Drug interactions
Griseofulvin + Oxybutynin
Severity: Minor
Griseofulvin and Oxybutynin: 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
Griseofulvin is a CYP3A4 inducer and may lower oxybutynin concentrations. The effect on bladder symptom control is probably small.
What this interaction means in plain words
Griseofulvin and Oxybutynin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Griseofulvin belongs to Anti Fungals; Oxybutynin belongs to Genitourinary.
Why it happens
Griseofulvin induces CYP3A4, increasing oxybutynin clearance.
What to do
No empirical dose change is needed. Reassess symptom control if the response to oxybutynin diminishes.
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 Oxybutynin
Other interactions of Griseofulvin
Frequently asked questions
Can I take Griseofulvin with Oxybutynin?
MediHelp rates the interaction as minor. Griseofulvin and Oxybutynin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Griseofulvin is a CYP3A4 inducer and may lower oxybutynin concentrations. The effect on bladder symptom control is probably small.
How serious is the interaction between Griseofulvin and Oxybutynin?
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 empirical dose change is needed. Reassess symptom control if the response to oxybutynin diminishes.
What other medicines interact with Oxybutynin?
MediHelp also lists interactions of Oxybutynin with, for example, Bethanechol, Clozapine, Potassium chloride. The full list is on the Oxybutynin page.
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