concomitant disease meaning in English

伴发病
夹杂症

When patients have a concomitant disease or injury indicating antibiotics, they should be used .
当病人同时患有具有抗菌适应症的疾病或损伤时，应该应用抗菌素。
This article introduces the recent methods about complications / concomitant diseases of elder patients in foreigh countries , and then puts forward suited assessment tools for domestic old cancers patients
本文介绍国外目前常用的评估老年伴发症和（或）夹杂症的方法，从而提出适合于我国老年肿瘤患者体能状况的评估工具。