Who can and cannot take donepezil

Most adults aged 18 years old and over can take donepezil.

Donepezil is not suitable for some people. To make sure this medicine is safe to take, tell your doctor if you or the person you're caring for have:

• ever had an allergic reaction to donepezil or any other medicine
• liver problems
• ever had an ulcer in your gut or intestines, or a stomach ulcer
• heart problems, such as an irregular or slow heartbeat
• asthma or other lung disease such as chronic obstructive pulmonary disease (COPD)
• ever had a seizure or fit
• a condition that makes it difficult to pee