Symptoms of colds can be categorized into systemic symptoms, respiratory symptoms, and gastrointestinal symptoms. Colds have a certain degree of self-healing, but patients with severe symptoms or secondary infections need to apply drugs under the guidance of physicians.
1. Systemic symptoms: patients may have fever, fatigue, headache, dizziness and other symptoms. Most of the colds are caused by viral infections, and these symptoms may appear due to the inflammatory reaction after the virus invades the human body.
2. Respiratory symptoms: patients may have a runny nose, sneezing, nasal congestion, coughing, coughing up phlegm and so on. Due to pathogenic microorganisms invading the human body caused by the respiratory tract inflammatory response.
3. Gastrointestinal symptoms: some people may have nausea, vomiting, loss of appetite, anorexia and so on. The invasion of pathogenic microorganisms into the human body can cause some digestive symptoms.
Need to go to the hospital, the physician according to the condition of the treatment, you can not blindly indiscriminate use of drugs.