Niter and sulfur, equal parts.

bubble_chart Preparation and Dosage

Grind the above ingredients into powder, stir-fry over moderate or vigorous heat until they turn a goose-yellow color, then grind finely again. Form into pills using glutinous rice paste, each pill as big as a phoenix tree seed. Take 40 pills each time, washed down with freshly drawn water, without regard to the time of day.

bubble_chart Indications

Latent summerheat, cold injury, the misalignment of yin qi and yang qi meeting together, gastric stuffiness, or headache and nausea.