fever in inflammation is caused by?
Rheumatic Fever Causes. Rheumatic fever is an inflammation in the heart, joints, skin or central nervous system that can occur following inadequately treated strep throat or scarlet fever. These diseases are caused by an infection with group A streptococcus bacteria.Proper treatment of strep can prevent rheumatic fever.heumatic fever is an inflammatory disease that can cause permanent damage to the heart and heart failure. Rheumatic fever is most common in children ages 5 to 15 years old.