"i have been on and off birth control for about 10 years. i&#039;ve tried mirena, loestrin 24, ortho tri-cyclen lo. i always had a little nausea, but yaz was the first pill to make me vomit. i&#039;ve been the same size for 10 years but while on yaz i gained about 15 pounds and went up two cup sizes!  i do have loss of appetite but i&#039;m hungry all the time. what i mean is i don&#039;t want to eat but the hunger is so intense that i have to. 
my period was also never ending. but that may be due to me missing a few pills this month."