Japanese enceph vacc sa14-14-2, inactivated Side Effects
Medically reviewed by Drugs.com. Last updated on June 12, 2020.
For the Consumer
Applies to japanese enceph vacc sa14-14-2, inactivated: parenteral suspension for im use
Side effects include:
For Healthcare Professionals
Applies to japanese enceph vacc sa14-14-2, inactivated: intramuscular suspension
The most common adverse events in adults were injection site reactions, headache, and myalgia. The most common adverse events in adolescents (12 to under 18 years) were injection site pain and tenderness. The most common adverse event in children (1 to under 12 years) was fever. The most common adverse events in infants (2 months to under 1 year) were injection site redness, fever, irritability, and diarrhea.[Ref]
Very common (10% or more): Redness (17.6%), pain (15%)
Very common (10% or more): Diarrhea (11.5%)
Common (1% to 10%): Vomiting, nausea
Frequency not reported: Rectal hemorrhage[Ref]
Very common (10% or more): Fever over 99.9F (23.7%), flu-like symptoms (13.3%), fatigue (11.3%)
Common (1% to 10%): Excessive fatigue
Frequency not reported: Chest pain, orthopedic injuries
Very common (10% or more): Myalgia (15.6%)
Febrile convulsions only occurred in patients under 3 years of age, onset was 2 days to over 5 months after vaccination with no apparent temporal clustering.
Common (1% to 10%): Headache
Frequency not reported: Febrile convulsions, multiple sclerosis
Common (1% to 10%): Pharyngolaryngeal pain, cough[Ref]
Common (1% to 10%): Nasopharyngitis, rhinitis, upper respiratory tract infection
Frequency not reported: Appendicitis, limb abscess contralateral to injected arm
Common (1% to 10%): Rash
Frequency not reported: Disseminated intravascular coagulation
Myocardial infarction (MI) occurred in one adult patient with a history of MI, 3 weeks after receiving the second vaccine dose
Frequency not reported: Myocardial infarction
Frequency not reported: Ovarian torsion
Common (1% to 10%): Loss of appetite
Very common (10% or more): Irritability (15.3%)
1. "Product Information. Ixiaro (Japanese encephalitis virus vaccine SA14-14-2)." Valneva USA, Gaithersburg, MD.
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Some side effects may not be reported. You may report them to the FDA.