What if strep throat goes untreated?

Complications: Complications of strep threat include: abscess, mastoiditis, otitis, rheumatic fever, glomerulonephritis. Rheumatic fever can effect your joints and your heart which can lead to rheumatic heart valve disease. In the past people would get "saint vidas dance" from cerebral disease. Glomerulonephritis is inflammation of your kidneys.

1st Sx will : Strep throat goes through several phases. The acute symptoms will eventually fade in most without rx. During the sub-acute phase, the body continues to make antibodies and a fraction (1/200) develop long term complications including kidney damage, heart damage(rheumatic fever) and brain injury.Antibiotics can stop the complications if started within ~10 days of first fever.