Hi,
First of all you need to be evaluated for the cause of cough.
Get a chest Xray,
Sputum Culture (if cough is productive), and routine blood counts.
Do you have a recent past history of an upper
respiratory tract infection (
Sore throat, fever, cough)?
Do you have complains of gastric acidity (Bloating, burping, burning in chest)?
Once we get to the cause of cough, management can be a lot easier.
In the mean time, your pain is apparently due to muscular staring while coughing (though an underlying aetiology needs to be rules out, and Chest Xray or USG Chest shall help).
If the pain is muscular, consider taking Capsule
Tramadol 50 mg three times a day.
Pantoprazole 40 mg Once a day along with your antibiotic shall suffice. Mucinac being a cough expectorant is also fine to loosen up the cough.
Note: NEVER USE A COUGH SUPRESSANT IN A PRODUCTIVE COUGH, AS IT IS USUALY COUNTERPRODUCTIVE. Unless advised by your doctor in special cases.