Corydalis 30 gm, Phellodendron (coarse bark-removed) and Coptis, each 15 gm, Indigo Naturalis 6 gm, Litharge (separately ground) 9 gm.

bubble_chart Preparation and Dosage

Grind into a fine powder. Apply a small amount to the sore, spit it out if saliva is produced, and use after meals and before sleep.

bubble_chart Indications

Mouth sores.