Modification to tōng guān sǎn

Tong Guan San
(Open the Gate Powder)

''Modification:'' For excessive sputum and saliva - refer to:
Author: Dan Bensky and Randall Barolet
, p426

    Herb Common Name   Qty.  
細辛 Xi Xin Chinese wild ginger, asarum grams
皂角刺 Zao Jiao Ci heavenly nail, gleditsia thorn grams
added 明礬 Ming Fan alum