With a nickel allergy, for instance ... and also in their mouth," Lipner explains. The rash starts as red bumps on the soles ...

Poison ivy rashes can vary in appearance from typical red, itchy bumps to black spot poison ivy ... products Scratchy wool ...

These rashes are often very red, macerated, and erosive-looking and are accompanied by red bumps or papules. Other symptoms to note: Candida rashes often have a “sour, yeasty odor,” Dr. Lal ...

Though harmless, it does cause an itchy rash with hive-like bumps on your belly and stretch marks during your third trimester. It can spread to other parts of your body, including your back ...