After the baby after the group A influenza vaccine runny nose low fever recommended physical cooling can be, if there is a high fever of 38.5 ℃ or more need to consult a doctor in time can be treated with medication. Runny nose and low fever after the Group A vaccine is a common adverse reaction, which belongs to the normal category, generally do not need to worry too much. As long as the fever is below 38.5 ℃, generally take the cooling treatment, while the symptoms such as runny nose can be relieved after the temperature control. For specific cases, it is recommended to consult a doctor for further treatment. However, if the body temperature continues to rise, runny nose and other symptoms are not obvious, then do not rule out the possibility of upper respiratory tract infection, pneumonia and other diseases, need to consult a doctor in a timely manner, the use of acetaminophen and other antipyretic drugs under the guidance of the doctor for symptomatic treatment.