Hepatitis a pediatric vaccine Side Effects
Applies to hepatitis a pediatric vaccine: intramuscular suspension
Your child should not receive a booster vaccine if he or she had a life-threatening allergic reaction after the first shot.
Keep track of any and all side effects your child has after receiving this vaccine. When the child receives a booster dose, you will need to tell the doctor if the previous shots caused any side effects.
Becoming infected with hepatitis A is much more dangerous to your child's health than receiving the vaccine to protect against it. Like any medicine, this vaccine can cause side effects, but the risk of serious side effects is extremely low.
Get emergency medical help if your child has any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if the child has any of these serious side effects:
extreme drowsiness, fainting;
fussiness, irritability, crying for an hour or longer;
seizure (black-out or convulsions); or
high fever (within a few hours or a few days after the vaccine).
Less serious side effects include:
mild fussiness or crying;
dizziness, tired feeling;
nausea, vomiting, stomach pain, diarrhea, loss of appetite;
sore throat; or
swelling, redness, or a hard lump where the shot was given.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.
Not all side effects for hepatitis a pediatric vaccine may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.
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