The symptoms of allergic dry cough are mainly long-term recurrent dry cough, often over 3 weeks, induced after inhalation of irritating odors, cold air, indoor air pollution and harmful gases, exposure to own allergens such as pollen, dust mites, mold, animal fur, exercise or upper respiratory tract infection. Specific allergic dry cough how to treat, there are several aspects: 1, the most important is the inhalation of glucocorticoids, inhalation of glucocorticoids need to last for at least 3 months to avoid relapse. Commonly used is a mixture of hormones and beta2 receptor stimulants. Here the patients themselves need to improve their understanding of hormones, the amount of inhaled hormones is very little, the side effects of hormones are said to be a large number of long-term systemic use of hormones, the side effects of local inhaled hormones are not very large, can not be choked. 2.Tracheal dilators, such as inhaled or oral beta2 receptor stimulants, can relieve the symptoms of allergic dry cough. 3.Anti-allergic treatment, drugs used to counteract allergic reactions such as cetirizine, loratadine, sodium cromoglycate, etc. If recurrent attacks occur after stopping the drug, the allergen should be identified as soon as possible. 4. Leukotriene receptor antagonists, such as montelukast sodium. If you have symptoms of allergic cough, you should pay attention to reducing activities, increasing rest time, and keeping your head and chest slightly higher when lying in bed to keep your breathing open. In addition, you need to keep the indoor air fresh and maintain the appropriate temperature and humidity.