Best Carbonic Anhydrase Inhibitor for altitude sickness
Top-rated pick: Acetazolamide — pharmaranks score 68/100, the highest of the 2 Carbonic Anhydrase Inhibitor drugs used for altitude sickness, ranked by our independent FDA recall-safety score. Compare them with all treatments for altitude sickness or the full Carbonic Anhydrase Inhibitor class. Not medical advice — always consult a professional.
Quick answer: Of the 2 carbonic anhydrase inhibitor drugs we rate for altitude sickness, all are available as lower-cost generics, and most are tablet. Our ranking reflects each drug’s FDA recall-safety record — not clinical effectiveness for altitude sickness; the right choice depends on your situation, so confirm it with your prescriber.
How carbonic anhydrase inhibitor work
These block the enzyme carbonic anhydrase, which normally helps the body recycle bicarbonate. In the kidneys this flushes more bicarbonate, sodium, and water into the urine, and in the eye it cuts production of the fluid that builds up pressure, which is why they treat conditions like glaucoma and altitude sickness.
Source: Carbonic Anhydrase Inhibitors - StatPearls - NCBI Bookshelf
Top carbonic anhydrase inhibitor for altitude sickness: 1. Acetazolamide · 2. Acetazolamide Sodium
| # | Drug | Rating | Type | Form | Generic? | Pharmacy pays | |
|---|---|---|---|---|---|---|---|
| 1 | 68/100 | Prescription | Tablet | Generic | $4 | View → | |
| 2 | Not yet rated | Prescription | Injectable | Generic | $4 | View → |
Full ranking · 2 drugs
acetazolamide
PrescriptionFDA-sourced
Acetazolamide is a carbonic anhydrase inhibitor used to treat Altitude Sickness, Glaucoma, Seizures.
Pharmacy pays
From ~$3.05/30· 3 formsacetazolamide sodium
PrescriptionFDA-sourced
Acetazolamide Sodium is a carbonic anhydrase inhibitor used to treat Altitude Sickness, Glaucoma, Seizures.
Pharmacy pays
From ~$3.05/30· 3 formsFrequently asked
- What is the best carbonic anhydrase inhibitor for altitude sickness?
- By our independent recall-safety rating — not an efficacy measure — acetazolamide ranks highest among Carbonic Anhydrase Inhibitor drugs used for altitude sickness. Always consult a professional.
- Which carbonic anhydrase inhibitor drugs treat altitude sickness?
- pharmaranks lists 2 Carbonic Anhydrase Inhibitor products used for altitude sickness, per NIH RxClass drug-classification data — each independently rated and ranked above.
- How are these ranked?
- By our independent score, currently based on FDA regulatory recall-safety data (the methodology blends additional sources as they come online). See the How we rate page.