Cold, also known as acute upper respiratory tract infection, is a general term for acute inflammation of nose, pharynx or larynx.

Most of them are caused by virus infection, including rhinovirus, adenovirus, influenza and parainfluenza virus, and 20% to 30% of the sensation is caused by bacteria.

Various reasons that lead to the decline of the whole body or local defense function of respiratory tract, such as cold, rain, sudden climate change, fatigue, etc. , will lead to the rapid reproduction of viruses or bacteria, thus inducing diseases. Due to congestion of nasal mucosa, it can be manifested as nasal congestion, runny nose and other symptoms. Drink plenty of water, pay attention to rest, increase nutrition, take a cold break, run and other sports fatigue to strengthen physical load, which is easy to cause resistance decline and is not conducive to cold recovery.

Extended content:

The difference between wind-cold and wind-heat:

First, whether there is sweating, patients with wind-heat colds sweat more, and patients with wind-cold colds sweat less; Secondly, we can distinguish it from the characteristics of his cough phlegm. The characteristic of wind-heat and cold phlegm is turbid phlegm. The phlegm caused by cold and cold is thin and white; Thirdly, we can judge from the characteristics of the nose that the wind-heat runny nose is often yellow and turbid, while his wind-cold runny nose is often clear water.

Reference: People's Health Network-Cold-Wind-Heat