Skip to content

Drug interactions

Hydralazine + Ketoprofen

Severity: Moderate

Hydralazine and Ketoprofen: 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 blood pressure-lowering effect of hydralazine. Loss of blood pressure control may occur, particularly with sustained NSAID use.

What this interaction means in plain words

Hydralazine and Ketoprofen 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.

Hydralazine belongs to Cardiovascular; Ketoprofen belongs to Musculoskeletal.

Evidence level: Moderate

Why it happens

NSAIDs inhibit vasodilatory prostaglandin synthesis and promote sodium and fluid retention, opposing vasodilator action.

What to do

Monitor blood pressure when ketoprofen is started or continued 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?

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

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Hydralazine and Ketoprofen, the additional notes, the evidence detail and the whole-prescription interaction checker.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 7 days on the web. No card needed.

Frequently asked questions

Can I take Hydralazine with Ketoprofen?

MediHelp rates the interaction as moderate. Hydralazine and Ketoprofen 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 blood pressure-lowering effect of hydralazine. Loss of blood pressure control may occur, particularly with sustained NSAID use.

How serious is the interaction between Hydralazine and Ketoprofen?

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 ketoprofen is started or continued and adjust antihypertensive therapy if needed. Use the lowest effective NSAID dose for the shortest time.

What other medicines interact with Ketoprofen?

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

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

Browse A–Z · Drug interactions

Get the app Sign in