Our expert says:
It could have an association with something irritating the diaphragm at the LEFT like a pneumonia or infection (but not the liver or gall bladder which would give pain on the Right side) It may also be associated to a trigger point in a muscle in the back or neck. Pain in the L arm could also be due to heart problems ( angina)
The information provided does not constitute a diagnosis of your condition. You should consult a medical practitioner or other appropriate health care professional for a physical exmanication, diagnosis and formal
advice. Health24 and the expert accept no responsibility or liability for any damage or personal harm you may suffer resulting from making use of this content.