Anal welling-abscess

Also visceral toxin. A welling-abscess (yōng) on the inside or outside of the anus; attributable to damp-heat pouring downward.

Anal welling-abscesses heal with difficulty, and after bursting easily form fistulas. Distinction is made between repletion and vacuity. Repletion patterns stem from excessive consumption of liquor and rich food and the development of damp turbidity that pours downward to the anus. Repletion patterns are characterized by heat, redness, swelling and pain in the anus and the emergence of a plum-shaped welling-abscess.

Biomedical correspondence: perianal abscess.

Vacuity patterns arise as a result of spleen, lung, and kidney depletion with damp-heat exploiting the vacuity to pour downward to the anusand are characterized by flat swelling and slight pain.

Medicinal therapy: Repletion patterns are treated by clearing heat, resolving toxin, and disinhibiting dampness; vacuity patterns are treated by enriching yīn and eliminating dampness combined with clearing vacuity heat. See external welling-abscess.