescribed by the doctor.  Do not stop donepezil hydrochloride tablets or change the dose yourself.  Talk with your doctor first.
  • Take donepezil hydrochloride tablets one time each day.  Donepezil hydrochloride tablets can be taken with or without food.
  • If you miss a dose of donepezil hydrochloride tablets, just wait. Take only the next dose at the usual time. Do not take 2 doses at the same time.
  • If donepezil hydrochloride tablets are missed for 7 days or more, talk with your doctor before starting again.
  • If you take too much donepezil hydrochloride tablets at one time, call your doctor or poison control center, or go to the emergency room right away.

What are the possible side effects of donepezil hydrochloride tablets?

Donepezil hydrochloride tablets may cause the following serious side effects:

  • slow heartbeat and fainting.This happens more often in people with heart problems. Call your doctor right away if you feel faint or lightheaded while taking donepezil hydrochloride tablets.
  • more stomach acid . This raises the chance of ulcers and bleeding. The risk is higher for people who have had ulcers, or take aspirin or other NSAIDs.
  • worsening of lung problems in people with asthma or other lung disease.
  • seizures.
  • difficulty passing urine.

Call your doctor right away if you have:

  • fainting.
  • heartburn or stomach pain that is new or won’t go away.
  • nausea or vomiting, blood in the vomit, dark vomit that looks like coffee grounds.
  • bowel movements or stools that look like black tar.
  • new or worse asthma or breathing problems.
  • seizures.
  • difficulty passing urine.

The most common side effects of donepezil hydrochloride tablets are:

  • nausea
  • diarrhea
  • not sleeping well
  • vomiting
  • muscle cramps
  • feeling tired
  • not wanting to eat

These side effects may get better after you take donepezil hydrochloride tablets for a while. This is not a complete list of side effects with donepezil hydrochloride tablets. 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 tablets be stored?

Store donepezil hydrochloride tablets at 20° to 25°C (68° to 77°F); excursions permitted to 15° to 30°C (59° to 86°F). [see USP Controlled Room Temperature].

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

General information about donepezil hydrochloride tablets

Medicines are sometimes prescribed for conditions that are not mentioned in this Patient Information Leaflet. Do not use donepezil hydrochloride tablets for a condition for which it was not prescribed. Do not give donepezil hydrochloride tablets 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 tablets. If you would like more information talk with your doctor. You can ask your pharmacist or doctor for information about donepezil hydrochloride tablets that is written for health professionals. For more information, call 1-800-912-9561.

What are the ingredients in donepezil hydrochloride tablets?

Active ingredient: donepezil hydrochloride, USP

Inactive ingredients:

  • Donepezil hydrochloride 5 mg and 10 mg film-coated tablets: lactose monohydrate, magnesium stearate, maize starch (Zea mays) and microcrystalline cellulose. The film coating contains hypromellose, polyethylene glycol, talc and titanium dioxide. Additionally, the 10 mg tablet contains ferric oxide red and ferric oxide yellow as coloring agents.

Manufactured by:

Torrent Pharmaceuticals LTD.,  India.

Manufactured for:

Torrent Pharma INC., Basking Ridge, NJ 07920

Packaged and Distributed by:

MAJOR® PHARMACEUTICALS

Indianapolis, IN 46268 USA

Refer to package label for Distributor's NDC Number

Distributed By:

Cardinal Health

Dublin, OH 43017

L54347581125

L54163420226

8106602                                                                                      Revised: January 2026

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Sources

RxCUI: 997229

NDC: 523430089

Last fetched: May 16, 2026

Source: DailyMed ↗

⚠️ Disclaimer

This information is for educational purposes only and is not medical advice. Always consult your doctor, pharmacist, or other licensed healthcare professional before starting, stopping, or changing any medicine. Read full medical disclaimer.