De mest almindeligt indberettede bivirkninger (som forekom hos ≥ 5% af patienterne, der fik tocilizumab- monoterapi eller kombinationsbehandling med DMARDs) var øvre luftvejsinfektioner, nasopharyngitis, hovedpine, hypertension og øget ALAT.
The most commonly reported ADRs (occurring in ≥ 5% of patients treated with tocilizumab monotherapy or in combination with DMARDs) were upper respiratory tract infections, nasopharyngitis, headache, hypertension and increased ALT.