Drug interactions
Griseofulvin + Vincristine liposomal
Severity: Minor
Griseofulvin and Vincristine liposomal: 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
Vincristine is a CYP3A4 substrate, so a CYP3A4 inducer might lower its exposure. Griseofulvin is a weak inducer and the clinical relevance is uncertain.
What this interaction means in plain words
Griseofulvin and Vincristine liposomal 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 CYP3A4 induction by griseofulvin may theoretically increase vincristine clearance.
What to do
No dose change is routinely required; monitor for reduced treatment response and consider an alternative antifungal in patients on curative-intent chemotherapy.
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 Griseofulvin
Frequently asked questions
Can I take Griseofulvin with Vincristine liposomal?
MediHelp rates the interaction as minor. Griseofulvin and Vincristine liposomal have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Vincristine is a CYP3A4 substrate, so a CYP3A4 inducer might lower its exposure. Griseofulvin is a weak inducer and the clinical relevance is uncertain.
How serious is the interaction between Griseofulvin and Vincristine liposomal?
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 dose change is routinely required; monitor for reduced treatment response and consider an alternative antifungal in patients on curative-intent chemotherapy.
What other medicines interact with Griseofulvin?
MediHelp also lists interactions of Griseofulvin with, for example, Cyclosporine, Cyclosporin, Desogestrel-ethinyl estradiol. The full list is on the Griseofulvin page.
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