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Interactions médicamenteuses

Amobarbital + Desogestrel-ethinyl estradiol

Gravité: Majeure

Amobarbital and Desogestrel-ethinyl estradiol: major interaction.

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Résumé

Barbiturates induce hepatic enzymes and can speed up the metabolism of both ethinyl estradiol and desogestrel's active metabolite. This lowers hormone levels and may cause breakthrough bleeding and contraceptive failure.

Ce que signifie cette interaction, en termes simples

Amobarbital and Desogestrel-ethinyl estradiol 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.

Amobarbital belongs to Central Nervous System; Desogestrel-ethinyl estradiol belongs to Endocrine.

Niveau de preuve: Moderate

Pourquoi elle survient

Induction of CYP3A4 and other hepatic enzymes increasing clearance of contraceptive steroids.

Conduite à tenir

Use an alternative non-hormonal or non-enzyme-dependent contraceptive method, such as a copper IUD or DMPA. Continue backup measures for several weeks after stopping the barbiturate.

Questions à poser à votre pharmacien

  • 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?

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

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Questions fréquentes

Can I take Amobarbital with Desogestrel-ethinyl estradiol?

MediHelp rates the interaction as major. Amobarbital and Desogestrel-ethinyl estradiol 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. Barbiturates induce hepatic enzymes and can speed up the metabolism of both ethinyl estradiol and desogestrel's active metabolite. This lowers hormone levels and may cause breakthrough bleeding and contraceptive failure.

How serious is the interaction between Amobarbital and Desogestrel-ethinyl estradiol?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use an alternative non-hormonal or non-enzyme-dependent contraceptive method, such as a copper IUD or DMPA. Continue backup measures for several weeks after stopping the barbiturate.

What other medicines interact with Desogestrel-ethinyl estradiol?

MediHelp also lists interactions of Desogestrel-ethinyl estradiol with, for example, Fezolinetant, Aminocaproic acid, Anastrozole. The full list is on the Desogestrel-ethinyl estradiol page.

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Ouvrez le référentiel complet, vérifiez les interactions entre plusieurs médicaments et utilisez les outils de posologie dans l'application MediHelp.

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