Biliary colic is due to transient obstruction of gallbladder from an impacted stones in the neck of gallbladder.
Symptoms:
Sever gripping pain, often developing after meal, which is maximum in the epigastrium and right upper quadrant with radiation to the back. The pain may wax and wane in intensity over several hours, and vomiting and retching are common. Resolution occurs when the stone fall back into the gallbladder lumen or passes to the common bile duct. In some cases the obstruction does not resolve and the patient develops acute cholecystitis.
Signs:
Mild right upper quadrant tenderness, unless the patient develop acute cholecystitis then their will be marked tenderness and rebound.
Investigations
Blood tests: (complete blood count, liver function tests and serum amylase) will be normal
Imaging: Ultrasound abdomen will show the gallstones with acoustic shadowing.
Treatment:
cholecystectomy