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What is Yaz?

Yas is a birth control pill which is technically a combination oral contraceptive (COC). COC drugs combine estrogen and progestin to prevent pregnancy by limiting ovulation, fertilization and implantation. Yaz (drospirenone and ethinyl estradiol) prevents ovulation (the release of an egg from an ovary) and also causes changes in the cervical and uterine lining, making it harder for sperm to reach the uterus and harder for a fertilized egg to attach to the uterus.

Yaz is used as contraception to prevent pregnancy and is also used to treat moderate acne. Yaz can be used to help with the symptoms of premenstrual dysphoric disorder (PMDD), such as anxiety, depression, irritability, trouble concentrating, lack of energy, sleep or appetite changes, breast tenderness, joint or muscle pain, headache, and weight gain.

Yaz and Yasmin are two of the most successful drugs that Bayer Healthcare Pharmaceuticals has sold. (Yasmin is Bayer’s lower-dose version of the pill.) Both contain the fourth generation progestin known as drospirenone.  This drug is supposed to improve symptoms of PMS as well as acne. However, it also comes with greatly increased risks and side effects.


Bayer's Yaz became a popular form of birth control.