What illness is causes by streptococcus pyogenes?

Strep complications: Streptococcus pyogenes, the bacterial cause of "strep throat", can invade other organ systems and cause infection in in areas around the tonsils, lymph glands in the neck, middle ear, mastoid regions, sinuses, bones, lungs (pneumonia), kidneys and liver (toxic shock syndrome). The noninfectious complications include rheumatic fever, rheumatic heart disease and acute glomerulonephritis (kidneys).

A variety : The most common is strep throat but is a common cause of cellulitis and can cause necrotizing fascititis.