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MediHelp Référence médicamenteuse

Interactions médicamenteuses

Amobarbital + Ethinyl estradiol-drospirenone

Gravité: Majeure

Amobarbital and Ethinyl estradiol-drospirenone: major interaction.

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Résumé

Amobarbital can reduce contraceptive hormone levels, leading to breakthrough bleeding and potential contraceptive failure.

Ce que signifie cette interaction, en termes simples

Amobarbital and Ethinyl estradiol-drospirenone 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; Ethinyl estradiol-drospirenone belongs to Endocrine.

Niveau de preuve: Moderate

Pourquoi elle survient

Barbiturates induce CYP3A4 and other hepatic enzymes, increasing clearance of ethinyl estradiol and progestins.

Conduite à tenir

Use a non-hormonal contraceptive method or one not affected by enzyme induction during therapy and for several weeks after stopping.

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 Ethinyl estradiol-drospirenone?

MediHelp rates the interaction as major. Amobarbital and Ethinyl estradiol-drospirenone 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 can reduce contraceptive hormone levels, leading to breakthrough bleeding and potential contraceptive failure.

How serious is the interaction between Amobarbital and Ethinyl estradiol-drospirenone?

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 a non-hormonal contraceptive method or one not affected by enzyme induction during therapy and for several weeks after stopping.

What other medicines interact with Ethinyl estradiol-drospirenone?

MediHelp also lists interactions of Ethinyl estradiol-drospirenone with, for example, Fezolinetant, Ombitasvir / paritaprevir / ritonavir, Ombitasvir / paritaprevir / ritonavir and dasabuvir. The full list is on the Ethinyl estradiol-drospirenone 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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