Loryna is a combination hormone drug that prevents pregnancy. It has a progestin, drospirenone and an estrogen, Ethinyl estradiol. Loryna belongs to a drug class known as the contraceptives. It is available in several brand names some of which are: Gianvi, Loryna, Syeda, Vestura, Ocella, Yaz, Yasmin, Zarah. Loryna inhibits ovulation by providing non-conducive fertilization environment.