乙酰唑胺（Acetazolamide、中华药典名：乙酰偶氮胺、商品名：丹木斯（Diamox）），学名N-(5-氨磺酰基-1,3,4-噻二唑-2-基)乙酰胺。

无色或白色结晶。有弱酸性。易溶于冷水。密封阴凉干燥处存放。

Acetazolamide, usually sold under the trade name Diamox in some countries, is a carbonic anhydrase inhibitor that is used for the medical treatment of glaucoma, epileptic seizure, idiopathic intracranial hypertension, altitude sickness, cystinuria, periodic paralysis, central sleep apnea, and dural ectasia. Acetazolamide is a diuretic, and it is available as a generic drug in the United States. Diamox is now available as Diamox Sequels in the United States since the original product is no longer made or sold there.