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相互作用

Doravirine + Efavirenz

重症度: 併用禁忌

Doravirine and Efavirenz: contraindicated interaction.

最終更新日

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概要

Efavirenz lowers doravirine concentrations, risking loss of virologic suppression and resistance. Both are NNRTIs and combining them offers no benefit.

この相互作用をわかりやすく説明すると

Doravirine 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.

Doravirine belongs to Anti Virals; Efavirenz belongs to Anti Virals.

エビデンスレベル: Moderate

なぜ起こるのか

Induction of CYP3A4 metabolism of doravirine by efavirenz.

対処法

Do not combine; choose one NNRTI-based regimen. If switching, stop efavirenz and allow for its enzyme induction to wane, as advised in the labeling.

薬剤師に尋ねること

  • 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?

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

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ページ全体を見る

アカウントを作成してPro+トライアルを始めると、DoravirineとEfavirenzの臨床対応の詳細なアドバイス、追加の注記、エビデンスの詳細、処方全体を対象とした相互作用チェッカーを利用できます。

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

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よくある質問

Can I take Doravirine with Efavirenz?

MediHelp rates the interaction as contraindicated. Doravirine 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 lowers doravirine concentrations, risking loss of virologic suppression and resistance. Both are NNRTIs and combining them offers no benefit.

How serious is the interaction between Doravirine 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: Do not combine; choose one NNRTI-based regimen. If switching, stop efavirenz and allow for its enzyme induction to wane, as advised in the labeling.

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.

完全なモノグラフ、用量、相互作用チェッカーはMediHelpアプリで

MediHelpアプリで、完全なリファレンスを開き、複数薬剤の相互作用をチェックし、用量ツールを利用できます。

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