What should I do if I have a fever after the third injection of COVID-19 vaccine? Can I take medicine after the third injection of COVID-19 vaccine?

COVID-19 vaccine refers to novel coronavirus vaccine. After the third dose of novel coronavirus vaccine is injected, the fever can be treated by physical therapy and drugs to help lower the body temperature and relieve the symptoms of fever.

1. Physical therapy: After the third injection of novel coronavirus vaccine, it will stimulate the immune system, and may also stimulate the thermoregulatory center, leading to fever, which is a common adverse reaction of the vaccine. At this time, the body temperature is generally below 38.5℃, and most of them can recover on their own after 1-3 days. You can also choose to wipe the armpits, palms and other parts with a towel dipped in warm water, so that the heat in the body can evaporate through the evaporation of water, which can play a role in cooling down. In addition, you can also help reduce fever by sticking antipyretic stickers and taking warm baths, and you need to replenish water in time;

2. Drug treatment: If the fever continues after the third dose of novel coronavirus vaccine, or the body temperature exceeds 38.5℃, it may be caused by the infection of bacteria, viruses and other pathogens by the immune system after vaccination. Professional doctors should make diagnosis and treatment to further clarify the cause, and ibuprofen tablets, acetaminophen tablets and other antipyretic drugs can be taken according to the doctor's advice. At the same time, blood routine examination should be improved to clarify the reasons. If there is bacterial infection, you can take antibiotics such as cefixime dispersible tablets and roxithromycin tablets according to your doctor's advice. If you have a virus infection, you can take antiviral drugs such as ribavirin capsules and oseltamivir phosphate granules according to your doctor's advice.