Hello, when you receive cold air, you will have a runny nose because of sensitivity, such as runny nose or stuffy nose in the morning, which is often caused by allergies. This kind of runny nose is clear water, but it will also run when you have a cold. If it is yellow, it may be infected with a virus.
Suggestion:
It is recommended to take Sangju Ganmao Tablet, Ganmao Granule, Banlangen Granule, Yinqiao Jiedu, Liushen Pill, vitamin C, etc.