Celecoxib and Sulfasalazine interaction
Celecoxib and Sulfasalazine: the Celecoxib 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 Celecoxib (VYSCOXA) label · effective 2025-07-31
• In patients who have demonstrated allergic-type reactions to sulfonamides [ see Warnings and Precautions (5.7) ].
• Known hypersensitivity to celecoxib, or any components of the drug product or sulfonamides.
Celecoxib is a sulfonamide and both NSAIDs and sulfonamides may cause allergic type reactions including anaphylactic symptoms and life-threatening or less severe asthmatic episodes in certain susceptible people [ see Contraindications (4) and Warnings and Precautions (5.8) ].
Intervention: The concomitant use of Celecoxib with other NSAIDs or salicylates is not recommended.
NSAIDs and Salicylates Clinical Impact: Concomitant use of Celecoxib with other NSAIDs or salicylates (e.g., diflunisal, salsalate) increases the risk of GI toxicity, with little or no increase in efficacy [ see Warnings and Precautions (5.2) ] .
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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.