When this stomach disorder is transformed, from a functional one such as indigestion, to a structural one, the first stage in inflammation of the mucus membrane of the stomach walls. This can last for a short time and be caused by an infection or a reaction to a certain type of food, or it can become chronic. The causes that we should look into are: unhealthy foods, alcohol, smoking and stress. A combination of these factors is usually involved. A herb combination which could help with gastritis is the following :