QUARTETTE vs QUASENSE

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 20, 2026·How we rate

Attribute	QUARTETTE	QUASENSE
Rating	New	70/100
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	ETHINYL ESTRADIOL AND LEVONORGESTREL	ETHINYL ESTRADIOL AND LEVONORGESTREL
Manufacturer	Teva Branded Pharm	Watson Labs
Dosage forms	Kit	Tablet
Drug class	—	—
Boxed warning	Boxed warning	None
Half-life	about 36 hours (36 ± 13 hours at steady state)	about 36 hours (36 ± 13 hours at steady state)

quartette quasense

Rating

New

70/100

Pharmacy pays

—

Type

Active ingredient

ETHINYL ESTRADIOL AND LEVONORGESTREL

Manufacturer

Teva Branded Pharm

Watson Labs

Dosage forms

Kit

Tablet

Drug class

—

Boxed warning

None

Half-life

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

Frequently asked questions

What is the difference between Quartette and Quasense?

Both Quartette and Quasense 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.