Drug reference

acetazolamide

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Drug class

Miscellaneous (Eye Preparations)

Mechanism of action

Carbonic anhydrase inhibitor that decreases rate of aqueous humor formation, in that way decreasing intraocular pressure, Inhibits H+ ion excretion in renal tubule, increasing sodium, potassium, bicarbonate, and water excretion and producing alkaline diuresis,

Common side effects

  • Malaise
  • Urticaria
  • Drowsiness
  • Confusion
  • Photosensitivity
  • Convulsions
  • Flaccid paralysis

Contraindications

  • Hypokalemia Hyponatremia Hyperchloremic acidosis Hypersensitivity to acetazolamide or sulfa Liver disease Severe renal disease or dysfunction Long term use in noncongestive angle-closure glaucoma Cirrhosis Long-term administration in patients with chronic, noncongestive angl…

Known interactions (1)

Related conditions

Frequently asked questions

What drug class is acetazolamide?

acetazolamide belongs to: Miscellaneous.

How does acetazolamide work?

Carbonic anhydrase inhibitor that decreases rate of aqueous humor formation, in that way decreasing intraocular pressure, Inhibits H+ ion excretion in renal tubule, increasing sodium, potassium, bicarbonate, and water excretion and producing alkaline diuresis,

What are the common side effects of acetazolamide?

Malaise, Urticaria, Drowsiness, Confusion, Photosensitivity, Convulsions, Flaccid paralysis

Which drugs interact with acetazolamide?

ondansetron

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