相互作用
Dihydroergotamine intranasal + Isoniazid
重症度: 重大
Dihydroergotamine intranasal and Isoniazid: major interaction.
最終更新日
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概要
Intranasal dihydroergotamine is systemically absorbed and its clearance depends on CYP3A4. Isoniazid may increase exposure and the risk of ergot-related vasospasm and ischemia.
この相互作用をわかりやすく説明すると
Dihydroergotamine intranasal and Isoniazid can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
なぜ起こるのか
Inhibition of CYP3A4 metabolism of dihydroergotamine.
対処法
Avoid if possible and use a non-ergot alternative during isoniazid therapy. If used, monitor for peripheral ischemia and stop at the first signs.
薬剤師に尋ねること
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
Pro+会員向け
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、Dihydroergotamine intranasalとIsoniazid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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Isoniazidのその他の相互作用
よくある質問
Can I take Dihydroergotamine intranasal with Isoniazid?
MediHelp rates the interaction as major. Dihydroergotamine intranasal and Isoniazid can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Intranasal dihydroergotamine is systemically absorbed and its clearance depends on CYP3A4. Isoniazid may increase exposure and the risk of ergot-related vasospasm and ischemia.
How serious is the interaction between Dihydroergotamine intranasal and Isoniazid?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid if possible and use a non-ergot alternative during isoniazid therapy. If used, monitor for peripheral ischemia and stop at the first signs.
What other medicines interact with Isoniazid?
MediHelp also lists interactions of Isoniazid with, for example, Bacillus calmette-guerin substrain tice, Benzhydrocodone / acetaminophen, Carbamazepine. The full list is on the Isoniazid 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。
