A breathing throat itchy, want to cough, may be reflux pharyngitis, asthma, acute pharyngitis and other diseases. 1. Reflux pharyngitis: when stomach contents reflux into the throat due to various reasons, it can corrode and irritate the mucous membrane of the throat, causing increased sensitivity of the sensory nerves of the throat, and itchy throat and cough may be triggered by breathing too cold or too dry air. 2. Allergic pharyngitis: the occurrence of this disease is the result of the combination of genetic and environmental factors, including pollen, air pollution, exercise, obesity, etc. It can be triggered by climate change, respiratory infections, mental stress, micronutrient deficiencies, etc., which leads to symptoms such as pharyngeal itching, coughing, shortness of breath, etc., which are obvious when inhaling. 3. Acute pharyngitis: The causes of this disease include viral infections such as adenovirus and coxsackievirus, as well as bacterial infections such as streptococcus and staphylococcus, which can also be secondary to acute tonsillitis, measles and other diseases. It is often triggered by irritating gases, dryness, and decreased immunity. There are many reasons for the tickling of the throat and the desire to cough as soon as you breathe, so you need to go to the hospital to clarify the specific cause.