Infant vaccination rash is best to stay in the vaccination place to observe thirty minutes, and do a good job of the baby local skin hygiene and cleanliness, under normal circumstances in 24 hours after the natural subside, if the situation can not be effectively subside, can be in the doctor’s advice to choose the drug treatment. Infants after vaccination rash is generally an allergic reaction, in the vaccination should be timely stay for observation, and give the baby a good local skin cleaning and hygiene, avoid contact with dust, smoke, pollen, sun exposure and other undesirable factors, under normal circumstances, the red rash will disappear after 24 hours on their own. If the infant’s rash can not subside effectively, and accompanied by fever, crying and other conditions, you can choose loratadine granules, budesonide ointment, cetirizine syrup and other medications under the advice and guidance of the doctor, if the infant has abdominal pain and diarrhea, breathing difficulties, pale, cold limbs and other serious conditions, it should be sent to the hospital in time to avoid affecting the health of infants. Drugs need to be used under the guidance of a professional physician, and should not be used arbitrarily on their own.