Fu Zi Tang (Aconite Decoction) — Herbal Remedy for Yang deficiency cold with joint and body pain: generalized body pain, cold limbs, aversion to cold, back pain, heavy limbs. Modern: rheumatoid arthritis in cold pattern, chronic pain in elderly with yang deficiency | Living Netism

A formula for Shao Yin cold with painful joints and body. Fu Zi Tang warms yang, dispels cold, and relieves pain in the back and joints caused by yang deficiency allowing cold and dampness to settle i