This all be due to Lower Respiratory tract
Infection that can cause Pleuritic chest pain
that is Chest pain accompanied by Breathing and Coughing.
Have a chest Xray.
Yo u can have a complete treatment for that, That includes a combination of
1. An antibiotic that mostly respond to lower respiratory tract infection is Tab. Avelox
400 mg once daily for 05 days.
2. An oral decongestant that is Tab. Telfast
D twice daily for 07 days.
3. Pain killer such as Tab. Ibuprofen
400 mg thrice daily for 05 days.
4. An antitissive for cough that includes Syrup. Acefyl cough 02 TSF thrice a day for 07 days.
Nothing to worry about you will be fine in a day or two with that treatment.
I hope I am successful in colving your query if you have more you can ask me
Take care and good rest
Dr. Azhar Sattar