Allergic cough refers to a kind of cough that occurs when the airways are allergic to a substance from the outside world, and this kind of cough does not belong to the characteristics of asthma or cough variant asthma, but patients with cough caused by allergies have an increased risk of severe asthma. How to treat cough: dietary therapy has a lot of medical experience, due to allergic cough, most of them belong to the wind cough or cold cough, you can use some brown sugar and ginger water plus mother of pearl and pear, silver ear, etc., boiled into a delicious dietary therapy, can play a very good role in the treatment of allergic cough. In addition, eat more white food, such as silver fungus, lotus seed, barley, tofu, etc., for cough also has a very good auxiliary therapeutic effect. Allergic cough can be treated by avoiding contact with allergens and supplementing with medications and dietary treatments.