Skip to content

Drug interactions

Ethinyl estradiol-levonorgestrel + Grapefruit

Severity: Minor

Ethinyl estradiol-levonorgestrel and Grapefruit: 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

Grapefruit juice may modestly raise ethinyl estradiol exposure. The effect is generally small and rarely clinically significant, though estrogenic adverse effects such as nausea or breast tenderness could be more noticeable with large intake.

What this interaction means in plain words

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

Evidence level: Low

Why it happens

Grapefruit components inhibit intestinal CYP3A4 and reduce first-pass metabolism of ethinyl estradiol.

What to do

No change is usually needed; advise patients to keep grapefruit intake moderate and consistent, and review if estrogenic adverse effects appear.

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.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Ethinyl estradiol-levonorgestrel and Grapefruit, the additional notes, the evidence detail and the whole-prescription interaction checker.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 7 days on the web. No card needed.

Frequently asked questions

Can I take Ethinyl estradiol-levonorgestrel with Grapefruit?

MediHelp rates the interaction as minor. Ethinyl estradiol-levonorgestrel and Grapefruit have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Grapefruit juice may modestly raise ethinyl estradiol exposure. The effect is generally small and rarely clinically significant, though estrogenic adverse effects such as nausea or breast tenderness could be more noticeable with large intake.

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

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 change is usually needed; advise patients to keep grapefruit intake moderate and consistent, and review if estrogenic adverse effects appear.

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.

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.

Browse A–Z · Drug interactions

Get the app Sign in