Drug interactions
Celecoxib + Parecoxib
Severity: Major
Celecoxib and Parecoxib: major interaction.
Last updated Sources: US FDA label
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 valdecoxib, a COX-2 inhibitor, so combining it with celecoxib duplicates therapy without added benefit. This increases the risk of cardiovascular events, renal impairment, hyperkalemia and gastrointestinal complications.
What this interaction means in plain words
Celecoxib 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 selective COX-2 inhibition producing additive adverse effects.
What to do
Avoid using both together; use a single COX-2 inhibitor at the lowest effective dose and switch rather than overlap.
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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References
Other interactions of Celecoxib
- Celecoxib + Ketorolac Contraindicated
- Celecoxib + Ketorolac intranasal Contraindicated
- Aceclofenac + Celecoxib Major
- Acemetacin + Celecoxib Major
- Amiloride + Celecoxib Major
- Apixaban + Celecoxib Major
Frequently asked questions
Can I take Celecoxib with Parecoxib?
MediHelp rates the interaction as major. Celecoxib 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 valdecoxib, a COX-2 inhibitor, so combining it with celecoxib duplicates therapy without added benefit. This increases the risk of cardiovascular events, renal impairment, hyperkalemia and gastrointestinal complications.
How serious is the interaction between Celecoxib 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 both together; use a single COX-2 inhibitor at the lowest effective dose and switch rather than overlap.
What other medicines interact with Celecoxib?
MediHelp also lists interactions of Celecoxib with, for example, Ketorolac, Ketorolac intranasal, Aceclofenac. The full list is on the Celecoxib page.
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