Immunization Reactions

Symptoms   |    When to Call Doctor   |    Home Care   |    Categories List

Symptom Definition

• You believe your child is having a reaction to an immunization.
• Reactions to DTaP (Diphtheria, Tetanus, Pertussis), MMR (Measles, Mumps, Rubella), polio, Hemophilus influenzae type b, Hepatitis A, Hepatitis B, influenza, chickenpox (varicella)), pneumococcal and pneumococcusmeningococcal vaccines are covered.
• Most local pain and swelling at the injection site and fever occur within 2 days. Fever with most vaccines begins within 24 hours and lasts 2 to 3 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