Rheumatic disorder is an autoimmune condition where your bodyâs immune system (which usually fights bacteria and viruses) attacks your bodyâs own cells. MPD 8mg Tablet stops that from happening and can relieve the symptoms of this condition such as pain, swelling, and stiffness in your joints. It can also slow down joint damage, reduce disability, and enable you to be as active for as long as possible. It can take several weeks or months to notice the effect of the medicine. You should continue taking it until your doctor says it is okay to stop using the medicine.