What is this sharp pain above my left breast when breathing in?

sometimes the pain will spread up through my neck and left shoulder and shoot down my back.

Ok, I'm a 14 year old male. About a week ago when I came home from the movies, I began to have pain underneath my left breast, behind my ribs. Each time I inhaled, it hurt. The deeper I inhaled, the more it hurt. It stayed like that all night and continued...

I'm 21 years old. Earlier this morning I was coughing very hard & sneezing violently. It's been about 10 hours now, & I was resting on the couch while my fiancé did homework. I suddenly had a horrible sharp pain under my left side breast...

It just started last night.it's like a grabbing,stinging,or even gnawing pain in my left breast.it's been going on since I woke up too. My dad thinks I may have pulled a muscle but I'm not sure... I don't think it's a sign of a heart attack because heart...

I've had this problem for a really long time, perhaps even a year or more. Occasionally I experience pain on the left side of my chest, it's like a dull pain, or more like discomfort, like I have something heavy there, like a rock or something, and it...

i have been having pain in my left breast kinda above my left breast toward my cleavage a bit it goes about half way of my breast it really hurts.. if i move in anyway it hurts laying down hurts moving forward hurts turning my head to the left hurts...

no immature answers please.. i know what people are like on here.. well i was walking with my friend then suddenly i got this sharp pain in the left side of my body just above my breast and i had abit of trouble breathing.. it didnt stop me walking but...

for about 5 days now iv been experiencing continuious pain in my chest and entire left side, specifically under my rib cage directly below my left breast. throughout the days the pain has just gotten more and more imbareable. it has also come with an...