Results: We find out following causes of dyspnea other than asthma and COPD which are: pneumonia (8.47%), bronchitis (29.66%), lung tuberculosis (4.24%), endobronchial tuberculosis (2.54%), broncho-tracheal tumor (1.69%), reactive airways dysfunction syndrome (3.39%), postintubation tracheal stenosis (0.85%), congenital abnormalities of the bronchus (0.85%), foreign body of the bronchus (0.85%), primary pulmonary fibrosis (0.85%), atelectasis (0.85%), vocal cord dysfunction (5.93%), vocal cord paralysis (1.69%), interstitial lung disease (0.85%), gastroesophageal reflux disease (GERD) (24.58%), heart failure (2.54%), hypertension (1.69%), sleep apnea (1.69%), post-nasal drip syndrome (1.69%), psychogenic causes (0.85%), pulmonary hilar mass (0.85%) and unexplained shortness of breath (0.85%).