Possible side effects after hepatitis B vaccine
In a small percentage of children, as with any other medicine, it can cause transient side effects such as:
- locally: pain, redness and hardening
- loss of appetite,
- drowsiness,
- irritability, insomnia
- feeling tired
- headache,
- vomiting, diarrhea
- slightly increased body temperature.
These reactions are mild and disappear spontaneously within a few days.
After vaccination, serious allergic reactions are extremely rare (less than 1 out of 10 000 recipients) in the form of: swelling of the face and neck, difficulty breathing, severe weakness with dizziness and loss of consciousness, blue skin discoloration, most often while a child is still in a pediatric clinic.
Tips:
If, after leaving the health institution, your child develops any of the listed allergic reactions, contact a pediatrician or emergency department immediately.
It is advisable to stay in the waiting room for another ten minutes after the vaccination in order to monitor the child's behavior.