What Causes a Raised Rash?


Quick Answer

Numerous conditions, such as chickenpox, eczema and allergic reactions to allergens or medications, typically cause a raised skin rash, according to Healthline. Depending on the condition and treatment options available, a raised skin rash may last for a few days or up to a few weeks, reports Wellness.

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What Causes a Raised Rash?
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Full Answer

To determine the causes of a raised skin rash, patients must complete a physical exam, blood test, allergen-specific immunoglobulin test or skin biopsy, claims Wellness. Skin rash treatment options depend on the location, rash pattern and, if other symptoms, such as a fever, develop at the same time as the skin rash.

Skin conditions such as chickenpox require prescription medications, such as antiviral medications, and over-the-counter pain relievers, states WebMD. Eczema requires regular at-home care that involves applying a skin moisturizer daily or after bathing, keeping fingernails trim and avoiding stressful situations that trigger a skin rash, states the National Eczema Association.

Patients that develop a skin rash due to an allergic reaction to makeup, detergents, airborne allergens or specific medications should avoid these items as much as possible, according to Healthline. Patients should seek medical attention if open sores, blisters or skin shedding occurs as these symptoms may indicate serious illnesses and conditions such as anaphylaxis, secondary infections or Stevens-Johnson syndrome, which can lead to scarring and loss of function of organ systems, reports Wellness.

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