您如果有以下症状，请速到医院检查：突然发作的腰背部、下腹部剧烈疼痛，并且伴有向外阴部放散的疼痛，此时常伴有尿中有血色，类似洗肉水样尿液。这个症状的初步诊断是尿石症。 肾结石是尿石症的一种，多在炎热的夏天形成，因为夏天大量出汗．甚至体内脱水，使排尿减少，再加之夏季景露于阳光下时间长，紫外线照射皮肤有助于体内维生素Ｄ和维生素Ａ合成增多，维生素Ｄ和维生素Ａ可促进小肠吸收钙离子，尿液中排泄钙增多，尿内结石物质易产生结晶核，从而形成结石。冬季天气寒冷，人的尿量增多．已形成的小结石被尿液冲刷，向下移动，此时引起肾绞痛症状。所以，肾结石常为“夏季形成冬季发病”。 If you have the following symptoms, please speed to the hospital for examination: sudden onset of lower back, severe pain in the lower abdomen, accompanied by discharge to the genital pain, this time often accompanied by blood in the urine, similar to wash the urine of urine. The initial diagnosis of this symptom is urolithiasis. Kidney stones are a form of urolithiasis that forms mostly in the hot summer because of sweating heavily in the summer. Even the body dehydration, to reduce voiding, coupled with the summer season exposed to the sun for a long time, ultraviolet radiation helps the body increase the synthesis of vitamin D and vitamin A, vitamin D and vitamin A can promote intestinal absorption of calcium, urine excretion Increased calcium, urinary stones easily produce crystal nuclei material, thus forming stones. Cold weather in winter, people’s urine output increased. Has formed a small stone was washed urine, move down, then cause symptoms of renal colic. Therefore, kidney stones are often “winter onset of winter.”