AVIANE-21 vs SEASONALE

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated June 7, 2026·How we rate

Attribute	AVIANE-21	SEASONALE
Rating	New	New
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	ETHINYL ESTRADIOL AND LEVONORGESTREL	ETHINYL ESTRADIOL AND LEVONORGESTREL
Manufacturer	Duramed Pharms Barr	Teva Branded Pharm
Dosage forms	Kit	Kit
Drug class	—	—
Boxed warning	Boxed warning	Boxed warning
Half-life	about 36 hours (36 ± 13 hours at steady state)	about 36 hours (36 ± 13 hours at steady state)

aviane-21 seasonale

Rating

New

Pharmacy pays

—

Type

Active ingredient

ETHINYL ESTRADIOL AND LEVONORGESTREL

Manufacturer

Duramed Pharms Barr

Teva Branded Pharm

Dosage forms

Kit

Drug class

—

Boxed warning

Half-life

about 36 hours (36 ± 13 hours at steady state)

Frequently asked questions

What is the difference between Aviane-21 and Seasonale?

Both Aviane-21 and Seasonale share the active ingredient Ethinyl Estradiol and Levonorgestrel.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.