Ketorolac and Pentoxifylline interaction

Ketorolac and Pentoxifylline: both prescribing labels flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.

Major

Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.

What the FDA labels say

From the Ketorolac (Ketorolac Tromethamine) label · effective 2024-12-31

Major

The concomitant use of ketorolac tromethamine and pentoxifylline is contraindicated.

Contraindicationsnames PentoxifyllineView label on DailyMed
Moderate

Pentoxifylline When ketorolac tromethamine is administered concurrently with pentoxifylline, there is an increased tendency to bleeding.

Drug interactionsnames PentoxifyllineView label on DailyMed

From the Pentoxifylline label · effective 2026-05-15

Moderate

DRUG INTERACTIONS Bleeding has been reported in patients treated with pentoxifylline extended-release tablets with or without concomitant NSAIDs, anticoagulants, or platelet aggregation inhibitors.

Drug interactionsby drug classView label on DailyMed

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Not 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.