I haven't read all the pilonidal cyst info. I will get to the library as soon as I can to learn more. Bitter foods such as romaine, alfalfa, and rye dry fluids and drain dampness. Amaranth, quinoa, asparagus, and celery are considered both bitter and sweet. Some damp conditions are candida, parasites, mucous, swellings, abscesses, tumors, cysts, overweight, and edema.
Bitter foods tonify the kidneys and lungs and stimulate peristalsis.