What disease is throat itch old cough

First of all, we should consider the situation of acute pharyngitis, especially because of dry itching in the throat, congestion and edema in the mucous membrane of the throat, or allergic reactions to pollen dust, animal hair and the like. Cases belonging to allergic constitution will also show itchy throat and cough at the same time. Then pay attention to whether there is a cold before, or the immunity is relatively poor, often showing colds. Bronchitis serious performance of some pneumonia problems, but also this kind of cough and other symptoms, you can check the chest CT, there are blood routine problems, to see if there is blood system infection or virus infection, there are pneumonia and other conditions as well as mycoplasma infection caused by cough, throat itching, need to distinguish diagnosis, and then symptomatic treatment.