It is a birth control pill that contains two types of hormones, ethinyl estradiol and norgestimate, and when taken properly, prevents pregnancy. It works by stopping a woman's egg from fully developing each month. The egg can no longer accept a sperm and fertilization (pregnancy) is prevented. Norgestimate and Ethinyl Estradiol package insert / prescribing information for healthcare professionals. Includes: indications, dosage, adverse reactions and pharmacology. What is this medication? NORGESTIMATE; ETHINYL ESTRADIOL (nor JES ti mate; ETH in il es tra DYE ole) prevents ovulation and pregnancy. It may also be used to treat acne. It belongs to a group of medications called oral contraceptives. It is a combination of the hormones estrogen and progestin. Unlike the combined birth control pills of norgestimate with ethinylestradiol, the combination of norgestimate with estradiol, sold under the brand name Prefest for menopausal hormone therapy, is reportedly only marketed in the United States and Brazil. Ethinyl estradiol and norgestimate: side effects, dosage, interactions, FAQs, reviews. Used for: abnormal uterine bleeding, acne, birth control, endometriosis, and more. Take this medication by mouth as directed by your doctor, usually once daily. Pick a time of day that is easy for you to remember, and take your pill at the same time each day. If you are taking the chewable tablet, you may either swallow it whole or chew it thoroughly and swallow. Norgestimate (NGM): A synthetic progestin (female hormone) used in birth control pills and patches, typically combined with ethinyl estradiol. It works by preventing ovulation, thickening cervical mucus, and changing the uterine lining. Overview: Norgestimate/ethinyl estradiol is a birth control pill used to help prevent pregnancy in women. Common side effects include headache, nausea and vomiting, breast discomfort, irregular. Norgestimate and ethinyl estradiol tablets 0.18 mg/0.035 mg, 0.215 mg/0.035 mg, 0.25 mg/0.035 mg are indicated for the treatment of moderate acne vulgaris in females at least 15 years of age, who have no known contraindications to oral contraceptive therapy and have achieved menarche. Norgestimate is a ketoxime, a steroid ester and a terminal acetylenic compound. It has a role as a contraceptive drug, a synthetic oral contraceptive and a progestin. Norgestimate was first described in the literature in 1977.