Source: Secrets from the Orchid Chamber (1336)
Indication: Heat accumulation in the Stomach
Symptoms: Toothache, facial swelling, fever, bad breath, dry mouth. Also for bleeding and sores on the gums, swollen, painful tongue, lips or jaw. The painful areas are better with cold, worse with heat.
Tongue: red, little coat; Pulse: slippery, surging, rapid
This formula takes a multi-pronged approach to clearing heat.
Primarily cold and bitter, this formula drains Stomach fire.
Qing Wei San is sweet and can cool and nourish the Blood.
It is also acrid, and can eliminate heat by dispersing constraint.