Hi everyone. I did well on my first bottle of Phen 30.0 and now I started the 37.5 version. I upped the dosage for this bottle to see if it controlled hunger a little better and I'm hoping this will be the last bottle I'll need. It does control hunger better but I haven't been feeling right since I started it about a week ago. I have a very heavy feeling in the upper middle part of my chest. Sometimes my breathing feels weird. I can't describe it very good but if feels like I'm not getting enough air with my inhaling sometimes. I don't have the symptoms on the health warning sheet that came with my bottle though. I do have an occasional heart palpitation but I've had those for years if I eat certain foods or have too much coffee. My heart was checked not that long ago and was fine. I'm not sure what to do but something isn't feeling right. I'm thinking about the Phen-Fen disaster and am starting to worry if something is hurting me. I got my pills on-line so don't have a doctor to call and ask over the phone but if I feel worse of course I will go to a doctor. I was hoping someone here would recognize my symptoms and have advice for me. Thank you! I'm ashamed to be continuing the pills when I have this bad feeling about them but I've been so happy with the weight loss. Thanks again for any help.