http://www.rashnyc.org/ (212)-644-9494
Overview
A rash is an area of the skin that has broken out, usually with patches of redness, bumps, or blisters. It may affect any area of skin from one small patch to the entire body.
What is going on in the body?
There are many skin changes that can occur with a rash, including:
• swelling
• warmth
• blisters
• bumps
• color changes
• itching
• pain
Skin can react or break out for many different reasons, ranging from allergic reactions to infections and even cancer.
What are the signs and symptoms of the condition?
There are many questions a healthcare professional needs to ask when someone complains of a rash:
• how long the rash has been present
• how the rash started and changed over time
• whether or not the rash itches
• whether or not the person has a fever or chills
• whether anyone the person knows has had a similar rash
• whether the person has any allergies
• what medications the person is taking
• whether the person has had similar or other rashes in the past
• whether the person has had a recent insect or tick bite
The healthcare professional may also ask about other symptoms, which can help narrow the list of possible causes. For instance, a person may be asked about his or her sexual history or whether he or she has had arthritis or weight loss.
What are the causes and risks of the condition?
There are many possible causes of a rash. One major category is infectious conditions. These include:
• ringworm
• Lyme disease
• syphilis
• measles
• chickenpox
• scabies
• roseola
• impetigo
• genital herpes
• herpes zoster
• Rocky Mountain spotted fever
• Kawasaki disease
• Hand, and, foot, and mouth disease
• Cat scratch disease
• Group A strep infections
• Staphylococcal infections
• Diaper rash
• Scarlet fever

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