I have sharp pain under left breast when breathing. What's wrong?

Probably. Slipped rib syndrome or costochondritis. Rarely it could be inflammation of lung lining, but if you're not otherwise febrile or ill, rib problem is more likely. See your doctor for an exam.

Related Questions

I was laying on my left side when a sharp pain started on my side then under my left breast. I had shallow breathing, I heard pop then it went away?

Rib Injury? Tough to say, but with your history, you may have sustained a minor rib injury, such that a rib may have strained itself. The only real way to know what happened is to get an evaluation if your symptoms persist and or return, best wishes. Read more...

Sharp pain in left breast sometimes when breathing in. Happens once in a while and lasts for about a minute. Only hurts when breathing in but it's worst pain I have ever felt.

See a doctor. Pain in the breast while breathing in is not a specifically recognized sign of anything, however anytime a patient describes something as "worse pain i ever felt" that means you need to see a doctor asap, possibly even go to the er. Read more...

Why am I having sharp pain when breathing deeply under left breast bone, and it's been happening for over 24 hours?

If it hurts when you. Touch. ;then it's either caused from pressure on the area or costochodritis;inflammation of breastbone.If it moves it's probably gas. Read more...