藥物交互作用
Doxycycline + Isotretinoin
嚴重程度: 嚴重
Doxycycline and Isotretinoin: major interaction.
最後更新 來源: US FDA label
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摘要
Both isotretinoin and tetracyclines such as doxycycline can cause idiopathic intracranial hypertension (pseudotumor cerebri). Using them together may raise this risk, presenting with headache, visual disturbance and papilloedema. Labeling recommends avoiding concurrent use.
用白話說明這項交互作用的意義
Doxycycline and Isotretinoin 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.
Doxycycline belongs to Anti Bacterial; Isotretinoin belongs to Dermatology.
為什麼會發生
Additive pharmacodynamic effect on intracranial pressure; the exact mechanism for each drug is not fully established.
處置方式
Avoid concurrent use and choose a non-tetracycline option if an antibiotic is required during isotretinoin therapy. Educate patients to stop both drugs and seek urgent assessment, including fundoscopy, if persistent headache, nausea or visual changes occur.
可向藥師詢問的問題
- 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?
參考資料
Isotretinoin 的其他交互作用
Doxycycline 的其他交互作用
常見問題
Can I take Doxycycline with Isotretinoin?
MediHelp rates the interaction as major. Doxycycline and Isotretinoin 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. Both isotretinoin and tetracyclines such as doxycycline can cause idiopathic intracranial hypertension (pseudotumor cerebri). Using them together may raise this risk, presenting with headache, visual disturbance and papilloedema. Labeling recommends avoiding concurrent use.
How serious is the interaction between Doxycycline and Isotretinoin?
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 concurrent use and choose a non-tetracycline option if an antibiotic is required during isotretinoin therapy. Educate patients to stop both drugs and seek urgent assessment, including fundoscopy, if persistent headache, nausea or visual changes occur.
What other medicines interact with Isotretinoin?
MediHelp also lists interactions of Isotretinoin with, for example, Demeclocycline, Minocycline, Oxytetracycline. The full list is on the Isotretinoin page.
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