Strep throat is a bacterial infection caused by a bacteria known as Group A streptococcus. Strep throat is highly contagious, especially among children.
Common symptoms of strep throat include:Strep throat does not cause a cough. A sore throat that is accompanied by coughing usually indicates a viral infection that is not strep throat.
If left untreated, strep throat can lead to problems such as kidney irritation or rheumatic fever. Talk to your doctor if you or your child is experiencing a sore throat accompanied by swollen lymph glands, a fever, or pain when swallowing. These are all indicators of the highly contagious strep bacteria.