Plan B One-Step, Fallback Solo (next choice one dose)


This drug can be purchased over-the-counter and does not require a prescription.

Plan B One-Step is part of the Progestins class and treats Emergency Contraceptive. Progestins are used for birth control and emergency contraception. They are also used to treat irregular menstruation, breast cancer, uterine cancer, endometriosis, and for weight gain. Progestin is a synthetic hormone similar to progesterone, which can help prevent the growth of the uterine lining. Plan B One-Step is available in both brand and generic forms.

Other Emergency Contraceptive Drugs

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