Drug interactions
Mexiletine + Parecoxib
Severity: Minor
Mexiletine and Parecoxib: minor 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's active metabolite valdecoxib is a weak CYP2D6 inhibitor, so any rise in mexiletine is likely small. No significant clinical interaction has been documented.
What this interaction means in plain words
Mexiletine and Parecoxib have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Weak CYP2D6 inhibition by valdecoxib may slightly reduce mexiletine clearance.
What to do
No adjustment is needed; monitor for mexiletine adverse effects such as nausea or dizziness.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Mexiletine
- Fezolinetant + Mexiletine Contraindicated
- Mexiletine + Pimozide Contraindicated
- Alosetron + Mexiletine Major
- Amiodarone + Mexiletine Major
- Clozapine + Mexiletine Major
- Cobicistat + Mexiletine Major
Frequently asked questions
Can I take Mexiletine with Parecoxib?
MediHelp rates the interaction as minor. Mexiletine and Parecoxib have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Parecoxib's active metabolite valdecoxib is a weak CYP2D6 inhibitor, so any rise in mexiletine is likely small. No significant clinical interaction has been documented.
How serious is the interaction between Mexiletine and Parecoxib?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No adjustment is needed; monitor for mexiletine adverse effects such as nausea or dizziness.
What other medicines interact with Mexiletine?
MediHelp also lists interactions of Mexiletine with, for example, Fezolinetant, Pimozide, Alosetron. The full list is on the Mexiletine page.
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