Acetazolamide, sold under the trade name Diamox among others, is a medication used to treat glaucoma, epilepsy, acute mountain sickness, periodic paralysis, idiopathic intracranial hypertension (raised brain pressure of unclear cause), heart failure and to alkalinize urine. [2][3] It may be used long term for the treatment of open angle ... Diamox ( acetazolamide) is a type of diuretic drug ("water pill") that promotes urination and helps remove excess water from the body. This action can help treat numerous medical conditions, including glaucoma, heart failure, and altitude sickness. Acetazolamide Tablets ( Acetazolamide Tablets) may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources. Diamox Tablet is a medicine used to treat glaucoma, oedema, epilepsy and mountain sickness. It works by blocking an enzyme that reduces fluid production in the eyes and body. It can cause side effects like nausea, diarrhoea, numbness and drowsiness.