Throat Swab Culture and Susceptibility

The Throat Swab Culture and Susceptibility Test is performed to identify bacteria or fungi causing an infection in the throat. A sample collected from the back of the throat is cultured in the laboratory to detect the presence of disease-causing microorganisms. If an organism is identified, susceptibility testing is carried out to determine which antimicrobial medicines are likely to be effective against it. This test helps healthcare providers confirm the cause of persistent or severe throat infections and choose the most appropriate treatment.

Who Should Get This Test Done?

This test is recommended for individuals who:

●     Have a persistent sore throat that hasn’t improved with basic care
●     Experience throat pain along with fever, swollen tonsils, or visible white patches
●     Have recurrent throat infections and need to identify the exact bacteria involved
●     Are not responding well to a current course of antibiotics for throat infection
●     Need confirmation of strep throat or another bacterial cause before starting targeted treatment
Why Consider This Test?

A sore throat is not always caused by the same type of infection. While many cases are viral, some are due to bacteria or fungi that require specific treatment. The Throat Swab Culture and Susceptibility Test helps identify the exact microorganism responsible and assesses which antimicrobial medicines are most likely to work against it. This allows healthcare providers to prescribe targeted treatment instead of relying on guesswork, reducing unnecessary antibiotic use and supporting better recovery.

More Information

This test is commonly used to investigate infections involving the throat, tonsils, and surrounding tissues. It can detect a wide range of bacteria and fungi that may not be identified through symptoms alone. The susceptibility component provides additional insight into the response of the identified organism to different antimicrobial agents, making the test especially useful in recurrent infections, infections that fail to improve, or cases where precise treatment is important.

Other Names

●     Throat Culture Test
●     Throat Swab C&S
●     Pharyngeal Culture and Sensitivity Test
●     Strep Throat Culture Test
●     Throat Bacterial Culture Test