Interazioni tra farmaci
Dihydroergotamine + Efavirenz
Gravità: Controindicata
Dihydroergotamine and Efavirenz: contraindicated interaction.
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Sintesi
Efavirenz alters CYP3A4 activity and may change dihydroergotamine exposure unpredictably. Elevated ergot levels risk severe peripheral and cerebral ischemia, so the combination is avoided.
Cosa significa questa interazione in parole semplici
Dihydroergotamine and Efavirenz are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two.
Dihydroergotamine belongs to Central Nervous System; Efavirenz belongs to Anti Virals.
Perché avviene
Efavirenz modulation of CYP3A4 metabolism of dihydroergotamine.
Cosa fare
Avoid and treat migraine with a non-ergot alternative such as a triptan, taking its interactions into account.
Cosa chiedere al farmacista
- Is there an alternative to one of these two medicines for me?
- If both are essential, who is monitoring me and how often?
- Which symptoms mean I should stop and seek help straight away?
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Altre interazioni di Efavirenz
- Cobimetinib + Efavirenz Controindicata
- Dienogest / estradiol valerate + Efavirenz Controindicata
- Dihydroergotamine intranasal + Efavirenz Controindicata
- Doravirine + Efavirenz Controindicata
- Efavirenz + Elbasvir / grazoprevir Controindicata
- Efavirenz + Elvitegravir / cobicistat / emtricitabine / tenofovir df Controindicata
Altre interazioni di Dihydroergotamine
- Almotriptan + Dihydroergotamine Controindicata
- Clarithromycin + Dihydroergotamine Controindicata
- Dihydroergotamine + Dopamine Controindicata
- Dihydroergotamine + Dronedarone Controindicata
- Dihydroergotamine + Eletriptan Controindicata
- Dihydroergotamine + Ergotamine Controindicata
Domande frequenti
Can I take Dihydroergotamine with Efavirenz?
MediHelp rates the interaction as contraindicated. Dihydroergotamine and Efavirenz are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two. Efavirenz alters CYP3A4 activity and may change dihydroergotamine exposure unpredictably. Elevated ergot levels risk severe peripheral and cerebral ischemia, so the combination is avoided.
How serious is the interaction between Dihydroergotamine and Efavirenz?
MediHelp rates it contraindicated, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid and treat migraine with a non-ergot alternative such as a triptan, taking its interactions into account.
What other medicines interact with Efavirenz?
MediHelp also lists interactions of Efavirenz with, for example, Cobimetinib, Dienogest / estradiol valerate, Dihydroergotamine intranasal. The full list is on the Efavirenz page.
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