Prescription
Carbonic anhydrase inhibitor (diuretic/water tablet)
Acetazolamide
Last reviewed April 2026
Who is this for?
What is this drug?
Acetazolamide is a medicine that works by reducing the amount of fluid your body produces in certain areas like the eyes and brain — it does this by blocking an enzyme called carbonic anhydrase, which helps control fluid and acid balance in your body.
What is it used for?
Glaucoma (high pressure in the eye)epilepsy (seizures/convulsions)altitude sicknessswelling due to fluid buildup (edema)
Prescription Required
A doctor's prescription is required to obtain this drug legally.