digestion. 1  the process in the alimentary canal by which food is broken up physically, as by the action of the teeth, and chemically, as by the action of enzymes, and converted into a substance suitable for absorption and assimilation into the body. 2  the function or power of digesting food: My digestion is bad.
Overview of Sitz Bath. A sitz bath is a bath in just enough water to cover the buttocks, upper thighs and lower abdomen. It is more labor intensive than other hydrotherapy treatments, but it powerfully affects the pelvic and abdominal organs.
Soak in a sitz bath. A sitz bath is a warm water bath for the perineal area. Warm water is soothing for hemorrhoids, provides relief and promotes healing. You can purchase a small tub (often called a sitz bath) that sits on top of the toilet seat, or simply use your bathtub.Here's how to find relief using a sitz bath: 1  Fill the tub with a few inches warm water.2  If you are using a toilet sitz bath, fill it to the point indicated in the instructions.ou can purchase a small tub (often called a sitz bath) that sits on top of the toilet seat, or simply use your bathtub. Here's how to find relief using a sitz bath: 1  Fill the tub with a few inches warm water. 2  If you are using a toilet sitz bath, fill it to the point indicated in the instructions.