Wu Tou Aconite Root Classic Formulas … Natural Herb Library

Primary Actions

Dispels wind, scatters cold, and relieves excruciating pain ... Wu Tou is the classical aconite-root lane for severe cold-damp painful obstruction, numbness, and fixed stabbing pain that improves with heat.
Warms the channels and breaks through deep cold stagnation ... it appears when obstruction is profound enough that ordinary warming herbs are considered too weak.
Anchors the classical aconite pain tradition ... Wu Tou often functions as the formula-name or umbrella lane in older texts where raw aconite-root force is being emphasized.

Wu Tou Tang ... the eponymous classical formula for severe cold-damp painful obstruction, showing why this naming lane matters historically.
Severe cold-pain formulas where aconite-root force is used to break through fixed obstruction and numbness.
Regional trauma and arthralgia patterns in which the older Wu Tou naming tradition was preserved.

Classical texts often preserve `Wu Tou` as a formula or materia-medica naming lane for raw aconite-root action, especially in cold painful obstruction.
The therapeutic idea is essentially the same as raw Chuan Wu ... intense warming, strong pain relief, and high toxicity.