Hi welcome to HCMForum. It is not wise to to stay for so long on cough
iadvise you to consult a chest physician for diagnosis and treatment. you may have to take Xray blood tests TC DC ESR
AEC and some other routine tests for confermation.
Besides i advise you some diet recomendations as avoid taking fruits juices ice water ice cream cooldrinks brinjal and sea foods.
Take more of green leafy vegetables pulses sprouts egg meat to build up resistance.
Wishing for a uick recovery. and thanks for calling.