Definition
Pain caused by acute upper urinary obstruction, often from a ureteric stone.
Symptoms
Severe flank pain spreading to the groin, restlessness, nausea or blood in urine.
How it may be discovered
Sudden attack, sometimes in someone with previous stones.
When to seek care
Emergency assessment with fever, a solitary kidney, pregnancy, reduced urine, uncontrolled pain or persistent vomiting.
Investigations and tests
Urine testing, kidney function and suitable imaging; ultrasound preferred in selected situations.
Reaching a diagnosis
Assess the blockage, cause and impact; not all back pain is a stone.
Treatment options
Individually suitable pain relief, observation or intervention based on the stone. Do not force fluids during obstructive colic.
Explore this topic further
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