Like all complementary therapies, it primarily treats so-called functional disorders, which result from a malfunction of the organs, but without any visible lesions, “which nevertheless represent nearly eight out of ten consultations in general medicine”, remarks Éric Lorrain. Thus, herbal medicine is particularly effective in response to common digestive disorders: stomach pain, gastroesophageal reflux, intestinal disorders, constipation, diarrhea. Its reputation is no longer to be faced with sleeping troubles, venous insufficiency (heavy legs, varicose veins, hemorrhoids), as well as to reduce the frequency and severity of infectious episodes (ENT and urinary tract, in particular).