Drotaverine 20 mg is an antispasmodic medication used primarily to relieve pain and discomfort caused by smooth muscle spasms in the gastrointestinal, biliary, and urinary tracts. The 20 mg strength is typically a dosage for children, while adults usually take 40 mg or 80 mg doses. Primary Uses and Indications Drotaverine is indicated for the symptomatic treatment of various conditions involving smooth muscle spasms: . Gastrointestinal Disorders: Relief from abdominal pain, cramps, and spasms associated with conditions like irritable bowel syndrome (IBS), gastritis, enteritis, and gastric or duodenal ulcers. . Biliary Tract Issues: Management of pain caused by gallstones (cholelithiasis) and inflammation of the gallbladder or bile ducts (cholecystitis, cholangitis). . Urinary Tract Issues: Relief from renal colic (kidney stone pain), pain due to stones in the ureter (ureterolithiasis), and spasms of the bladder (cystitis). . Gynecological Conditions: Alleviation of menstrual pain and cramps (dysmenorrhea).