四逆汤
Frigid Extremities Decoction
四逆汤sì nì tāng · Shanghan Lun (public domain) · warm Interior (rescue Yang)
Composition
Functions
restores yang, helps in cases of collapse warms the center
Indications
Yang Collapse: Cold Limbs, Weak, Thready Pulse severe chills, diarrhea with undigested food
Contraindications
true heat and false cold heat caused by a deficiency of yin ⚠️ contains fu-zi (aconite): toxic; must be processed and boiled for a long time; use only as directed by a specialist
Notes
A formula for “rescuing yang” in cases of collapse with cold extremities and a weak pulse. Caution is advised due to the presence of aconite, and medical supervision is required. Preparation: Boil the fu zi first for a long time (30–60 minutes), then add the rest.
For education only — not medical advice. Consult a qualified practitioner.