Please describe the medication: hyoscyamine?

Hyoscyamine. Hyoscyamine is used to treat a variety of stomach and intestinal tract disorders such as irritable bowel syndrome, diverticulitis, colitis, peptic ulcers, diarrhea, or pancreatitis. Hyoscyamine can be used to control bed wetting and urination, or to prevent motion sickness, treat parkinson's disease, alcohol withdrawal symptoms, and poisonings from certain insecticides and plants.