Hello I appreciate your concern chronic cough for long duration warrants detail evaluation to find out the underlying cause which can be any of these infection or inflammation of the respiratory tract COPD allergic reaction Tuberculosis Lung cancer If I were your treating your doctor I would have advised you for a battery of tests after thorough clinical examination like blood for hemoglobin, CBC, ESR, Sputum microscopy and an X ray chest In my opinion you should take anti allergic drugs like levocetirizine or fexofenadine for 7 to 10 days Try to find out any trigger for cough and avoid it Deep breathing exercises Steam inhalation cough lozenges during cough bouts If it doesn t improve with this than you must visit your doctor for investigations to confirm the diagnosis and treatment accordingly Hope this answers your question thanks for using our services please feel free to ask for more clarification, Wish you good health