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MediHelp Référence médicamenteuse

Interactions médicamenteuses

Amobarbital + Etonogestrel

Gravité: Majeure

Amobarbital and Etonogestrel: major interaction.

Dernière mise à jour

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Résumé

Enzyme-inducing barbiturates can lower etonogestrel exposure and may cause contraceptive failure with implants or vaginal rings. This is clinically important for pregnancy prevention.

Ce que signifie cette interaction, en termes simples

Amobarbital and Etonogestrel 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; Etonogestrel belongs to Endocrine.

Niveau de preuve: Moderate

Pourquoi elle survient

Barbiturate induction of CYP3A4 accelerates progestin metabolism.

Conduite à tenir

Advise an additional or alternative non-hormonal contraceptive method during amobarbital use and for a period after stopping, or use a non-affected method such as an intrauterine device.

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 Etonogestrel?

MediHelp rates the interaction as major. Amobarbital and Etonogestrel 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. Enzyme-inducing barbiturates can lower etonogestrel exposure and may cause contraceptive failure with implants or vaginal rings. This is clinically important for pregnancy prevention.

How serious is the interaction between Amobarbital and Etonogestrel?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise an additional or alternative non-hormonal contraceptive method during amobarbital use and for a period after stopping, or use a non-affected method such as an intrauterine device.

What other medicines interact with Amobarbital?

MediHelp also lists interactions of Amobarbital with, for example, Calcium / magnesium / potassium / sodium oxybates, Doravirine, Elbasvir / grazoprevir. The full list is on the Amobarbital page.

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