Drug interactions
Meclofenamic acid + Parecoxib
Severity: Major
Meclofenamic acid 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
Combining two NSAIDs, one nonselective and one COX-2 selective prodrug, adds no therapeutic benefit and raises the risk of gastrointestinal bleeding, renal impairment, fluid retention and hyperkalemia. Cardiovascular and renal adverse effects are additive.
What this interaction means in plain words
Meclofenamic acid 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 inhibition of cyclooxygenase produces additive gastrointestinal, renal and platelet effects.
What to do
Avoid concurrent use of two NSAIDs and choose a single agent at the lowest effective dose. If unavoidable, monitor renal function, potassium and signs of bleeding.
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 Meclofenamic acid
- Ketorolac intranasal + Meclofenamic acid Contraindicated
- Ketorolac + Meclofenamic acid Contraindicated
- Aceclofenac + Meclofenamic acid Major
- Acemetacin + Meclofenamic acid Major
- Alteplase + Meclofenamic acid Major
- Amiloride + Meclofenamic acid Major
Frequently asked questions
Can I take Meclofenamic acid with Parecoxib?
MediHelp rates the interaction as major. Meclofenamic acid 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. Combining two NSAIDs, one nonselective and one COX-2 selective prodrug, adds no therapeutic benefit and raises the risk of gastrointestinal bleeding, renal impairment, fluid retention and hyperkalemia. Cardiovascular and renal adverse effects are additive.
How serious is the interaction between Meclofenamic acid 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 concurrent use of two NSAIDs and choose a single agent at the lowest effective dose. If unavoidable, monitor renal function, potassium and signs of bleeding.
What other medicines interact with Meclofenamic acid?
MediHelp also lists interactions of Meclofenamic acid with, for example, Ketorolac intranasal, Ketorolac, Aceclofenac. The full list is on the Meclofenamic acid page.
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