Renal colic and ureteral colic present with sudden, unilateral pain that progressively increases in intensity. The pain is throbbing, aching, and gnawing, originating from the flank and radiating to the genitalia and thigh. Associated symptoms include dysuria, intermittent pain, hematuria, nausea, vomiting, fever, and hypotension in severe cases. The mechanism involves increased pressure in the urinary tract from obstruction, dilating the renal pelvis which can lead to kidney atrophy over time. Renal colic presents as dull, visceral pain in the flank radiating to the front, lasting 5-10 minutes or hours. Fever, leukocytosis, and protein in the urine indicate potential