Disease-Resistant Anti-Rheumatic Drugs (DMARDs): Used to treat RA, DMARDs slow or stop the immune system from attacking the joints. Such as Trexall and Plaquenil. L-arginine has been confirmed to aid raise blood movement to the penis, much like Viagra does, and the big difference is it does it effortlessly. Most types of childhood arthritis are called juvenile idiopathic arthritis (JIA). JIA causes one or more joint pains and inflammation for at least six weeks.