This document provides information about various carminative drugs including their biological sources, chemical constituents, and uses. Some examples of carminative drugs discussed are ajowan, cardamom, black pepper, asafoetida, nutmeg, benzoin, myrrh, neem, and turmeric. Carminative drugs act by relieving pain in the stomach and intestine and expelling gas from the gastrointestinal tract. They are used as stimulants, carminatives, and for their aromatic properties. Information on cultivation, chemical profiles, and substituents is provided for several of these medicinal plants.