What is this test?
This laboratory test is performed on a pus sample to detect the presence of bacteria causing infection. It also helps in identifying the type of bacteria.
Why is this test performed?
This test is performed:
- To find the cause of infection
- To devise a suitable treatment plan
- To monitor the efficacy of treatment.
- What will affect my test results?
Anti-septic dressing and use of antibiotic treatment before collection of specimen will affect your test results.
- How much pus is required for the sample?
A minimum of 1mL volume is acceptable for pus culture and sensitivity.
- What is pus?
Pus is a thick fluid containing bacteria and dead cells. It is produced in response to an infection.
- Why is gram staining important?
Gram staining is important to detect the presence of bacteria and identify its type and general shape.
- How to prepare for this test?
Inform your doctor about all the prescribed and non-prescribed use of medicines. No special preparations are required for the test.
Positive or negative
Interpretation of test results:
Positive: Pathogenic organism detected and identified on culture. Bacteria sensitivity to antibiotics is also mentioned in the report.
Negative: No growth on culture in 24-48 hours.
You should get tested if you have symptoms of a bacterial infection, including:
- Pus drainage
- Pain
- Warmth
- Redness
- Swelling
- Pustules or rashes around the wound.