Bentyl (generic: dicyclomine) is a prescription medication used to treat irritable bowel syndrom (IBS). This medication belongs to a group of drugs called anticholinergic (or antimuscarinic) agents. It relieves intestinal spasms by blocking muscarinic receptors in the digestive tract.

Bentyl comes in capsule, tablet, syrup, and injectable forms. It is taken 4 times daily, with or without food.

Common side effects include nausea, dry mouth, and dizziness. Do not drive or operate heavy machinery until you know how it affects you.