Aspirin and Naproxen interaction
Aspirin and Naproxen: 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 Aspirin label · effective 2026-05-06
…product have had stomach ulcers or bleeding problems take more or for a longer time than directed take other drugs containing prescription or nonprescription NSAIDs [aspirin, ibuprofen, naproxen, or others] Do not use if you are allergic to aspirin or any other pain reliever/fever reducer if you have ever had an allergic reaction to this product or any of its ingredients…
From the Naproxen label · effective 2026-01-05
Naproxen Suspension is contraindicated in the following patients: Known hypersensitivity (e.g., anaphylactic reactions and serious skin reactions) to naproxen or any components of the drug product [ see Warnings and Precautions ( 5.7 , 5.9 ) ] History of asthma, urticaria, or other allergic-type reactions after taking aspirin or other NSAIDs.
History of asthma, urticaria, or other allergic-type reactions after taking aspirin or other NSAIDs ( 4 )
Exacerbation of Asthma Related to Aspirin Sensitivity: Naproxen Suspension is contraindicated in patients with aspirin-sensitive asthma.
Exacerbation of Asthma Related to Aspirin Sensitivity A subpopulation of patients with asthma may have aspirin-sensitive asthma which may include chronic rhinosinusitis complicated by nasal polyps; severe, potentially fatal bronchospasm; and/or intolerance to aspirin and other NSAIDs.
Because cross-reactivity between aspirin and other NSAIDs has been reported in such aspirin-sensitive patients, Naproxen Suspension is contraindicated in patients with this form of aspirin sensitivity [ see Contraindications ( 4 ) ].When Naproxen Suspension is used in patients with preexisting asthma (without known aspirin sensitivity), monitor patients for changes…
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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.