肾痛
Nephralgia \Ne*phral"gi*a\, Nephralgy \Ne*phral"gy\, n. [NL. nephralgia, fr. Gr. ? a kidney + ? pain: cf. F. n['e]phralgie.] (Med.) Neuralgia of the kidneys; a disease characterized by pain in the region of the kidneys without any structural lesion of the latter. --Quain.
nephralgia n : pain in the kidney (usually felt in the loins)