The symptoms vary in severity from a mild stomach upset and rash to anaphylacticreactions and breathing difficulties that can result in death.
患者症状的程度各异，从轻微的胃部不适和皮疹到过敏反应和呼吸困难甚至死亡。
2
Anaphylactic and anaphylactoid reactions can be associated with bronchospasm and pulmonary edema.
过敏及类过敏反应，可导致支气管痉挛及肺水肿。
3
Adverse events were typical of other biologic drugs and included upper respiratory-tract infections and stomach flu. Anaphylactic allergic reactions and increases in liver enzyme levels were rarer.