To help reduce the symptoms you can...
eat small frequent meals rather than fewer large meals
avoid bending over or lying down after a meal
avoid foods that seem to cause more severe symptoms such as spicy foods, coffee and possibly alcohol
stop smoking
lose excess weight if overweight
sleep propped up on plenty of pillows or with the head end of the bed raised 10 cm
Grains that ease hiatal hernias are barley and millet. Vegetables include artichoke, burdock, cabbage, dandelion, kohlrabi, sweet potatoes and winter squash. Culinary herbs are aloe vera, anise, arrowroot, asafetida, cumin, fennel, mint and parsley. The seaweed, agar is specifically healthful, as is green tea.
Cabbage is especially medicinal for tender tummies.