infectious arthritis

例句：

1. 1.He was diagnosed with infectious arthritis and had to take antibiotics for several weeks.
   他被诊断出患有传染病性关节炎，并不得不服用抗生素几周。
2. 2.The patient's condition worsened, and he needed intensive care due to infectious arthritis.
   患者的病情恶化，由于传染病性关节炎，他需要重症监护。
3. 3.The doctor recommended that the patient rest more and avoid activities that could aggravate his infectious arthritis.
   医生建议患者多休息，避免可能导致其传染病性关节炎加重的活动。