Most reactions to vaccines are common and harmless. Listed below are the symptoms for a severe allergic reaction as well as common reactions to specific vaccines. The percentage listed next to each reaction shows the percentage of children who have the reaction.
Most reactions are common and harmless.
Giving your child ibuprofen or acetaminophen and placing a cold, wet washcloth over the tender area may provide some relief. The next time your child gets a DTaP shot, start giving acetaminophen in the physician's office and continue the medicine every 4 to 6 hours for 24 hours. The lump is harmless and will disappear in about 2 months. Call your physician within 24 hours if it turns red or is tender. Any other unusual reaction.