Aspirin and Bismuth subsalicylate interaction
Aspirin and Bismuth subsalicylate: the Bismuth subsalicylate prescribing label 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 Bismuth subsalicylate (Stomach Relief) label · effective 2026-06-25
Do not take if you are allergic to salicylates (including aspirin) taking other salicylate products Do not use if you have an ulcer a bleeding problem bloody or black stool Ask a doctor before use if you have fever mucus in the stool Ask a doctor or pharmacist before use if you are taking any drug for diabetes gout arthritis anticoagulation (thinning the blood)…
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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.