http://www.medications.com/effect/view/41845 i have been on yaz for 8 days and for 8days i have had my period i had cramps so bad i couldn't get out the bed for 2 days constant headaches leg cramps tired but can't sleep dizzy sick stomach very moody i would not recommend this pill to anyone at all i Mon, 13 Jul 2009 13:02:10 -0400 http://www.medications.com/effect/view/41845?item=21469 I have been on yaz since June 17th. My doctor wanted me to change pills because the pill I was taking caused my face to break out with the mask of pregnancy. I'm 42 and have thyroid disease and my hormones have been out of control. I was put back on the http://www.medications.com/effect/view/41845?item=21469