nˈoʊn sˈaɪd ɪfˈɛkts ɪŋklˈuːd bæktˈɪɹiəl sˈɛpsɪs, vˈaɪɚɹəl mˌɛnɪndʒˈaɪɾɪs, ɪnvˈeɪsɪv fˈʌŋɡəl dɪzˈiːz ænd pɹəɡɹˈɛsɪv mˌʌltɪfˈoʊkəl lˌuːkoʊnsˌɛfɐlˈɑːpəθi pˌiːˌɛmˈɛl, ɐ bɹˈeɪn ɪnfˈɛkʃən kˈɔːzd baɪ ɹɪˌæktɪvˈeɪʃən ʌv lˈeɪtənt dʒˌeɪsˈiː vˈaɪɹəs ɪnfˈɛkʃən.
Known side effects include bacterial sepsis, viral meningitis, invasive fungal disease and progressive multifocal leukoencephalopathy (PML), a brain infection caused by reactivation of latent JC virus infection.