Diseases that cause an itchy rash on the chest include tinea versicolor, hives and prickly heat, according to the American Academy of Dermatology and Mayo Clinic. Tinea versicolor is caused by yeast, the AAD reports. The... More »

Burning and itchy skin with no rash can have a variety of causes including dry skin, internal diseases and nerve disorders, according to Mayo Clinic. Treating the condition involves diagnosis and using various itch-relie... More »

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One cause for an itchy rash on the scrotum is jock itch, a fungal infection, according to the National Center for Biotechnology Information. A second possible cause is dermatitis due to allergic reactions or other condit... More »

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Common causes for spots on the skin include diseases such as low platelet count, meningococcal meningitis, shingles and tinea versicolor, according to Mayo Clinic, WebMD and the American Academy of Dermatology. In a low ... More »

There isa wide variety of conditions that are known tocause an itchy rash on the skin, includingallergic reactions to medication, contact dermatitis as a result of poison ivy exposure, ring worm, viruses such as varicell... More »

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Molluscum contagiosum appears as a rash composed of pink or flesh-colored bumps anywhere on the skin, according to the American Academy of Dermatology. Usually, there are only 10 to 20 bumps, but people with compromised ... More »

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Medical conditions that cause hives include vasculitis, lupus and thyroid disease, according to the American Academy of Dermatology. Other medical causes of hives include bacterial infections and allergies. More »

www.reference.com Health Conditions & Diseases Skin Conditions