Acetazolamide is primarily used in the treatment of glaucoma to reduce intraocular pressure. It works by decreasing the production of aqueous humor in the eye, thereby alleviating pressure and preventing optic nerve damage. Additionally, it is prescribed for altitude sickness to help the body acclimatize to high altitudes by promoting bicarbonate excretion and reducing fluid retention. It is also employed in managing certain types of epilepsy, particularly absence seizures, by stabilizing abnormal electrical activity in the brain. Furthermore, acetazolamide can be used as a diuretic to treat conditions like heart failure, edema, and certain kidney disorders by increasing urine production and reducing fluid buildup in the body. It is also utilized in the treatment of metabolic alkalosis to correct acid-base imbalances through bicarbonate excretion.