Amaranth does not treat itchy skin. Amaranth has the effect of clearing heat and detoxification (removing heat and toxicity from the body), cooling the blood and stopping bleeding (cooling and moistening the blood to prevent bleeding), and stopping dysentery. Amaranth, sour flavor, cold nature. It belongs to the liver and large intestine meridians. It is used for heat-poisoned blood dysentery (dysentery caused by feeling heat-poison and seeing blood in the stool), carbuncle furuncle (sores mostly occurring on the limbs or face, small in shape with deep roots, as hard as nails), eczema, snake and insect bites, blood in stools, hemorrhoidal blood, blood in leakage (excessive menstruation or more than a few drops), and so on. Amaranth treats damp-heat in the large intestine (the large intestine feels damp-heat evil qi), abdominal pain and diarrhea, and anxiousness and heaviness (discomfort in the lower abdomen, wanting to defecate very much, and a feeling of incomplete defecation after defecation), and is often combined with Scutellaria baicalensis and Huanglian; it treats damp-heat in the large intestine and hemorrhoidal blood in stools and hemorrhoids, and is often combined with Dijie, Sophora angustifolia, and Fengyoucao. If you need to use Amaranthus to treat diseases, you should be under the guidance of a doctor.