Captopril and Piroxicam interaction
Captopril and Piroxicam: both prescribing labels describe an interaction that usually calls for monitoring, a dose change, or spacing the doses.
Usually manageable with monitoring or a dose change. Tell your pharmacist you take both.
What the FDA labels say
From the Captopril label · effective 2026-09-14
Non-Steroidal Anti-Inflammatory Agents including Selective Cyclooxygenase-2 Inhibitors (COX-2 Inhibitors) In patients who are elderly, volume-depleted (including those on diuretic therapy), or with compromised renal function, coadministration of NSAIDs, including selective COX-2 inhibitors, with ACE inhibitors, including captopril, may result in deterioration…
Monitor renal function periodically in patients receiving captopril and NSAID therapy.
The antihypertensive effect of ACE inhibitors, including captopril, may be attenuated by NSAIDs.
From the Piroxicam label · effective 2026-07-08
Patients at greatest risk of this reaction are those with impaired renal function, dehydration, hypovolemia, heart failure, liver dysfunction, those taking diuretics and ACE inhibitors or ARBs, and the elderly.
ACE Inhibitors and ARBs: Concomitant use with Piroxicam Capsules in elderly, volume depleted, or those with renal impairment may result in deterioration of renal function.
Monitor patients to assure diuretic efficacy including antihypertensive effects (7)
• In patients who are elderly, volume-depleted (including those on diuretic therapy), or have renal impairment, co-administration of an NSAID with ACE inhibitors or ARBs may result in deterioration of renal function, including possible acute renal failure.
Intervention: • During concomitant use of Piroxicam Capsules and ACE inhibitors, ARBs, or beta-blockers, monitor blood pressure to ensure that the desired blood pressure is obtained.
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.