This medicine promotes secretion of the bile and pancreatic juice, and accelerates flaccidity of the smooth muscle in the gastrointestinal tract (sphincter of hepatopancreatic ampulla etc.) to lower internal pressure of the gallbladder and bile duct. It improves the symptoms of the bile duct and pancreatic disease. It is usually used for improvement of cramp and bile secretion associated with cholelithiasis, cholecystitis, cholangitis, dyskinesia of the biliary tract or postcholecystectomy syndrome, or pain and gastrointestinal symptoms associated with chronic pancreatitis. Side effects are nausea, constipation, abdominal bloating, diarrhea, rash, itch, etc.

Flopropione is an antispasmodic agent developed to relieve spasms in patients with hepatobiliary disorders, pancreatitis and urinary calculus. The mode of action is based on the inhibition of catechol-o-methyl-transferase (COMT), resulting in an adrenergic action, and anti-serotonin action. The current marketing status of the drug is unknown and considered to be "discontinued".