Donepezil is a medication used to treat the symptoms of dementia, including Alzheimer's disease. It belongs to a class of drugs known as cholinesterase inhibitors, which work by increasing the levels of certain natural substances in the brain. This can improve thinking, memory, and the ability to perform daily activities.

Donepezil Hydrochloride FAQ


What is donepezil used for?

Donepezil is used to improve the symptoms of dementia in patients with Alzheimer's disease.

How does donepezil work?

Donepezil works by increasing the levels of certain brain chemicals, which can improve cognitive function.

What are the possible side effects of donepezil?

Common side effects may include nausea, diarrhea, and insomnia. It is important to consult a healthcare professional for a full list of side effects.

Is donepezil a cure for Alzheimer's disease?

No, donepezil is not a cure for Alzheimer's disease, but it can help improve symptoms and maintain cognitive function.

What is the typical dosage of donepezil?

The typical starting dose is 5 mg once daily, taken at bedtime. The dose may be increased to 10 mg once daily after 4-6 weeks.

Can donepezil be taken with other medications?

It is important to inform your healthcare provider about all the medications you are taking to avoid potential drug interactions.

How long does it take for donepezil to start working?

Some patients may notice an improvement in symptoms within a few weeks, while it may take several months for others.

Can donepezil be taken by elderly patients?

Yes, donepezil is commonly prescribed for elderly patients with Alzheimer's disease.

Are there any dietary restrictions while taking donepezil?

There are no specific dietary restrictions, but it's important to maintain a healthy and balanced diet.

Is donepezil safe for long-term use?

When used as prescribed and monitored by a healthcare professional, donepezil is generally safe for long-term use.

What should I do if I miss a dose of donepezil?

If a dose is missed, it should be taken as soon as possible. However, if it's almost time for the next dose, the missed dose should be skipped.

Can donepezil be stopped abruptly?

No, donepezil should not be stopped suddenly without consulting a healthcare professional, as it may cause a worsening of symptoms.

Is there an age limit for taking donepezil?

There is no strict age limit, but the decision to prescribe donepezil is based on individual health assessments.

What special precautions should be followed when taking donepezil?

It's important to follow the prescribed dosage, attend regular check-ups, and report any unusual symptoms to the healthcare provider.

Can donepezil be taken by patients with other medical conditions?

Donepezil should be used with caution in patients with certain medical conditions. It's crucial to inform the healthcare provider about pre-existing conditions.

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Information provided by Maryam Abdullahi-Mahdi. Reviewed by Prof. Vijay Sangar