Question
A 14-month-old baby experienced left leg weakness and limping after receiving the hand, foot, and mouth disease vaccine. The inquiry is about the cause and solution.
Answer
Common side effects of vaccinations include fever and redness and swelling at the injection site. The baby’s left leg weakness may be related to the pain during the intramuscular injection. It is recommended for parents to continue observing, as this condition usually improves within 24 hours.