The side effects and dangers of Cat’s Claw are not known. Before taking this product, you need to ask your doctor for identification and not blindly self-medicate. Cat’s claw herb is also known as three scattered grass, its medicinal properties of warm, taste pungent and sweet, attributed to the liver and lung two meridians. Cat’s claw herb internal and external can detoxify swelling, can be used for sores and canker sores, snake and insect bites and other diseases, the use of a single decoction, the dregs of the medicine pounded on the affected area. Cat’s claw herb is pungent and can disperse, can dissolve phlegm, scattered stagnation, applicable to scrofula (mainly refers to the neck lymph nodes tuberculosis) phlegm nuclear (subcutaneous swelling such as the nucleus of the lump) and other diseases, when used with Xia Gu Cao, boiled into a poultice, applied to the affected area. The adverse reactions and contraindications of Cat’s Claw Herb are not clear. However, the product is pungent, warm and helps heat, overdose and prolonged use may lead to irritability and insomnia, dry mouth and tongue and other uncomfortable symptoms. Cat’s claw herb is a traditional Chinese medicine, need to be under the guidance of a professional physician to identify the evidence of the composition of the medicine, not for self-medication.