Glecaprevir/Pibrentasvir and Ethinyl Estradiol Interaction

Drug interaction information between Glecaprevir/Pibrentasvir and Ethinyl Estradiol.

Glecaprevir/Pibrentasvir and Ethinyl Estradiol have a documented moderate interaction in FDA labeling.

FDA drug labeling documents a moderate-severity interaction between Glecaprevir/Pibrentasvir and Ethinyl Estradiol. This page displays the available source-record category and label text. The category is not an individual risk estimate or medication-combination direction.

Drug A

Glecaprevir/Pibrentasvir

NS3/4A/NS5A Inhibitor (HCV)

Drug B

Ethinyl Estradiol

Vaginal Contraceptive Ring

How They Interact

Taking these medications at the same time can cause a rise in liver enzymes. This is often a sign that the liver is under stress or being irritated.

FDA Label Information

Concomitant use with some other HCV antiviral medicinal products, such as those containing glecaprevir/pibrentasvir, may increase the risk of ALT elevations [see Warnings and Precautions (5.4) ] .

Frequently Asked Questions

What SPL severity band is on file for Glecaprevir/Pibrentasvir + Ethinyl Estradiol/Etonogestrel?

Compiled FDA labeling labels this pair moderate. That is a source-record field, not an individual medication-combination decision.

Which drug in this pair has the larger labeled-interaction portfolio?

Glecaprevir/Pibrentasvir has 38 labeled pairs on file vs Ethinyl Estradiol's 28. In the moderate band specifically: Glecaprevir/Pibrentasvir has 9 (also Cyclosporine, Darunavir, Estradiol, Ethinyl Estradiol); Ethinyl Estradiol has 1.

What mechanism field is on file for Glecaprevir/Pibrentasvir and Ethinyl Estradiol/Etonogestrel?

Taking these medications at the same time can cause a rise in liver enzymes. This is often a sign that the liver is under stress or being irritated.

Glecaprevir/Pibrentasvir carries more major-labeled pairs than Ethinyl Estradiol

SPL source-record counts only. This page's band is moderate · classes on file: Glecaprevir/Pibrentasvir (NS3/4A/NS5A Inhibitor (HCV)); Ethinyl Estradiol (Vaginal Contraceptive Ring).

Glecaprevir/Pibrentasvir has 3 major-labeled pairs vs Ethinyl Estradiol's 0. This page itself is in the moderate band, not the major band.

Glecaprevir/Pibrentasvir

3 major · 9 moderate · 26 minor · 38 total

Ethinyl Estradiol

0 major · 1 moderate · 27 minor · 28 total

Ethinyl Estradiol has no other moderate-band peer in this dataset besides Glecaprevir/Pibrentasvir.

Sources: FDA Drug Labels (SPL) via openFDA (2026). This is for informational purposes only and is not medical advice. This registry does not provide individual medication-combination directions.