Acetazolamide 250 mg is a potent, FDA-approved medication primarily used to prevent and reduce the symptoms of altitude sickness. This versatile drug helps mountaineers and travelers adjust to high altitudes and is also utilized in treating certain types of eye problems (excessive pressure in the eyes), epilepsy, and fluid retention. It belongs to a class of drugs known as diuretics or “water pills,” enhancing its uniqueness in medical applications.