http://www.medications.com/effect/view/30895 I took Yaz for about 6 weeks. After week 4 I noticed I had heart palpitations, shortness of breath, abnormal mood swings - always upset and easily frustrated by the smallest things. The change in my mood was noticed by everyone from my family and boyfriend Thu, 29 May 2008 16:52:48 -0400 http://www.medications.com/effect/view/30895?item=8720 Interesting that you are young, healthy and athletic and you had these kinds of problems. I am not as young (was 41 when I had a pulmonary embolism as a result of 6 months on Yaz) but I was an elite level competitive swimmer through college and I'm still http://www.medications.com/effect/view/30895?item=8720 Sat, 21 Jun 2008 13:13:48 -0400 http://www.medications.com/effect/view/30895?item=9368 I had the same side effects. One night I felt like I was having a heart attack. I went to the ER and they couldnt find anything wrong with me. To this day I didnt know what was the problem until I read your posting. YAZ is the worst pill I have ever take http://www.medications.com/effect/view/30895?item=9368 Fri, 18 Jul 2008 22:08:17 -0400 http://www.medications.com/effect/view/30895?item=10255 I agree. Yaz is the worst BCP I have ever been prescribed. First, it made me nauseated for the first two months. To claim to help with PMDD, month three brought severe mood swings, which I normally did not experience. Please understand that I know we can a http://www.medications.com/effect/view/30895?item=10255