Drug interactions
Dihydroergotamine intranasal + Griseofulvin
Severity: Minor
Dihydroergotamine intranasal and Griseofulvin: 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 may modestly lower systemic dihydroergotamine exposure, possibly reducing efficacy. A safety hazard is not expected.
What this interaction means in plain words
Dihydroergotamine intranasal and Griseofulvin 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
Griseofulvin is a weak CYP3A4 inducer that may increase dihydroergotamine metabolism.
What to do
No routine adjustment is needed. Reassess migraine response if it appears diminished.
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 Dihydroergotamine intranasal with Griseofulvin?
MediHelp rates the interaction as minor. Dihydroergotamine intranasal and Griseofulvin 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 may modestly lower systemic dihydroergotamine exposure, possibly reducing efficacy. A safety hazard is not expected.
How serious is the interaction between Dihydroergotamine intranasal and Griseofulvin?
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 routine adjustment is needed. Reassess migraine response if it appears diminished.
What other medicines interact with Griseofulvin?
MediHelp also lists interactions of Griseofulvin with, for example, Cyclosporin, Desogestrel-ethinyl estradiol, Dienogest / estradiol valerate. The full list is on the Griseofulvin page.
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