If you don’t think you will experience any concerning side effects or health complications when strep throat goes untreated, think again! While strep throat when treated correctly and quickly is relatively harmless, it can cause some life-altering complications if it isn’t treated in a timely manner. Our AFC Urgent Care Fountain City team explains why below. What Causes Strep Throat? Strep throat is caused by bacteria called Streptococcus pyogenes, or group A Streptococcus ...