Frequency not defined:
Cardiovascular: Syncope, vasculitis
Central nervous system: Acute disseminated encephalomyelitis, ataxia, dizziness, Guillain-Barr? syndrome, headache, irritability, malaise, nerve deafness, paresthesia, polyneuropathy, retrobulbar neuritis, seizure, subacute sclerosing panencephalitis, transverse myelitis
Dermatologic: Erythema multiforme, IgA vasculitis (Henoch-Schnolein purpura/acute hemorrhagic edema of infancy), morbilliform rash, pruritus, rash, Stevens-Johnson syndrome, urticaria
Endocrine & metabolic: Diabetes mellitus
Gastrointestinal: Diarrhea, nausea, pancreatitis, parotitis, sore throat, vomiting
Genitourinary: Epididymitis, orchitis
Hematologic & oncologic: Leukocytosis, lymphadenopathy (regional), purpura, thrombocytopenia
Hypersensitivity: Anaphylactoid reaction, anaphylaxis, angioedema
Infection: Atypical measles
Local: Injection site reaction (including burning, induration, redness, stinging, swelling, tenderness, vesiculation, wheal and flare)
Neuromuscular & skeletal: Arthropathy (arthralgia/arthritis: Women 12% to 26%; children ?3%), myalgia, panniculitis
Ophthalmic: Conjunctivitis, oculomotor nerve paralysis, optic neuritis, optic papillitis, retinitis
Otic: Otitis media
Respiratory: Bronchospasm, cough, pneumonia, rhinitis
Miscellaneous: Febrile seizures, fever
<1%, postmarketing, and/or case reports: Aseptic meningitis (associated with Urabe strain of mumps vaccine), brain disease, encephalitis