Drug interactions
Indomethacin + Parecoxib
Severity: Major
Indomethacin and Parecoxib: major 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
Parecoxib is a prodrug of the COX-2 inhibitor valdecoxib, and combining it with indomethacin duplicates NSAID therapy. This increases the risk of GI injury, renal impairment, fluid retention and hyperkalemia without added benefit.
What this interaction means in plain words
Indomethacin and Parecoxib can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Why it happens
Duplicate cyclooxygenase inhibition leading to additive gastrointestinal, renal and cardiovascular toxicity.
What to do
Avoid using two NSAIDs together and select a single agent. Monitor renal function and potassium if concomitant use cannot be avoided.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Indomethacin
- Indomethacin + Ketorolac Contraindicated
- Indomethacin + Ketorolac intranasal Contraindicated
- Aceclofenac + Indomethacin Major
- Acemetacin + Indomethacin Major
- Acetylsalicylic acid + Indomethacin Major
- Alteplase + Indomethacin Major
Frequently asked questions
Can I take Indomethacin with Parecoxib?
MediHelp rates the interaction as major. Indomethacin and Parecoxib can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Parecoxib is a prodrug of the COX-2 inhibitor valdecoxib, and combining it with indomethacin duplicates NSAID therapy. This increases the risk of GI injury, renal impairment, fluid retention and hyperkalemia without added benefit.
How serious is the interaction between Indomethacin and Parecoxib?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid using two NSAIDs together and select a single agent. Monitor renal function and potassium if concomitant use cannot be avoided.
What other medicines interact with Indomethacin?
MediHelp also lists interactions of Indomethacin with, for example, Ketorolac, Ketorolac intranasal, Aceclofenac. The full list is on the Indomethacin page.
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