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Interazioni tra farmaci

Ethinyl estradiol-norgestimate + Rufinamide

Gravità: Moderata

Ethinyl estradiol-norgestimate and Rufinamide: moderate interaction.

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Sintesi

Rufinamide is a weak CYP3A4 inducer and labeling notes it can lower exposure to ethinyl estradiol and norethindrone-type progestins. This may reduce contraceptive reliability.

Cosa significa questa interazione in parole semplici

Ethinyl estradiol-norgestimate and Rufinamide can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Ethinyl estradiol-norgestimate belongs to Endocrine; Rufinamide belongs to Central Nervous System.

Livello di evidenza: Moderate

Perché avviene

Weak induction of CYP3A4 increases hepatic metabolism of contraceptive hormones.

Cosa fare

Advise an additional non-hormonal contraceptive method while taking rufinamide and for a short period after stopping. Consider a non-hormonal method as the primary option.

Cosa chiedere al farmacista

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

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

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Domande frequenti

Can I take Ethinyl estradiol-norgestimate with Rufinamide?

MediHelp rates the interaction as moderate. Ethinyl estradiol-norgestimate and Rufinamide can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Rufinamide is a weak CYP3A4 inducer and labeling notes it can lower exposure to ethinyl estradiol and norethindrone-type progestins. This may reduce contraceptive reliability.

How serious is the interaction between Ethinyl estradiol-norgestimate and Rufinamide?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise an additional non-hormonal contraceptive method while taking rufinamide and for a short period after stopping. Consider a non-hormonal method as the primary option.

What other medicines interact with Ethinyl estradiol-norgestimate?

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

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