Streptest

Streptest is a term that can refer to a diagnostic test used to detect the presence of *Streptococcus pyogenes*, also known as Group A Streptococcus. This bacterium is a common cause of various infections, including strep throat, scarlet fever, and skin infections. The Streptest is typically performed on a sample taken from a patient's throat or affected skin.

There are a few different types of Streptests available. Rapid antigen detection tests (RADTs) are a common and quick method. These tests can provide results within minutes by detecting specific antigens on the surface of the bacteria. Another method is a throat culture, which involves growing the bacteria in a laboratory setting to confirm its presence. While throat cultures are more sensitive than RADTs, they take longer to produce results, usually 24 to 48 hours.

The purpose of performing a Streptest is to accurately diagnose a streptococcal infection. This allows healthcare providers to initiate appropriate treatment, typically with antibiotics. Prompt treatment is important to alleviate symptoms, prevent the spread of infection, and reduce the risk of complications such as rheumatic fever. If a Streptest is positive, a course of antibiotics will usually be prescribed. A negative result, particularly from a rapid test, might sometimes be followed up with a throat culture if clinical suspicion remains high.