If symptoms become worse even with this treatment, then cancer treatment may have to be stopped, at least temporarily. Medication may be prescribed such as antidiarrheals to stop diarrhea, narcotics to relieve pain, and steroid foams to relieve rectal inflammation and irritation. If patients with pancreatic cancer have diarrhea during radiation therapy, they may need pancreatic enzyme replacement, since not having enough of these enzymes can cause diarrhea. Nutrition Nutrition also plays a role in acute enteritis. When intestines are damaged by radiation therapy, production of enzymes, especially lactase, decreases or stops entirely.
Lactase is essential in the digestion of milk and milk products.
Processed cheese may be tolerated because the lactose is removed in processing. Lactose-free milkshake supplements, such as Ensure, may also be used. Nuts, seeds, and coconut. Fried, greasy, or fatty foods. Carbonated beverages should be allowed to lose their carbonation before being consumed.