Sophora japonica can be decocted, or into pills, loose, but also can be used externally by decoction of water fumigation and so on. Ground elm charcoal can be decocted, can also be applied externally.
Sophora japonica is a traditional Chinese medicine with the effects of cooling blood, stopping bleeding, clearing the liver and diarrhea. Sophora flowers can be decocted and taken internally, or in pills or powder, and can also be used externally in appropriate quantities, decocted and smoked, or powdered and sprinkled on the affected area. It should be taken with caution by people with cold spleen and stomach.
Diyu charcoal is a traditional Chinese medicine with the effect of cooling blood, stopping bleeding, detoxifying and astringing sores. It can be decocted and taken internally, or used externally in appropriate quantities by applying a powdered coating to the affected area. It is cold, sour and astringent in nature, so it should be used with caution for those who have blood in stool with deficiency cold, dysentery, disintegration (excessive menstrual flow or dribbling) and those who have bleeding with stasis. For patients with extensive burns, it is not advisable to use Diyu preparation for external application.
If you need to use Sophora dijonica charcoal, you should use the medicine under the guidance of a doctor, and should not use it on your own.