Cold and flu has been running nose can be through the anti-allergy, nasal rinsing and so on to relieve the symptoms. 1. Anti-allergy: cold and flu has been running nose may also be due to allergic factors, at this time can be appropriate application of anti-allergy drugs to treat, such as chlorpheniramine maleate, loratadine, etc., this kind of drug has a sense of drowsiness of the adverse reaction, should pay attention to not excessive, so as not to exacerbate the condition, it is recommended to take under the guidance of the doctor. 2. Nasal irrigation: colds have been runny nose, if necessary, you can also carry out nasal irrigation to relieve the symptoms, can reduce the secretion of nasal mucus. The above medications should be used in a standardized and reasonable manner under the guidance of a professional physician and pharmacist. If the symptoms fail to improve or even gradually worsen, you need to consult a regular hospital in a timely manner, and cooperate with the doctor to improve the examination and standardized treatment.