The lepromin skin test is used to determine what type of leprosy a person has. It involves the injection of a standardized extract of inactivated leprosy-causing bacteria under the skin.
Alternative Names:
Leprosy skin test
How the test is performed:
An extract sample of inactivated leprosy-causing bacteria is injected just under the skin, usually on the forearm, so that a small lump pushes the skin up. The lump indicates that the antigen has been injected at the correct depth.
The injection site is labeled and examined 3 days and 28 days later to see if there is a reaction.
How to prepare for the test:
People with dermatitis or other skin irritations should have the test performed on an unaffected part of the body.
If your child is to have this test performed, it may be helpful to explain how the test will feel, and even demonstrate on a doll. Explain the reason for the test. Knowing the "how and why" may reduce the anxiety your child feels.
How the test will feel:
When the antigen is injected, there may be a slight stinging or burning sensation. There may also be mild itching at the site of injection afterwards.
Review Date: 7/1/2007
Reviewed By: Mark Levin, MD, Division of Infectious Disease, MacNeal Hospital, Berwyn,IL. Review provided by VeriMed Healthcare Network.
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