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This test looks for bacteria or other organisms in a wound. The test is used to find out if a wound is infected. It can also see the type of organism that's causing the infection.
This test requires a small sample of cells or fluid from a wound. Then the sample is cultured and looked at under a microscope to look for bacteria or other organisms.
An infected wound may need special treatment, such as antibiotics. The antibiotics stop the infection and keep it from spreading to other areas of the body. Treating the infection also helps the wound to heal.
You may need this test if your healthcare provider suspects that your wound is infected or if you were bitten by an animal, insect, or another person.
Symptoms of an infected wound include:
Swelling or a sudden lump under the skin
Pus or bad-smelling fluid draining from the wound
Skin around the wound that feels hot to the touch
Bumps near the wound that look like boils, pustules, spider bites, or a rash
In more serious infections, you may also have exhaustion, confusion, fever, and chills.
Your healthcare provider may also order these tests:
Blood tests, including those to check liver function, blood proteins, and blood sugar, as well as a complete blood count, or CBC
Many things may affect your lab test results. These include the method each lab uses to do the test. Even if your test results are different from the normal value, you may not have a problem. To learn what the results mean for you, talk with your healthcare provider.
Normal results are negative, meaning that no organisms grew in the culture from your wound. A positive result means that bacteria or other organisms did grow and that your wound is infected. From your test results, your healthcare provider can figure out what's causing the infection and give you the best antibiotic to treat it.
This test requires a swab of the fluid or cells from an open wound. Your healthcare provider will carefully clean the wound and flush out any dirt with water. Then he or she will collect a sample using a long cotton swab to gently wipe the wound. If the wound isn't oozing, your provider may moisten the swab with a sterile saline solution.
This test poses no known risks.
Other factors aren't likely to affect your results.
You don't need to prepare for this test. But be sure your healthcare provider knows about all medicines, herbs, vitamins, and supplements you are taking. This includes medicines that don't need a prescription and any illicit drugs you may use.
Bayhealth is Southern Delaware’s healthcare leader with hospitals in Dover and in Milford. Bayhealth provides a wide range of medical services, including cardiovascular, cancer, orthopaedics and rehabilitation, pediatrics, respiratory care, sleep care, surgical weight loss and women’s services.