"i&#039;ve been on sprintec for three years now and have had a roller coaster of experiences with it. sometimes it makes me so sick i swear i&#039;m going to get off of it and take something else. and then at other times i don&#039;t even notice it. i would say my most common side effects are sudden onset nausea and headaches. every so often i also experience some hot/cold flashes with it."