Kariva and Viorele have a similar Lively elements (and exact same amounts) of ethinyl estradiol and desogestrel that can help protect against pregnancy. Kariva and Viorele can be switched among one another and also other brand name names made up of the same Lively ingredients. Dose: one tab PO qd; https://manuelojzrg.shotblogs.com/the-single-best-strategy-to-use-for-viorele-birth-control-reviews-44289129