What is whitecough?

White Cough is not a particular label and it's just a cough with white phlegm. It can be caused by Allergies, post nasal discharge or an Asthmatic cough. If it is sinus then the sinus drip runs down the back of the throat and can cause a sore throat and also create a cough. It it continues for more than a week to 10 days please see your doctor and he/she may order a CT Scan done.