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Drug interactions

Elagolix + Levonorgestrel

Severity: Moderate

Elagolix and Levonorgestrel: moderate interaction.

Last updated

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Summary

Elagolix is a GnRH antagonist, and hormonal contraceptives may theoretically blunt its efficacy. Evidence for progestin-only methods is lacking, and an intrauterine system has low systemic exposure.

What this interaction means in plain words

Elagolix and Levonorgestrel 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.

Elagolix belongs to Musculoskeletal; Levonorgestrel belongs to Endocrine.

Evidence level: Low

Why it happens

Possible pharmacodynamic opposition at the hormonal axis; not firmly established for progestin-only products.

What to do

Labeling advises nonhormonal contraception during elagolix and for 1 week after stopping. Monitor symptom control.

What to ask your pharmacist

  • 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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Frequently asked questions

Can I take Elagolix with Levonorgestrel?

MediHelp rates the interaction as moderate. Elagolix and Levonorgestrel 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. Elagolix is a GnRH antagonist, and hormonal contraceptives may theoretically blunt its efficacy. Evidence for progestin-only methods is lacking, and an intrauterine system has low systemic exposure.

How serious is the interaction between Elagolix and Levonorgestrel?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Labeling advises nonhormonal contraception during elagolix and for 1 week after stopping. Monitor symptom control.

What other medicines interact with Levonorgestrel?

MediHelp also lists interactions of Levonorgestrel with, for example, Amobarbital, Apalutamide, Belzutifan. The full list is on the Levonorgestrel page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

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