Severe physical symptoms are considered as follows: 1. Respiratory system reactions, such as poor breathing, insufficient breathing, and chest congestion. 2. Cardiovascular and cerebrovascular symptoms, such as weakness, dizziness, headache, increased heart rate, accelerated heartbeat, and insomnia. 3. 4. generalized muscle pain or muscle stiffness, as well as soreness and pain in the lower back and head and neck may occur. Once the above symptoms appear, you should go to the relevant departments of the hospital for a comprehensive physical examination in a timely manner, and then take appropriate treatment measures according to the examination results.