Drug interactions
Naproxen + Phentolamine
Severity: Minor
Naproxen and Phentolamine: minor 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 may partly offset the blood pressure lowering effect of phentolamine. The clinical effect is usually modest.
What this interaction means in plain words
Naproxen and Phentolamine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Naproxen belongs to Musculoskeletal; Phentolamine belongs to Cardiovascular.
Why it happens
NSAID inhibition of vasodilatory prostaglandins and sodium retention opposes alpha-blocker vasodilation.
What to do
Monitor blood pressure if naproxen is used regularly and adjust phentolamine as needed.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Naproxen
- Ketorolac intranasal + Naproxen Contraindicated
- Ketorolac + Naproxen Contraindicated
- Aceclofenac + Naproxen Major
- Acemetacin + Naproxen Major
- Acetylsalicylic acid + Naproxen Major
- Alteplase + Naproxen Major
Other interactions of Phentolamine
Frequently asked questions
Can I take Naproxen with Phentolamine?
MediHelp rates the interaction as minor. Naproxen and Phentolamine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. NSAIDs may partly offset the blood pressure lowering effect of phentolamine. The clinical effect is usually modest.
How serious is the interaction between Naproxen and Phentolamine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood pressure if naproxen is used regularly and adjust phentolamine as needed.
What other medicines interact with Naproxen?
MediHelp also lists interactions of Naproxen with, for example, Ketorolac intranasal, Ketorolac, Aceclofenac. The full list is on the Naproxen page.
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