Patients taking analgesic mixtures (such as with ) appear to be at particular risk for analgesic nephropathy.This appears to be true even in the absence of phenacetin.

• 临床上止痛剂肾病变的诊断，在于正确估计长期使用止痛剂总量，出现相关症状，及静脉肾盂摄影出现肾乳头坏死的现象。