- You believe your child is having a reaction to a recent immunization
- Reactions to DTaP (Diphtheria, Tetanus, Pertussis), MMR (Measles, Mumps, Rubella), polio, Hemophilus influenzae type b, Hepatitis A, Hepatitis B, Influenza, Chickenpox (varicella), pneumococcal, meningococcal, Rotavirus and Human Papilloma virus vaccines are covered.
- Most local swelling, redness and pain at the injection site begins within 24 hours of the shot. It usually lasts 2 to 3 days, but with DTaP can last 7 days.
- Fever with most vaccines begins within 24 hours and lastsÂ 1 to 2 days.
- With live vaccines (MMR and chickenpox), fever and systemic reactions usually begin between 1 and 4 weeks.
Severe allergic reactions are very rare, but can occur with any vaccine.