Kidney stones (calculi), stone-like crystals of differing sizes and shapes, can develop in one or both of the kidneys. Medically known as nephrolithiasis, kidney stones can block the flow of urine and in extreme cases result in a kidney failure. These occur when salts present in the urine form a solid lump or stone.
Most kidney stones do not require surgery and are passed out of the body painlessly when you urinate. However, if the stone gets lodged inside the ureter (the tube that connects bladder and kidney) then it restricts the urine flow from the kidney and requires proper treatment. The signs associated with kidney stones may not be apparent until it reaches your ureter. At that point you may experience these symptoms:

1. Severe Back Pain (Below The Ribs)

A persistent ache in the lower back or one side of the abdomen can be felt, which may last for minutes or hours. This gripping pain that may radiate around to the front and even the groin or testicles is called ‘renal colic’. The pain can be so intense that it may result in nausea, often accompanied by vomiting. It may give a feeling of a fluctuating wave of excruciating pain that can leave the back and sides tender. Episodes of sudden, intense pain in the belly region shouldn’t be taken lightly, and must be reported to a physician.

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