It is used externally in the form of pastes, ointments, and wraps. A pasty poultice made from black nightshade helps to heal bone fractures, strains, bruises, sprains, and sprains - this is what one of the plant's names refers to: solder grass. Compressing with a paste made from nightshade flour is also a well-proven method for muscle, nerve and tendon sheath inflammations. One of its main active ingredients, allantoin, stimulates the blood supply and increases cell regeneration processes. The extract of the root made by the soaking process is an effective bone strengthener and promotes scar formation in the event of a bone fracture. Its epithelial and cell-forming effect stimulates wound healing. It is also excellent for varicose veins, but it is also recommended as a throat rinse.