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Database of Abstracts of Reviews of Effects (DARE): Quality-assessed Reviews [Internet]. York (UK): Centre for Reviews and Dissemination (UK); 1995-.

Database of Abstracts of Reviews of Effects (DARE): Quality-assessed Reviews [Internet].

Acetazolamide for the prevention of acute mountain sickness: a systematic review and meta-analysis

Review published: 2012.

Bibliographic details: Ritchie ND, Baggott AV, Andrew Todd WT.  Acetazolamide for the prevention of acute mountain sickness: a systematic review and meta-analysis. Journal of Travel Medicine 2012; 19(5): 298-307. [PubMed: 22943270]

Abstract

BACKGROUND: Acetazolamide has been reported to be effective in the prevention of acute mountain sickness (AMS). Our aim was to conduct a systematic review of randomized, placebo-controlled trials of acetazolamide in the prevention of AMS.

METHODS: Studies were identified by searching the MEDLINE, Embase, Cochrane Clinical Trials Register, and ClinicalTrials.gov databases. Primary end point was difference in incidence of AMS between acetazolamide and placebo groups.

RESULTS: Acetazolamide prophylaxis was associated with a 48% relative-risk reduction compared to placebo. There was no evidence of an association between efficacy and dose of acetazolamide. Adverse effects were often not systematically reported but appeared to be common but generally mild. One study found that adverse effects of acetazolamide were dose related.

CONCLUSIONS: Acetazolamide is effective prophylaxis for the prevention of symptoms of AMS in those going to high altitude. A dose of 250 mg/day has similar efficacy to higher doses and may have a favorable side-effect profile.

© 2012 International Society of Travel Medicine.

CRD has determined that this article meets the DARE scientific quality criteria for a systematic review.

Copyright © 2014 University of York.

PMID: 22943270

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