Amaranth belongs to the same source of medicine and food, at present the contraindications of amaranth are not clear. Amaranth is mainly used for the treatment of fever and blood dysentery (dysentery caused by feeling heat and poison and seeing blood in the stool), carbuncle boils, eczema, salvia (acute infectious disease, the skin can be seen to be red like paint), snake and insect bites, blood in the stool, hemorrhoids, leakage of menstruation (menstruation is too much or more than a few drops), and blood. People with cold spleen and stomach, intestinal slipperiness as leakage should be cautious of using Amaranthus. The adverse reactions and contraindications of Amaranthus tinctorius are not clear, if used with other drugs may occur drug interactions, please consult your physician or pharmacist for details. If you need to use Amaranth to treat diseases, must be used under the guidance of a professional doctor.