Drug interactions
Metoprolol + Parecoxib
Severity: Moderate
Metoprolol and Parecoxib: 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 like parecoxib (via valdecoxib) can reduce the antihypertensive effect of beta-blockers, especially with prolonged use. Renal function may also be impaired in susceptible patients.
What this interaction means in plain words
Metoprolol and Parecoxib 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.
Why it happens
Inhibition of prostaglandin synthesis leads to sodium and water retention, opposing the antihypertensive effect.
What to do
Monitor blood pressure if the NSAID is used for more than a few days. Prefer the shortest course at the lowest dose, or use an alternative analgesic.
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?
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Other interactions of Metoprolol
- Metoprolol + Thioridazine Contraindicated
- Amifostine + Metoprolol Major
- Amiodarone + Metoprolol Major
- Atenolol-chlorthalidone + Metoprolol Major
- Atenolol + Metoprolol Major
- Betaxolol + Metoprolol Major
Frequently asked questions
Can I take Metoprolol with Parecoxib?
MediHelp rates the interaction as moderate. Metoprolol and Parecoxib 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 like parecoxib (via valdecoxib) can reduce the antihypertensive effect of beta-blockers, especially with prolonged use. Renal function may also be impaired in susceptible patients.
How serious is the interaction between Metoprolol and Parecoxib?
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 if the NSAID is used for more than a few days. Prefer the shortest course at the lowest dose, or use an alternative analgesic.
What other medicines interact with Metoprolol?
MediHelp also lists interactions of Metoprolol with, for example, Thioridazine, Amifostine, Amiodarone. The full list is on the Metoprolol page.
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