Rash
Alternate Names : Cutaneous Eruption
How is the condition diagnosed?
The cause of some rashes can be diagnosed after a history and examination of the rash. Other rashes may be more difficult to identify. Further tests may be needed, including blood or urine tests. Sometimes, a biopsy of the affected skin is needed. This involves removing a small piece of skin with a special tool. The skin can then be analyzed in the lab to help determine the cause.
Further tests may be needed in some cases, depending on the suspected cause. For instance, the provider may order a chest X-ray if he or she suspects that a lung infection is causing the rash.
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