Red Rashes With a White Ring on the Skin

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Determining the cause behind a painful, itchy rash often makes the entire ordeal more challenging. Several conditions may cause a red and white rash; in each case, the whiteness could have a ring-like appearance.

Brown Recluse Bite

The bite of a brown recluse spider appears as bull's-eye, with a red, ring-shaped rash surrounding a white ring. The bite burns and itches for approximately ten minutes. It then enlarges and may be accompanied by fever and vomiting, among other symptoms. Treat the bite with an antibiotic ointment to prevent it from worsening. Consult a doctor immediately as well.

Eczema

Eczema occurs when allergies irritate the skin. The mild rash looks flat and white, but severe flare-ups cause the skin to raise up in red patches. Treat most cases of Eczema with a hydrocortisone cream.

Psoriasis

Psoriasis causes a scaly white rash to appear over red, irritated skin. This usually occurs on the elbows and knees. Skin moisturizers, ointments and oral medications and treat psoriasis.

Tinea Versicolor

A yeast fungus called tinea versicolor develops colonies on the skin, which change the skin to a reddish brown. White spots may also occur while the rash remains. Treatments include creams and anti-fungal pills.

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