Different pathogenic bacteria invade the respiratory tract and induce different cold symptoms, some are fever, sore throat, headache, joint pain, nasal congestion, sneezing, etc. There will be people who find dry mouth, bitter mouth and even this symptom cannot be relieved, what is the situation. The first one is due to the effect of toxins produced by different disease-causing viruses on the body. The second is the liver detoxification, detoxification or a manifestation of the body’s own immunity, it is a state of resistance of the body to this virus, do not need to pay attention to deliberately, or to pay attention to rest, take drugs that help inhibit cold symptoms or even antiviral. At the same time, you should eat light, appetizing food and fresh fruits to help this situation to be relieved and recover quickly.