Ixiaro Side Effects

Generic name: japanese enceph vacc sa14-14-2, inactivated

Medically reviewed by Drugs.com. Last updated on Jun 12, 2024.

Note: This document provides detailed information about Ixiaro.

Applies to japanese enceph vacc sa14-14-2, inactivated: parenteral suspension for im use Side Effects associated with japanese enceph vacc sa14-14-2, inactivated. Some dosage forms listed on this page may not apply specifically to the brand name Ixiaro.

Applies to japanese enceph vacc sa14-14-2, inactivated: parenteral suspension for im use.

Side effects include:

Infants and children 2 months through 11 years of age: Fever, irritability, flu-like symptoms, diarrhea, vomiting, loss of appetite, rash, injection site reactions (pain, tenderness, erythema).

Adults and adolescents ≥12 years of age: Headache, myalgia, fatigue, influenza-like illness, nausea, injection site reactions (pain, tenderness, erythema, induration).

For healthcare professionals

Applies to japanese enceph vacc sa14-14-2, inactivated: intramuscular suspension.

General adverse events

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]

Local

• Very common (10% or more): Redness (17.6%), pain (15%)
• Common (1% to 10%): Tenderness, swelling, hardening, induration, edema, pruritus^[Ref]

Gastrointestinal

• Very common (10% or more): Diarrhea (11.5%)
• Common (1% to 10%): Vomiting, nausea
• Frequency not reported: Rectal hemorrhage^[Ref]

Other

• 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

Musculoskeletal

• Very common (10% or more): Myalgia (15.6%)
• Common (1% to 10%): Back pain^[Ref]

Nervous system

• Common (1% to 10%): Headache
• Frequency not reported: Febrile convulsions, multiple sclerosis
• Postmarketing reports: Paresthesia, neuritis^[Ref]

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.

One case of multiple sclerosis was reported in adult clinical trials.^[Ref]

Respiratory

• Common (1% to 10%): Pharyngolaryngeal pain, cough^[Ref]

Immunologic

• Common (1% to 10%): Nasopharyngitis, rhinitis, upper respiratory tract infection
• Frequency not reported: Appendicitis, limb abscess contralateral to injected arm

Dermatologic

• Common (1% to 10%): Rash
• Frequency not reported: Dermatomyositis^[Ref]

Hematologic

• Frequency not reported: Disseminated intravascular coagulation

Disseminated intravascular coagulation after suspected bacterial meningitis leading to death occurred in a 12 year old male patient 4 months after the second dose of this vaccine.

Cardiovascular

• Frequency not reported: Myocardial infarction

Myocardial infarction (MI) occurred in one adult patient with a history of MI, 3 weeks after receiving the second vaccine dose

Genitourinary

• Frequency not reported: Ovarian torsion

Metabolic

• Common (1% to 10%): Loss of appetite

Psychiatric

• Very common (10% or more): Irritability (15.3%)

Further information

Ixiaro side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.

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