Can sycamore leaves boiled in water cure anything?

Wutong leaves boiled water can cure rheumatism and paralysis, canker sores and poisons and other diseases, but note that a single Chinese medicine has a weak effect, can be in the identification of traditional Chinese medicine under the guidance of other medicines used at the same time, in order to achieve the best therapeutic effect.
Sycamore leaves are the leaves of the Sycamore plant in the Sycamore family, bitter flavor, cold, to the lung meridian, liver meridian. It has the efficacy of detoxifying and eliminating swelling, dispelling wind and removing dampness, and lowering blood pressure. It is used for the treatment of bruises, pediatric chancre (a chronic disease of children, manifested as emaciation, abnormal diet, abdominal distension, thinning and yellowing of hair, etc.), hemorrhoids, diarrhea, hypertension and so on.
Sycamore leaves can be used as a decoction for internal use, or externally as a decoction for washing, or as a powdered compress.
The adverse effects and contraindications of Sycamore leaves are not clear, for the treatment of the above conditions, should be used under medical supervision.