Cat's claw acts as a tonic of the immune system in general, and mainly in the fight against viral diseases, from flu to herpes. It is also used to prevent other viruses, such as those that cause herpes (genital herpes and herpes zoster), gonorrhea, infectious diseases of the urinary system (prostatitis and cystitis) and respiratory system (asthma, sinusitis, cough and allergies). It is very beneficial for the cure of diseases that cause pain, such as arthritis, osteoarthritis or gout.