Drug interactions
Lidocaine + Stiripentol
Severity: Minor
Lidocaine and Stiripentol: 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
Lidocaine is partly cleared by CYP1A2 and CYP3A4. Stiripentol has mixed inhibiting and inducing effects on several enzymes, so lidocaine exposure could change in either direction. The clinical relevance is uncertain, especially with topical or local use.
What this interaction means in plain words
Lidocaine and Stiripentol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Lidocaine belongs to Cardiovascular; Stiripentol belongs to Central Nervous System.
Why it happens
Stiripentol may alter CYP1A2 and CYP3A4 activity, changing the metabolism of lidocaine.
What to do
No action is needed for single local anesthetic doses. With infusions or repeated systemic dosing, monitor for lidocaine toxicity (dizziness, perioral numbness, arrhythmia) or reduced effect.
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 Lidocaine
- Bupivacaine liposome + Lidocaine Major
- Disopyramide + Lidocaine Major
- Ex vivo expanded autologous human corneal epithelial cells containing stem cells + Lidocaine Major
- Lidocaine + Nirmatrelvir / ritonavir Major
- Lidocaine + Ombitasvir / paritaprevir / ritonavir and dasabuvir Major
- Lidocaine + Pimozide Major
Other interactions of Stiripentol
Frequently asked questions
Can I take Lidocaine with Stiripentol?
MediHelp rates the interaction as minor. Lidocaine and Stiripentol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Lidocaine is partly cleared by CYP1A2 and CYP3A4. Stiripentol has mixed inhibiting and inducing effects on several enzymes, so lidocaine exposure could change in either direction. The clinical relevance is uncertain, especially with topical or local use.
How serious is the interaction between Lidocaine and Stiripentol?
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 action is needed for single local anesthetic doses. With infusions or repeated systemic dosing, monitor for lidocaine toxicity (dizziness, perioral numbness, arrhythmia) or reduced effect.
What other medicines interact with Lidocaine?
MediHelp also lists interactions of Lidocaine with, for example, Bupivacaine liposome, Disopyramide, Ex vivo expanded autologous human corneal epithelial cells containing stem cells. The full list is on the Lidocaine page.
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