Mavacamten will lower the level or impact of ethinylestradiol by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Progestin and ethinyl estradiol are CYP3A4 substrates. Mavacamten may well lower systemic exposures of ethinyl estradiol and progestin, which may bring about contraceptive failure or a rise in breakthrough bleeding. https://juliuskmmih.estate-blog.com/29700246/about-wymzya-fe