The research on identifying the role of foods in triggering trigeminal neuralgia is ongoing. Various studies found that a low saturated fat diet may be effective in reducing pain. A low saturated fat diet includes whole grains, no-fat dairy products, fish and poultry, vegetables, and citrus fruits and berries.
It is recommended patients avoid foods that can irritate the nerve. They include spicy foods, highly processed foods (loaded with chemicals), foods high in sugar, and caffeinated drinks. Very hot and very cold foods should also be avoided.