acetazolamide
Drug class
Active ingredient: acetazolamide
- Carbonic anhydrase inhibitorsATC code: S01EC01Source: ATC
Allergy cross-reactivity
Cross-reactivity between sulfonamide antibiotics and non-antibiotic sulfonamides
Risk level: Low
Basis: MYTH-BUSTING: Non-antibiotic sulfonamides (thiazide/loop diuretics, sulfonylureas, acetazolamide, celecoxib) LACK the N1 ring and N4 arylamine group. Strom NEJM 2003 shows any association reflects general allergy predisposition, not true cross-reactivity. Risk is LOW.
Other active ingredients in the same group:
- celecoxib
- furosemide
- glibenclamide
- gliclazide
- hydrochlorothiazide
Notes: A reported sulfa allergy should NOT automatically contraindicate non-antibiotic sulfonamides. In severe reaction history still exercise caution. Consult a specialist.
Source: https://pubmed.ncbi.nlm.nih.gov/14573734/
Cross-reactivity risk is not definitive; consult an allergy/infectious disease specialist.
Breastfeeding
LactMed
Risk level: Compatible
Small amounts in milk unlikely to harm infant; compatible.
Source: https://www.ncbi.nlm.nih.gov/books/NBK501365/
Breastfeeding safety requires individual assessment; consult a physician.