Featured conditions Brain tumor, breast cancer, colon cancer, congenital heart disease, heart arrhythmia. See more conditions.
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Miliaria rubra (A), one type of heat rash, appears as clusters of small, inflamed blister-like bumps that can produce intense itching. Miliaria crystallina (B), another type of heat rash, appears as clear, fluid-filled bumps that don't hurt or itch.
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