Acetazolamide

Carbonic Anhydrase Inhibitor

Drug Class: Carbonic Anhydrase Inhibitor
Mechanism of Action (MOA): Inhibits carbonic anhydrase → ↓ aqueous humor and bicarbonate reabsorption → ↓ intraocular pressure and mild diuresis.
Clinical Notes: Glaucoma (incl. acute angle-closure), high-altitude sickness prophylaxis, idiopathic intracranial hypertension. Sulfonamide; causes metabolic acidosis, paresthesias, hypokalemia, calcium-phosphate stones.
Source: FDA label (DailyMed)