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Drug interactions

DHEA + Dihydroergotamine intranasal

Severity: Moderate

DHEA and Dihydroergotamine intranasal: moderate 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

DHEA is reported to affect CYP3A4, but evidence is weak. Intranasal dihydroergotamine is partly metabolized by CYP3A4, and raised levels increase risk of peripheral ischemia.

What this interaction means in plain words

DHEA and Dihydroergotamine intranasal can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Evidence level: Low

Why it happens

Possible CYP3A4 inhibition by DHEA raising dihydroergotamine levels; not well established.

What to do

Advise avoiding DHEA supplements during dihydroergotamine therapy. Monitor for symptoms of peripheral ischemia or vasospasm.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take DHEA with Dihydroergotamine intranasal?

MediHelp rates the interaction as moderate. DHEA and Dihydroergotamine intranasal can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. DHEA is reported to affect CYP3A4, but evidence is weak. Intranasal dihydroergotamine is partly metabolized by CYP3A4, and raised levels increase risk of peripheral ischemia.

How serious is the interaction between DHEA and Dihydroergotamine intranasal?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise avoiding DHEA supplements during dihydroergotamine therapy. Monitor for symptoms of peripheral ischemia or vasospasm.

What other medicines interact with DHEA?

MediHelp also lists interactions of DHEA with, for example, Dihydroergotamine, Ergotamine, Pimozide. The full list is on the DHEA page.

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