Drug interactions
Ketorolac intranasal + Phentolamine
Severity: Minor
Ketorolac intranasal 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
Ketorolac is absorbed systemically after intranasal use and, like other NSAIDs, may blunt the antihypertensive effect of vasodilators. The effect on phentolamine is likely small and short-lived.
What this interaction means in plain words
Ketorolac intranasal 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.
Why it happens
NSAID prostaglandin inhibition and fluid retention may oppose phentolamine's vasodilation.
What to do
Monitor blood pressure if ketorolac is used repeatedly with phentolamine and adjust the antihypertensive regimen if control is lost.
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 Phentolamine
Frequently asked questions
Can I take Ketorolac intranasal with Phentolamine?
MediHelp rates the interaction as minor. Ketorolac intranasal 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. Ketorolac is absorbed systemically after intranasal use and, like other NSAIDs, may blunt the antihypertensive effect of vasodilators. The effect on phentolamine is likely small and short-lived.
How serious is the interaction between Ketorolac intranasal 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 ketorolac is used repeatedly with phentolamine and adjust the antihypertensive regimen if control is lost.
What other medicines interact with Phentolamine?
MediHelp also lists interactions of Phentolamine with, for example, Alfuzosin, Avanafil, Doxazosin. The full list is on the Phentolamine page.
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