Swelling at the vaccine injection site in an 18-month-old?
⚡ Short answer: After live virus vaccines like MMR (measles-mumps-rubella) or varicella (chickenpox) given at 18 months, swelling, redness, and firmness at the injection site can appear within 1-2 days and usually resolve within 3-5 days.
Anonymous
18 aylık bebek annesi · Health
Swelling at the vaccine injection site in an 18-month-old?
Maiyko AI ADVISOR
The real reply from the in-app AI advisor
After live virus vaccines like MMR (measles-mumps-rubella) or varicella (chickenpox) given at 18 months, swelling, redness, and firmness at the injection site can appear within 1-2 days and usually resolve within 3-5 days. If the swelling is smaller than 3-4 cm, the baby isn't excessively scratching or complaining, a cold compress is enough while you wait. If swelling grows the next day, is very tender to touch, is hot and bright red, or if your baby has fever above 38°C, contact your pediatrician.
⚕️ Health note: This answer is for general information only; it is not medical advice. Every baby is different — for decisions about your baby's health, consult your pediatrician.
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