Acetazolamide
Carbonic Anhydrase Inhibitors
- Drug class
- Carbonic Anhydrase Inhibitors
- Availability
- Prescription only
- Routes
- Oral, Intravenous
- Markets covered
- 3
- Products on record
- 23
- FDA reports (12 mo)
- 476
Overview
Acetazolamide is an active pharmaceutical ingredient in the Carbonic Anhydrase Inhibitors group (S01EC). The information below is compiled per regulator from the product labels on record, with direct links to the original documents.
Regulatory status by market
| Market | Regulator | Products | Last revision |
|---|---|---|---|
| GB United Kingdom | MHRA | 16 | May 22, 2026 |
| US United States | FDA | 5 | May 12, 2026 |
| CA Canada | Health Canada | 2 | January 29, 2026 |
GBUnited Kingdom· MHRA
16 products
Uses
Glaucoma
How to take
USUnited States· FDA
5 products
Uses
INDICATIONS AND USAGE
For adjunctive treatment of: edema due to congestive heart failure; drug-induced edema; centrencephalic epilepsies (petit mal, unlocalized seizures); chronic simple (open-angle) glaucoma, secondary glaucoma, and preoperatively in acute angle-closure glaucoma where delay of surgery is desired in order to lower intraocular pressure.
Acetazolamide tablets are also indicated for the prevention or amelioration of symptoms associated with acute mountain sickness in climbers attempting rapid ascent and in those who are very susceptible to acute mountain sickness despite gradual ascent.
How to take
CACanada· Health Canada
2 products
Uses
ACETAZOLAMIDE (acetazolamide tablets) is indicated: • To decrease ocular aqueous humor secretion in glaucoma (chronic, simple and secondary types). • For use as an adjunct in the treatment of selected cases of epilepsy. • To alkalinize the urine in selected cases of salicylate overdosage.
1 Pediatrics Pediatrics: No data are available to Health Canada; therefore, Health Canada has not authorized an indication for pediatric use. 2 Geriatrics Geriatrics: No data are available to Health Canada; therefore, Health Canada has not authorized an indication for geriatric use.
How to take
Drug interactions
Known interactions involving Acetazolamide. Select one for details. This list is informational and not a complete interaction checker.
Showing 240 of 278. Type above to find a specific drug.
Interaction data compiled from DDInter (academic, CC-BY). Severity classification only - this is not a complete interaction checker and not medical advice.
Sources & citations
- [1]MHRA (UK) · PL127620145 · revised April 10, 2026
- [2]FDA DailyMed · 0700a910-79aa-44… · revised May 12, 2026 [PDF]
- [3]Health Canada (DPD) · 00545015 · revised May 28, 2025
- [4]OpenFDA adverse-event reports (US), 12 months ending June 4, 2026.
Information on this page is compiled from public regulatory records. Drugvu is not affiliated with any regulator or pharmaceutical manufacturer. This is not medical advice. Always consult a qualified healthcare professional.