Estradiol and Drospirenone Interaction

Drug interaction information between Estradiol and Drospirenone.

Estradiol and Drospirenone have a documented major interaction in FDA labeling.

FDA drug labeling documents a major-severity interaction between Estradiol and Drospirenone. 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

Estradiol

Estrogen Hormone

Drug B

Drospirenone

Combined Oral Contraceptive

How They Interact

Drospirenone can cause your body to keep too much potassium, and taking it with other similar drugs can make this effect stronger.

FDA Label Information

Potential to Increase Serum Potassium Concentration There is a potential for an increase in serum potassium concentration in women taking drospirenone, ethinyl estradiol and levomefolate calcium tablets and levomefolate calcium tablets with other drugs that may increase serum potassium concentration [see Warnings And Precautions ( 5.2 ) and And Clinical Pharmacology ( 12.3 )]. 7.3 Concomitant Use with HCV Combination Therapy – Liver Enzyme Elevation Do not co-administer drospirenone, ethinyl estradiol and levomefolate calcium tablets and levomefolate calcium tablets with HCV drug...

Frequently Asked Questions

What SPL severity band is on file for Estradiol + Drospirenone/Ethinyl Estradiol?

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

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

Estradiol has 54 labeled pairs on file vs Drospirenone's 30. In the major band specifically: Estradiol has 1; Drospirenone has 1.

What mechanism field is on file for Estradiol and Drospirenone/Ethinyl Estradiol?

Drospirenone can cause your body to keep too much potassium, and taking it with other similar drugs can make this effect stronger.

Estradiol's labeled portfolio outnumbers Drospirenone

SPL source-record counts only. This page's band is major · classes on file: Estradiol (Estrogen Hormone); Drospirenone (Combined Oral Contraceptive).

Estradiol

1 major · 3 moderate · 50 minor · 54 total

Estradiol has no other major-band peer in this dataset besides Drospirenone.

Drospirenone

1 major · 0 moderate · 29 minor · 30 total

Drospirenone has no other major-band peer in this dataset besides Estradiol.

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.