This document discusses enteric coatings, which are coatings that prevent the release of drugs in the stomach and allow release in the small intestine. It provides reasons for enteric coatings such as protecting drugs from stomach acid, preventing gastric irritation, delivering intended local action in the intestine, and providing delayed or prolonged release. It discusses materials commonly used for enteric coatings and their properties. Examples are given of drugs that benefit from enteric coatings and commercial products using this technology.