Respected user , Hi Thanks for using Healthcaremagic.com I have gone through your concern in depth . * There are different conditions which may give rise to the same as - bronchitis - severe upper respiratory infections - tonsillitis - pneumonia - pulmonary tuberculosis - others . * Need to consult physician for proper evaluation physically and get necessary laboratory tests , x-ray , diagnostic bronchoscopy or further according to the clinician concern . Thanks . Wishing him fine recovery from the same . Regards dear .