Is the toxicity of Trichosanthes root (Tian Hua Fen) very high?
Under normal circumstances, the toxicity of Trichosanthes root (Tian Hua Fen) is relatively low. The specific details are as follows:

As a traditional Chinese medicine, Trichosanthes root is slightly cold in nature, sweet and slightly bitter in taste, and acts on the lung and stomach meridians. Its primary functions include clearing heat, promoting body fluid production, reducing swelling, and expelling pus. In clinical TCM practice, Trichosanthes root is often combined with other herbs to treat symptoms such as irritability, thirst caused by heat illness and pathogenic heat damaging body fluids, as well as diabetes and abscesses. When used appropriately and according to medical advice, Trichosanthes root is generally safe.
Trichosanthes root may cause allergic reactions and long-term or excessive use may affect liver and kidney function. Some individuals may be allergic to Trichosanthes root, experiencing symptoms such as rashes after use. Additionally, long-term or excessive use of Trichosanthes root may cause damage to liver and kidney function, although such cases typically occur only under conditions of overdose or improper use.
When using Trichosanthes root, it is important to avoid excessive use in order to minimize risks. Prior to using Trichosanthes root, it is necessary to consult a physician to ensure the suitability of the herb for one's individual constitution and health condition. Individuals who have allergic reactions to Trichosanthes root should avoid its use. Furthermore, when purchasing Trichosanthes root, it is advisable to choose reputable pharmacies to ensure the quality and safety of the herb.