Streptococcal Pharyngitis

Streptococcal Pharyngitis, commonly known as strep throat, is a bacterial infection that affects your throat and tonsils. Unlike many sore throats which are caused by viruses, strep throat is specifically caused by a type of bacteria called *Streptococcus pyogenes*, also known as Group A Streptococcus (GAS). This highly contagious infection spreads easily from person to person through respiratory droplets when an infected individual coughs, sneezes, or talks, making it particularly common among school-aged children and adolescents. Diagnosing strep throat accurately is crucial, which is why lab tests are performed. The symptoms of strep throat can often mimic those of viral sore throats, colds, or other conditions. However, strep throat requires antibiotic treatment, while viral infections do not respond to antibiotics. A lab test, such as a rapid strep test or a throat culture, helps your doctor determine the exact cause of your sore throat, ensuring you receive the correct care and avoid unnecessary antibiotic use if the cause is viral. Prompt and accurate diagnosis with a lab test is essential to prevent potential complications. Untreated strep throat can lead to more serious health issues, including rheumatic fever, a condition that can affect the heart, joints, and brain, or kidney inflammation (post-streptococcal glomerulonephritis). Identifying the infection early allows for timely antibiotic treatment, which helps you recover faster, prevents the spread of the infection to others, and significantly reduces the risk of these severe complications.