What Is The Cause Of Cough?

thanks for asking your question I completely understand your problem you need to visit a pulmonologist who can get some investigations like spirometry and sputum culture for pyogenic bacteria if your chest xray is normal. causes of cough persistent cough can be upper or lower resp tract infections ,bronchial asthma, tuberculosis, bronchitis, copd, and some of the cardiac problems. your pulmonlogist may prescribe you with some broad spectrum antibiotics like cefexime for a week or two, and some inhaled drugs if needed, and may give you some cough syrup like ambroxol which will ease clearing up the sputum and will cause some bronchodilatation. for sinus infection u need to take some leukotriene inhibitors like monteleukast or an antihistaminic like fexofenadine after pulmonologists opinion thanks /regards feel free to ask more questions may god bless you with good health