Colds are actually inflammation of the upper respiratory tract caused by the cold virus, which includes the nasal cavity, throat, and most commonly some rhinoviruses. The virus that causes colds spreads mainly through human-to-human contact, but also through droplet transmission.

There are some common symptoms that tend to occur during a cold, such as sneezing, nasal congestion, runny nose, discomfort, and cough, sore throat, headache, and some other symptoms of low fever. Colds are self-limiting, meaning they can get better without medication. If the cold is really uncomfortable, you can take some drugs to deal with the symptoms.

Precautions and key notes for colds:

Don't blindly take medicine when you have a cold, especially infusion, such as when you have a cold and a fever, you may want to restore your health urgently, or the doctor suggests, so you choose infusion to treat your cold. If for the gastrointestinal absorption is not good and is a heavy cold, only consider infusion treatment. In general, Western medicines can be taken, but certain Chinese medicines are also an option.

When you have a cold, you should not be too tired or do strenuous exercise, and it is most important for you to have a good rest, drink plenty of warm water, do not eat cold, stimulating, greasy and fried food, do not smoke and drink alcohol, and keep your mood relaxed. Although you are not in a good mood when you have a cold, you can talk to your friends about happy things or watch happy programs to keep your mood relaxed, which is conducive to the recovery of a cold.

Reference: Baidu Encyclopedia - Cold and Flu