I had heart surgery the last week of July. Since then I'm taking a lot of new medicines. Lipitor, plavix,Lasix,Topril and potassium.After taking all these plus calcium and vitamin C for 4 months, my head started itching and won't stop, then I noticied a lot of my hair is falling out everytime I wash it or comb it. Also I'm very short of breath and have have been since surgery Could one or more of these medicines be causing it?