Acetylcholinesterase inhibitors (ACHEIs) are a class of drugs that inhibit the activity of the enzyme acetylcholinesterase, thereby increasing the levels of acetylcholine in the brain.

ACHEIs function by preventing the breakdown of acetylcholine in the brain, which is a neurotransmitter involved in memory, learning, and other cognitive processes.

ACHEIs are primarily used in the treatment of Alzheimer’s disease and other forms of dementia, as they help improve cognitive function and temporarily minimize some of the symptoms associated with these conditions.

Common examples of ACHEIs include Donepezil, Rivastigmine, and Galantamine.

Some common side effects of ACHEIs are nausea, vomiting, diarrhea, dizziness, and headaches. These side effects are usually mild and temporary.

ACHEIs are contraindicated in individuals with known hypersensitivity to the drug, as well as those with certain medical conditions or taking specific medications. Consultation with a healthcare professional is essential before starting ACHEI therapy.