Drug interactions
Dihydroergotamine intranasal + Oxcarbazepine
Severity: Moderate
Dihydroergotamine intranasal and Oxcarbazepine: 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
Oxcarbazepine is a weak to moderate CYP3A4 inducer and may lower dihydroergotamine exposure. Reduced levels could lead to loss of antimigraine effect. The legacy severity overstates the risk because the effect is a loss of efficacy rather than toxicity.
What this interaction means in plain words
Dihydroergotamine intranasal and Oxcarbazepine 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.
Why it happens
Oxcarbazepine's active metabolite induces CYP3A4, increasing the metabolism of dihydroergotamine.
What to do
Monitor for reduced migraine control and consider an alternative acute therapy if response is lost. Do not increase the dihydroergotamine dose beyond labeled limits.
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?
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Other interactions of Oxcarbazepine
- Cabotegravir + Oxcarbazepine Contraindicated
- Oxcarbazepine + Rilpivirine Contraindicated
- Artemether / lumefantrine + Oxcarbazepine Major
- Atazanavir + Oxcarbazepine Major
- Benzhydrocodone / acetaminophen + Oxcarbazepine Major
- Bictegravir + Oxcarbazepine Major
Frequently asked questions
Can I take Dihydroergotamine intranasal with Oxcarbazepine?
MediHelp rates the interaction as moderate. Dihydroergotamine intranasal and Oxcarbazepine 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. Oxcarbazepine is a weak to moderate CYP3A4 inducer and may lower dihydroergotamine exposure. Reduced levels could lead to loss of antimigraine effect. The legacy severity overstates the risk because the effect is a loss of efficacy rather than toxicity.
How serious is the interaction between Dihydroergotamine intranasal and Oxcarbazepine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for reduced migraine control and consider an alternative acute therapy if response is lost. Do not increase the dihydroergotamine dose beyond labeled limits.
What other medicines interact with Oxcarbazepine?
MediHelp also lists interactions of Oxcarbazepine with, for example, Cabotegravir, Rilpivirine, Artemether / lumefantrine. The full list is on the Oxcarbazepine page.
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