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Drug interactions

Ethinyl estradiol-levonorgestrel + Fluvoxamine

Severity: Minor

Ethinyl estradiol-levonorgestrel and Fluvoxamine: minor 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

Ethinyl estradiol may increase fluvoxamine concentrations, although the effect is probably small. Fluvoxamine may in turn alter estrogen metabolism, with unclear significance.

What this interaction means in plain words

Ethinyl estradiol-levonorgestrel and Fluvoxamine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Ethinyl estradiol-levonorgestrel belongs to Endocrine; Fluvoxamine belongs to Central Nervous System.

Evidence level: Low

Why it happens

Possible CYP1A2 inhibition by ethinyl estradiol slightly reducing fluvoxamine clearance.

What to do

No routine action is needed; monitor for fluvoxamine adverse effects such as nausea and sedation and adjust the dose if they occur.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

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 Ethinyl estradiol-levonorgestrel with Fluvoxamine?

MediHelp rates the interaction as minor. Ethinyl estradiol-levonorgestrel and Fluvoxamine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Ethinyl estradiol may increase fluvoxamine concentrations, although the effect is probably small. Fluvoxamine may in turn alter estrogen metabolism, with unclear significance.

How serious is the interaction between Ethinyl estradiol-levonorgestrel and Fluvoxamine?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine action is needed; monitor for fluvoxamine adverse effects such as nausea and sedation and adjust the dose if they occur.

What other medicines interact with Ethinyl estradiol-levonorgestrel?

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

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