Common treatments for allergic cough are as follows: 1. Remove allergens, avoid the stimulation of cold air, or change the living environment to remove allergens from the air; 2. Increase the body’s resistance, and use cold water to stimulate and clean the nasopharynx in winter and spring. In the winter and spring, cold water can be used to stimulate and clean the nasopharynx. When you go out, you must wash your hands, nose, nasal cavity and mouth. 3. In case of co-infection, anti-inflammatory and antibacterial drugs should be added.