Drug interactions
Oxaprozin + Penbutolol
Severity: Moderate
Oxaprozin and Penbutolol: moderate interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
NSAIDs can blunt the antihypertensive effect of beta-blockers through sodium and water retention and reduced vasodilatory prostaglandins. Blood pressure control may worsen, especially with sustained NSAID use.
What this interaction means in plain words
Oxaprozin and Penbutolol can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Why it happens
NSAID inhibition of prostaglandin synthesis causing fluid retention and vasoconstriction, antagonizing the beta-blocker.
What to do
Monitor blood pressure when oxaprozin is started or stopped, and adjust antihypertensive therapy if needed. Use the lowest effective NSAID dose for the shortest time.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Oxaprozin
- Ketorolac intranasal + Oxaprozin Contraindicated
- Ketorolac + Oxaprozin Contraindicated
- Aceclofenac + Oxaprozin Major
- Acemetacin + Oxaprozin Major
- Acetylsalicylic acid + Oxaprozin Major
- Alteplase + Oxaprozin Major
Frequently asked questions
Can I take Oxaprozin with Penbutolol?
MediHelp rates the interaction as moderate. Oxaprozin and Penbutolol can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. NSAIDs can blunt the antihypertensive effect of beta-blockers through sodium and water retention and reduced vasodilatory prostaglandins. Blood pressure control may worsen, especially with sustained NSAID use.
How serious is the interaction between Oxaprozin and Penbutolol?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood pressure when oxaprozin is started or stopped, and adjust antihypertensive therapy if needed. Use the lowest effective NSAID dose for the shortest time.
What other medicines interact with Oxaprozin?
MediHelp also lists interactions of Oxaprozin with, for example, Ketorolac intranasal, Ketorolac, Aceclofenac. The full list is on the Oxaprozin page.
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