ethinylestradiol + norelgestromin · Medicine question

How long after applying an Evra patch do serum norelgestromin and ethinylestradiol levels reach a plateau?

Name: How long after applying an Evra patch do serum norelgestromin and ethinylestradiol levels reach a plateau?
Published: 2026-11-08T13:46:19.339Z

iatroX medicinesPublished 8 November 2026

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Answer

Serum norelgestromin and ethinylestradiol levels reach a plateau approximately 48 hours after applying an Evra patch.

Sources for this answer

EVRA 203 micrograms/24 hours + 33.9 micrograms/24 hours transdermal patchGedeon Richter (UK) Ltd · emc · SmPC §5.2 Pharmacokinetic properties · Version 3Document updated 15 May 2023

Sources checked 8 November 2026

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