Wierd pain above breast but below collar bone on the left side of My chest what could this be? :

This may be. from a pinched nerve in your neck at C6-7 level(s) (or the early signs of SHINGLES in that nerve) This can cause referred pain to your shoulder/upper chest! Check it out with your Primary Care Provider! Hope this helps! Dr Z.
Hard to say. You will need to discuss chest pain (how long, how hard, how bad, how much worse) with a doctor. It is not going to be a heart attack since you are twenty. It is likely to be gone within hours, if not, seek medical attention.

Related Questions

I have pain on the left side of my body, rib cage, breast and collar bone. What could be the reason?

Get examined. It seems this is a distribution of a nerve and likely from the long thoracic nerve due to the extent of involvement up and down and not along a dermatome alone. This is probably from your cervical spine. Other things can cause this like zoster but no rashes has been mentioned. Go see your doctor and have an exam and have it explained to you. Read more...

What could be causing me to have sharp pain and tightness in the upper right side of my chest above the breast near my armpit under collar bone?

Strain. If you recently did more or different physical activity than usual or injured yourself you could have injured a rib muscle, shoulder tendon or joint in your collar bone (AC joint) . Read more...

I have a constant moderate pain on the right side of my chest, from my collar bone to right under my breast. Myright arm/shoulder has the same pain and it hurts to take deep breaths, sigh or yawn. What should I do?

Various possibiliti. There are a variety of possible causes.Not enough info to be specific...Tests to consider include: chest x-ray, CBC with diff, ear. A good history and physical exam will direct the effort to understand what is going on. Read more...
Costochondritis. You may have costochondritis on the right side of your chest. However, this is only one of quite of few possible issues. It is best to get at least an xray of the area to start ruling out more serious issues. Read more...
Slipped rib. Is likely based on the description. It hurts to yawn and to take deep breaths in slipped rib syndrome. See a an osteopathic family physician who does manual manipulation. You need physical exam, imaging and possibly manual therapy. Read more...