Penicillamine is a chelating agent. It attaches to other chemicals in the body, which aids in their removal. Penicillamine is used to remove excess copper associated with Wilson's disease. It is also used to reduce cystine in the urine and to treat severe rheumatoid arthritis. Penicillamine may also be used for purposes other than those listed in this medication guide.
Penicillamine is a chelating and an antirheumatic agent which is derived from ?-amino acid metabolite of penicillium. Penicillamine is less toxic than the L isomer and consequently the preferred therapeutic form. It is indicated to treat Wilson's disease and rheumatoid arthritis. Also used to prevent kidney stones in people who have cystinuria.