Each tablet contains 250 mg acetazolamide as active ingredient. Acetazolamide is a potent carbonic anhydrase inhibitor is used in the treatment of glaucoma and epilepsy. It is also used to prevent the symptoms of mountain sickness. These medications can decreases headache, tiredness, and shortness of breath that can occur when you climb to high altitude. Acetazolamide is a diuretic it decrease the amount of the fluid that build up in the eye.