No treatment is needed if the baby is not unwell after taking a bath after vaccination. If the baby bathing after vaccination shows signs of redness, swelling, heat and pain at the injection site, pus, fever, etc., medication is needed, as well as general measures to regulate. Bathing after vaccination, if the baby did not show signs of discomfort, you can not take measures to treat. In this case, it is necessary to wipe the injection site clean of moisture and disinfect it with iodophor. If the baby bathing after vaccination shows signs of infection, such as redness, swelling and pus at the injection site, as well as fever. It is recommended that antibiotics such as amoxicillin and cefadroxil can be used under the guidance of a doctor. For babies with fever more than 38.5 ℃, you also need to follow the doctor’s advice to use ibuprofen suspension, acetaminophen suspension and other antipyretics. If your baby’s temperature does not exceed 38.5℃, you can cool your baby down by taking warm water baths and applying fever-reducing patches. It is recommended that babies should not take a bath for 24 hours after vaccination. If your baby has taken a bath after vaccination, you need to bring your child to the doctor in time if there are any uncomfortable symptoms, and the doctor will choose the appropriate measures to treat the condition.