PTCE Top 200 · #170

Ethinyl Estradiol / Etonogestrel

NuvaRing

Ethinyl Estradiol / Etonogestrel is the generic name for the brand-name drug NuvaRing. It is a contraceptive vaginal ring used to treat birth control (vaginal ring). On the PTCE Top 200 drug list, Ethinyl Estradiol / Etonogestrel ranks #170 and is one of the most frequently tested hormones/women's health medications — commonly quizzed on its brand–generic pair, drug class, and key side effects.

Generic nameEthinyl Estradiol / Etonogestrel
Brand name(s)NuvaRing
Drug classContraceptive vaginal ring
Class groupHormones/Women's Health
Common usebirth control (vaginal ring)
DEA scheduleUnscheduled
AvailabilityPrescription only (Rx)

What is Ethinyl Estradiol / Etonogestrel used for?

Prevention of pregnancy (combined hormonal contraceptive vaginal ring).

What drug class is Ethinyl Estradiol / Etonogestrel?

Ethinyl Estradiol / Etonogestrel is a Contraceptive vaginal ring in the Hormones/Women's Health group. Knowing the class is the fastest way to predict its uses, side effects, and the brand↔generic pairs the PTCE tests.

Common side effects of Ethinyl Estradiol / Etonogestrel

Major interactions

Is Ethinyl Estradiol / Etonogestrel a controlled substance?

No. Ethinyl Estradiol / Etonogestrel is not a federally controlled substance (it is unscheduled by the DEA).

warning Boxed warning

Cigarette smoking and serious cardiovascular events: women over 35 who smoke should not use combined hormonal contraceptives.

How to remember Ethinyl Estradiol / Etonogestrel (PTCE mnemonic)

NUVA-ring = NEW vaginal ring — EE + etonogestrel released over 3 weeks (1 week off). Insert any time of cycle; clot risk (VTE/stroke); NO smoking >35yo (boxed); refrigerate before dispensing.
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PTCE exam tip

The ring schedule is the question: three weeks in, one week out — pharmacies store NuvaRing in the refrigerator, and the estrogen clot/smoking warning still applies.

Ethinyl Estradiol / Etonogestrel FAQ

What is the brand name for Ethinyl Estradiol / Etonogestrel?

The brand name for Ethinyl Estradiol / Etonogestrel is NuvaRing.

What is Ethinyl Estradiol / Etonogestrel used for?

Ethinyl Estradiol / Etonogestrel is used to treat birth control (vaginal ring). Prevention of pregnancy (combined hormonal contraceptive vaginal ring).

What drug class is Ethinyl Estradiol / Etonogestrel?

Ethinyl Estradiol / Etonogestrel is a Contraceptive vaginal ring (Hormones/Women's Health group).

Is Ethinyl Estradiol / Etonogestrel a controlled substance?

No. Ethinyl Estradiol / Etonogestrel is not a federally controlled substance (it is unscheduled by the DEA).

Related drugs in the Hormones/Women's Health group

Drill Ethinyl Estradiol / Etonogestrel the way the PTCE asks it

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Last reviewed June 25, 2026. Educational use only — not medical advice. Verify clinical specifics with your pharmacist or a current label source such as DailyMed. RxReflex is not affiliated with or endorsed by the Pharmacy Technician Certification Board (PTCB).