A red, raised, lattice-like rash, usually on the chest, back, and abdomen
Swollen, tender, red, and extremely painful joints -- particularly the knees or ankles
Nodules, or small protuberances, over the swollen joints
Sometimes, weakness and shortness of breath caused by heart involvement
Sometimes, uncontrolled movements of arms, legs, or facial muscles called chorea
These symptoms often begin one to six weeks after a strep throat infection has appeared to clear up. Sometimes,...