Acetazolamide and Aspirin interaction
Acetazolamide and Aspirin: both prescribing labels flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.
Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.
What the FDA labels say
From the Acetazolamide label · effective 2026-01-23
Caution is advised for patients receiving concomitant high-dose aspirin and acetazolamide, as anorexia, tachypnea, lethargy, metabolic acidosis, coma, and death have been reported.
DRUG INTERACTIONS Aspirin - See WARNINGS .
From the Aspirin label · effective 2026-05-06
…this product or any of its ingredients Ask a doctor before use if stomach bleeding warning applies to you you have a history of stomach problems, such as heartburn you are taking a diuretic you have high blood pressure, heart disease, liver cirrhosis, or kidney disease you have asthma Ask a doctor or pharmacist before use if you are taking a prescription drug…
Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.
Open in the checkerNot medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.