1. Do a complete blood examination like cbc, esr, mantoux test, x ray chest, sputum examination for afb.
2. Consult chest physician with report.
3. If all reports are normal it could be due to allergy. Do an allergy test after consulting allergist/immunologist and follow the advice and treatment
4. Do warm saline gurgling 3-4 times daily,
5. Avoid smoking if you smoke.
6. Consult me for further advice.