MedicinePOMEssential

Memantine

A medicine that helps with symptoms of moderate to severe Alzheimer's disease.

Clinical information

Common uses

moderate to severe Alzheimer's disease

Common side effects

headaches
dizziness
balance problems
feeling sleepy
constipation

Cautions

check first if epilepsy or past seizures
check first after heart attack, heart failure or uncontrolled hypertension
check first with severe kidney problems
tell your doctor about major diet changes

Interactions

amantadine and apomorphine (Parkinson's medicines)
ropinirole, pramipexole, rotigotine (restless legs medicines)
cabergoline (prolactin-lowering medicine)

Pregnancy: not usually used — only if benefits outweigh risks

Reference information, not medical advice — always follow your doctor or pharmacist. Source: NHS Medicines A–Z, nhs.uk/medicines/memantine (accessed 2026-08-16)

Approved brands & formulations2

Brand name	Dosage form	Strength	Importer	Category
Cognimet 10	Tablet	10mg	State Trading Organization Plc	POM
Memantine	Tablet	5 mg	—	POM