The difference between red yam, Huangshan medicine and Baiyao

Dioscorea zingiberensis, Dioscorea zingiberensis and Baiyao are three commonly used medicinal materials, and their effects are bitter and flat respectively. Clearing away heat and toxic materials, cooling blood and eliminating malnutrition; Bitter, slightly sweet, cool. Clearing away heat and toxic materials, stopping bleeding and relieving pain; Cold. Clearing away heat and toxic materials, cooling blood and stopping bleeding. Because of the similarity of drug name, efficacy and pharmacognosy, as well as the inconsistency of different places and recorded usage habits in ancient and modern literature, it caused confusion.

Yellow and red drugs have the functions of cooling blood, stopping bleeding, diminishing inflammation, clearing away heat and toxic materials, removing blood stasis and relieving pain, while Baiyao has the functions of expelling wind and toxic materials, clearing away heat and relieving pain, dredging channels and activating collaterals, removing blood stasis, reducing swelling and relieving pain.

Paeonia lactiflora alias: Paeonia lactiflora, buckwheat, Paeonia lactiflora, cinnabar, Ardisia japonica, Sanguisorba officinalis, Notoginseng Radix and pumpkin taste sour, bitter, astringent and cold.

Indications: clearing away heat and toxic materials, stopping bleeding and relieving pain. Used for enteritis, dysentery, lumbago and leg pain, hematochezia and metrorrhagia; Topical treatment of burns, boils and rabies bites.

Dioscorea bulbifera is flat in nature and bitter in taste.

Function: clearing away heat and toxic materials and cooling serum scabies.

Indications: used for sore throat, dry cough without phlegm, carbuncle, sore, snake bite, goiter, vomiting blood and hemoptysis.

Baiyao belongs to Stephania of Menispermaceae, and its root tuber is used as medicine. Clearing away heat and toxic materials, cooling blood to stop bleeding, removing blood stasis and reducing swelling. Used for acute hepatitis, bacillary dysentery, acute appendicitis, stomachache, internal bleeding, traumatic injury and snake bite; Local treatment of parotitis, lymphadenitis and neurodermatitis.