Memac tablets


  • Active Ingredient: Donepezil
  • 10 mg, 5 mg
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What is Memac?

The active ingredient of Memac brand is donepezil. Donepezil improves the function of nerve cells in the brain. It works by preventing the breakdown of a chemical called acetylcholine (ah SEET il KOE leen). People with dementia usually have lower levels of this chemical, which is important for the processes of memory, thinking, and reasoning.

Used for

Memac is used to treat diseases such as: Alzheimer's Disease, Lewy Body Dementia, Mild Cognitive Impairment.

Side Effect

Possible side effects of Memac include: fainting; headache; eye irritation; clumsiness or unsteadiness; nausea; flushing of skin; high fever; decreased urination.

How to Buy Memac tablets online?

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Memac dosing information

Usual Adult Dose for Alzheimer's Disease:

Initial dose: 5 mg orally once a day, in the evening prior to retiring

Mild to moderate Alzheimer's disease:-Maintenance dose: 10 mg orally once a day, after the patient has been on an initial dose of 5 mg once a day for 4 to 6 weeks

Moderate to severe Alzheimer's disease:-Maintenance dose: 23 mg orally once a day, after the patient has been on a dose of 10 mg once a day for at least 3 months

Comments: A higher dose of 10 mg may or may not provide a statistically significantly greater clinical benefit than a 5 mg dose. Prescriber and patient's preference should be considered.

Uses: For mild, moderate, and severe Alzheimer's type dementia

Animal data

  • In animal studies, developmental toxicity was not observed when Memac was administered to pregnant rats and rabbits during organogenesis, but administration to rats during latter part of pregnancy and throughout lactation resulted in increased stillbirths and decreased offspring survival at clinically relevant doses; in the U.S. general population, estimated background risks of major birth defects and miscarriage in clinically recognized pregnancies are 2% to 4% and 15% to 20%, respectively; background risks of major birth defects and miscarriage for indicated population are unknown

Memac is prescribed for people who have dementia which is associated with Alzheimer's disease. Dementia is a condition of the brain which causes a gradual loss of mental ability. This includes problems with memory, understanding, judgement, thinking and language. Other problems also commonly develop, such as changes in personality and changes in the way a person interacts with others in social situations.


Memac hydrochloride is supplied as film coated, round tablets containing 5 mg, or 10 mg of Memac hydrochloride.

The 5 mg tablets are white round biconvex, film coated tablets debossed with 'I' on one side and '24' on the other side.

The 10 mg tablets are yellow round biconvex, film coated tablets debossed with 'I' on one side and '21' on the other side.

Patient Counseling Information

See FDA-approved Patient Package Insert attached to this label.

To assure safe and effective use of Memac hydrochloride, the information and instructions provided in the attached Patient Package Insert should be discussed with patients and caregivers.

Patients and caregivers should be instructed to take Memac hydrochloride only once per day, as prescribed.

Patients and caregivers should be instructed that Memac hydrochloride can be taken with or without food.

Patients and caregivers should be advised that the product may cause nausea, diarrhea, insomnia, vomiting, muscle cramps, fatigue and decreased appetite.

Rated Memac for Alzheimer's Disease Report

First time I tried this drug we increased it incorrectly every week. Came off it due to diarrhea. However tried it again at half pill in the morning for a month. Then half pill in morning and at night for a month. Next month while pill in the morning and half at night. Fourth month a whole pill in the morning and whole pill at night. Fewer diarrhea problems with this gradual dosage. Mentally stable for 2-3 years. Went off medication due to doctor thinking I’d just had a stroke and rapidly declined within 2 months. Going back on meds.


Memac hydrochloride tablet USP is indicated for the treatment of dementia of the Alzheimer's type. Efficacy has been demonstrated in patients with mild, moderate, and severe Alzheimer's disease.

Why is this medication prescribed?

Memac is used to treat dementia (a brain disorder that affects the ability to remember, think clearly, communicate, and perform daily activities and may cause changes in mood and personality) in people who have Alzheimer's disease (AD; a brain disease that slowly destroys the memory and the ability to think, learn, communicate and handle daily activities). Memac is in a class of medications called cholinesterase inhibitors. It improves mental function (such as memory, attention, the ability to interact with others, speak, think clearly, and perform regular daily activities) by increasing the amount of a certain naturally occurring substance in the brain. Memac may improve the ability to think and remember or slow the loss of these abilities in people who have AD. However, Memac will not cure AD or prevent the loss of mental abilities at some time in the future.

What is Memac?

Memac is used to help improve mental function in people with Alzheimer's disease.

Memac does not work the same in all people. Some people taking Memac have improved mental function, while others may have unchanged or even worsening mental function.

Memac is not a cure for Alzheimer's disease. This condition will progress over time, even in people who take Memac.

Memac may also be used for other purposes not listed in this medication guide.

How to take Memac

  • Before you start the treatment, read the manufacturer's printed information leaflet from ins >

Stomach medications

Certain stomach medications and Memac work in opposite ways. If you take them together, the drugs may be less effective. Or you may have a higher risk of side effects. Examples of these drugs include:

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