Prepared Chuan Wu Root Classic Formulas … Natural Herb Library

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Dispels wind, scatters cold, and relieves severe pain ... Zhi Chuan Wu is the processed mother-root lane of Aconitum carmichaelii, used for stubborn cold-damp painful obstruction and deeply fixed pain that clearly improves with warmth.
Warms the channels and unblocks cold stagnation ... it is chosen when cold has lodged in the limbs, low back, abdomen, or joints strongly enough that milder warming herbs are insufficient.
Addresses cold-type Bi and traumatic pain patterns ... traditional use includes rheumatic pain, cold low-back pain, neuralgic pain, and abdominal cold pain where toxic strong medicinals are considered necessary.

Wu Tou Tang ... classical cold-damp painful-obstruction formula in which Chuan Wu supplies strong channel-warming analgesic force.
Xiao Huo Luo Dan ... traditional formula for cold-phlegm and blood-stasis obstruction with chronic fixed pain and numbness.
Regional arthralgia and trauma formulas ... prepared Chuan Wu is used when pain is severe, cold, fixed, and difficult to open.

Traditional materia medica consistently describes Chuan Wu as hot, acrid, bitter, toxic, and especially effective for dispelling wind, cold, damp, and pain.
Processed Chuan Wu is preferred clinically because raw mother root toxicity is too dangerous for ordinary dispensing.
Modern inference ... many research papers discuss Aconiti Radix Cocta broadly rather than isolating every local processing variant, so this record follows the prepared Chuan Wu lane within that broader category.