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BackSummer exercise-induced back pain may signal kidney stones, not just muscle strain
Summer exercise-induced back pain may signal kidney stones, not just muscle strain
Health
自由时报6/1/2026Health3 min readChina

Summer exercise-induced back pain may signal kidney stones, not just muscle strain

Quick Look

  • A urologist warns that sudden back pain after summer exercise could be kidney stones, not just muscle strain.
  • Dehydration concentrates urine, increasing stone formation.
  • Differentiate by noting that strain pain worsens with movement, while stone pain is constant and severe, often with nausea or blood in urine.

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夏季通常相當炎熱,維尚泌尿科醫師白彞維在臉書粉專「Chill健康診療室-白彞維泌尿科醫師」表示,夏天運動完突然腰痛,很多人以為只是運動傷害。但泌尿科門診裡,很可能不是肌肉拉傷,而是泌尿道結石發作。

白彞維表示,天氣熱、流汗多、水喝不夠,尿液就會變濃。尿裡面的鈣、草酸、尿酸濃度一高,結晶就比較容易形成。如果原本就有小結石,運動後、脫水後,它可能就開始移動,然後痛到你懷疑人生。

怎麼分辨是拉傷還是結石?可以先抓一個大方向:拉傷通常是「動了更痛」,例如彎腰、轉身、按壓某個點會痛;休息之後會慢慢緩解。尿液顏色通常正常,也比較不會伴隨噁心、嘔吐或血尿。

但結石痛不太一樣:它常常是突然來的,而且是一陣一陣的絞痛,你會很難找到舒服姿勢;坐也不是、躺也不是、站著也不對。有些人痛會從腰部往下腹、鼠蹊部跑,還可能出現噁心、想吐、冒冷汗,甚至尿色變茶色、粉紅色,或看到血尿。

白彞維解析容易分辨的體感:拉傷是「動了更痛」;結石是「怎麼動都痛」。如果只是一般痠痛,可以先休息觀察。但如果出現下面這些狀況,就不要再忍耐:

●血尿、尿色變茶色或粉紅色。 ●發燒、畏寒、噁心嘔吐。 ●痛超過 30 分鐘還沒有緩解。 ●痛到坐立難安、冒冷汗。 ●尿量變少或排尿困難。

尤其是腰痛合併發燒或尿量變少,要小心結石卡住又合併感染這種情況發生!

那夏天運動族要怎麼預防?白彞維表示,運動前、中、後都要分段補水,不要等到口渴才喝。口渴通常代表身體已經開始缺水了。也可以看尿色提醒自己。如果尿色很深黃,通常就是水不夠。比較理想的狀態是淡黃色。

另外,手搖飲、汽水、果汁不要當成是例行補水。你以為補的是水,但身體可能只是收到一大包糖。如果本來就有尿酸高、結石病史,夏天更要注意。

最後健身族也要留意,高蛋白不是不能吃;但如果水喝太少、飲食又重鹹,對某些結石體質真的不太友善,記得先和醫師或營養師討論。如果曾經結石發作,或反覆出現腰痛、血尿,就不只是「多喝水」可以輕輕帶過的處置。建議進一步評估結石成分、尿酸、腎功能、尿液酸鹼值。

白彞維總結,「夏天運動後腰痛,不一定只是拉傷。如果那個痛不像一般痠痛,又合併血尿、噁心、冒冷汗或排尿不適,請把泌尿道結石列入可能原因。」

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