Cardamom is an herb. The seeds are used to make medicine. Cardamom is used for digestion problems including heartburn, intestinal spasms, irritable bowel syndrome (IBS), intestinal gas, constipation, liver and gallbladder complaints, and loss of appetite.It is also used for common cold, cough, bronchitis, sore mouth and throat, and tendency toward infection.he appropriate dose of cardamom for use as treatment depends on several factors such as the user's age, health, and several other conditions. At this time there is not enough scientific information to determine an appropriate range of doses for cardamom.