Doctor can examine: Rashes are difficult to describe in words. A primary care doctor or a dermatologist can examine a pimply rash to see what it might be. Sometimes folliculitis happens, and is caused by bacteria in skin follicles (where hairs grown out of). It can resemble tiny pimples on the limbs and body. Other causes include viral infections, allergies, autoimmune reactions, chemical irritants, hot tubs, etc...
Answered 7/14/2018
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