"every 2 years or so i switch birth control pills to get my body used to something new. other than yaz making me border line psychotic, aviane is next at the bottom of the list. i&#039;ve been on it for about 6 months now and i had to go back to what i was on before. if i didn&#039;t take it at the exact same time every day, i would spot and after month 3 i bled for 2 weeks straight. my acne is the worst it&#039;s ever been and i know aviane caused the cystic acne on my chin every month. "