Sargassum Seaweed … Classic Formulas
Hai Zao · Sargassum
Primary Actions
- Softens hardness and dissipates nodules ... Hai Zao is classically directed to goiter, thyroid nodules, scrofula, and other hard masses formed from phlegm and constrained Qi.
- Dissolves phlegm accumulations ... beyond visible mucus, it addresses congealed Phlegm that settles into the neck, lymphatic tissue, or lower burner and forms stubborn swellings.
- Promotes urination and reduces edema ... it supports fluid resolution when retained water and phlegm coexist.
Classic Formulas
- Hai Zao Yu Hu Tang ... the classic goiter and thyroid-nodule formula built around Hai Zao's ability to soften hardness and dissolve phlegm masses.
- Neck-mass and scrofula combinations with Kun Bu, Xia Ku Cao, and Zhe Bei Mu ... standard pairing logic for nodules from phlegm and stagnant Qi.
- Adjunctive edema pairings with Fu Ling or Ze Xie ... secondary water-draining use when swelling accompanies phlegm accumulation.
Classical Text References
- Modern TCM teaching consistently describes Hai Zao as bitter, salty, and cold, entering the Liver, Stomach, and Kidney channels and targeting hard phlegm nodules.
- Hai Zao is one of the classical Eighteen Incompatibilities herbs said to oppose Gan Cao, though some later formulas deliberately combine them in difficult neck-mass disorders.