Homeopathic. 100% Natural Diarrex tablets for temporary relief of symptoms of acute gastrointestinal distress associated with diarrhea. Hyland's 100% natural diarrhea tablets. Helps stop diarrhea fast. Whether you are on the road or at home, Hyland's Diarrex offers all-natural relief for the not-so-pleasant effects of diarrhea. A friend of your family since 1903.