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Renal colic is a type of pain commonly caused by kidney stones.
[edit] Presentation
The pain typically begins in the kidney area or below it and radiates through the flank until it reaches the bladder. Colic is a misnomer because renal colic pain tends to remain constant, whereas colic implies pain that is somewhat intermittent and often comes in waves, such as in biliary colic.[1] It may come in two varieties: dull and acute; the acute variation is particularly unpleasant and has been described as one of the strongest pain sensations felt by humans.[1]
Depending on the type and sizes of the kidney stones moving through the urinal tract the pain may be stronger in the renal or bladder area or equally strong in both.
[edit] Prognosis and treatment
Most small stones are passed spontaneously and only pain management is required. For this type of pain, strong non-steroidal anti-inflammatory drugs (NSAID) such as diclofenac may provide better pain relief than opiates[citation needed]. Lying down on the non-aching side and applying a hot bottle or towel to the area affected may help. If the pain is not too intense, a more speedy release of the stones may be achieved by walking. Larger stones may require intervention for their removal.
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