For allergic cough caused by rhinitis, the following drugs are mainly applied: 1. Anti-allergic drugs, mostly antihistamines are most common, such as kelthane, desloratadine, levocetirizine hydrochloride oral solution, etc. 2. Leukotriene receptor antagonist drugs, commonly known as cisplatin, also called montelukast sodium tablets. This drug can reduce the hyperresponsiveness of the airways and also reduce allergic reactions, alleviating the patient’s cough and other related symptoms.3. Other drugs, such as those for allergic rhinitis, can be taken orally as appropriate under the guidance of a respiratory medicine doctor to relieve the symptoms of allergic cough. Allergic cough induced by rhinitis, a common disease may be cough variant asthma, etc. It is recommended that blood be drawn for allergens to see what the patient is allergic to, and avoiding allergens can have a significant therapeutic effect on rhinitis as well as allergic cough. If the patient is exposed to a lot of allergens during the medication, the effect of the medication is not ideal.