Thanks for the posting your query.
You are most likely suffering from upper respiratory tract
infection ; mostly viral in nature.
You should consult with internal medicine specialist and should go for thorough check up.
You should go for chest x ray
, complete hemogram and ESR.
Pin in chest may be due to lower respiratory infection or due to muscle sprain
You should take cough
suppressants, decongestants, throat soothing and antipyretics.
You should also take muscle relaxants also.
You should also perform gargles three times in a day.
Dr. Mayank Bhargava