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Drug interactions

Fenoprofen + Phentolamine

Severity: Minor

Fenoprofen 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 such as fenoprofen can cause sodium and fluid retention and blunt vasodilator responses, which may reduce the blood pressure lowering effect of phentolamine. The clinical effect is usually modest and is more relevant with sustained NSAID use.

What this interaction means in plain words

Fenoprofen 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.

Fenoprofen belongs to Musculoskeletal; Phentolamine belongs to Cardiovascular.

Evidence level: Low

Why it happens

NSAID inhibition of vasodilatory prostaglandin synthesis may pharmacodynamically oppose alpha-blocker-induced vasodilation.

What to do

Monitor blood pressure when fenoprofen is used regularly with phentolamine and adjust antihypertensive therapy if control worsens.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Fenoprofen with Phentolamine?

MediHelp rates the interaction as minor. Fenoprofen 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 such as fenoprofen can cause sodium and fluid retention and blunt vasodilator responses, which may reduce the blood pressure lowering effect of phentolamine. The clinical effect is usually modest and is more relevant with sustained NSAID use.

How serious is the interaction between Fenoprofen 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 when fenoprofen is used regularly with phentolamine and adjust antihypertensive therapy if control worsens.

What other medicines interact with Fenoprofen?

MediHelp also lists interactions of Fenoprofen with, for example, Ketorolac, Ketorolac intranasal, Aceclofenac. The full list is on the Fenoprofen page.

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