Hi, I'm a 19 year old female and blew this off at first. It's probably nothing but I just want to make sure theirs not a problem, I began noticing that when I lay down to go to bed or am not moving (I usually don't feel this pain when I'm sitting up) my left clavicle/ collar bone area begins to ache and hurt. It's to the point where I can't sleep and have to take Advil for it, I also noticed that around this same area and on my chest, I get rashes. small, red almost hickey like rashes. They don't itch but they disappear. I don't know if this is a heart condition or normal. My heart has a slight murmur and I know if I strain myself too much my entire face gets red and flushed and my body gets extremely hot. I just want the pain to stop. Please.