There are no three types of people who should not eat cat’s claw. People with hot phlegm should be cautious of using cat’s claw herb, and people who are allergic to cat’s claw herb should be cautious of using cat’s claw herb. Cat’s claw belongs to the phlegm relieving cough and asthma (stop coughing, calm wheezing) medicine in the warming cold phlegm medicine, cat’s claw into the liver meridian, lung meridian. Cat’s claw herb is pungent, sweet and warm in nature. It has the effect of resolving phlegm and dispersing knots, detoxifying and subduing swelling. Cat’s claw herb has been used to treat scrofula (mainly refers to the neck lymph nodes tuberculosis), phlegm nuclei (subcutaneous swelling such as the nucleus of the tuberculosis), furuncle (mostly occurs in the limbs or face of the sores, shape of the small root deep, such as nails like hard), swelling and poisoning, snake bite, lymphadenitis, pharyngitis, and so on. The adverse effects of Cat’s Claw are not known. If needed, please use under the guidance of a professional Chinese medicine practitioner.