What is red rash on the baby after vaccination?

The baby has red rash after vaccination, which is mainly caused by adverse reactions of vaccine, individual differences of baby itself, coupling situation, improper nursing and other reasons. Vaccine is a foreign antigenic substance for human body. Although it has undergone rigorous clinical trials and safety evaluation, it may still cause mild adverse reactions in individual babies, including rash, which is a manifestation of the immune system's reaction to vaccine. 2, the baby's own individual differences in different baby immune system response, some babies may be more prone to this skin reaction. For example, the baby itself belongs to allergic constitution, the probability of rash and other reactions after vaccination may be relatively high. 3. There is a coupling situation that the baby happens to be in the incubation period of a certain disease when vaccinated. After vaccination, the disease begins to appear, and the rash is only one of the symptoms, not completely caused by the vaccine. 4. Improper care, such as not paying attention to local cleaning after vaccination, may lead to infection, or passing the baby through multiple clothes to overheat the body. In addition, parents should closely observe the rash after vaccination. If the rash is not serious and gradually subsides, the baby is in good mental state and eats normally, and no special treatment is usually required.

However, if the rash persists, expands, is accompanied by fever, irritability, shortness of breath and other abnormalities, or parents are not sure about the cause and severity, they should take the baby to see a doctor in time so that the doctor can conduct detailed examination and evaluation, determine the specific cause and give corresponding treatment measures. At the same time, parents should pay attention to truthfully inform the doctor of the baby's vaccination situation and past medical history, which helps the doctor to make accurate judgments and decisions.