An armpit rash is often caused by irritation from ... Other symptoms of irritant contact dermatitis include: Hyperpigmented patches of skin that may be leathery (most common in people of color ...

In some cases, patients may report a history of a mild facial rash medicated with moderately ... Facial lesions may be flesh-colored, yellow, hyperpigmented, or erythematous often with scaling ...

Perioral dermatitis usually appears on light skin as a scaly or red bumpy rash. On darker skin tones, the lesions may be hyperpigmented or brown. The bumps may contain fluid (pustules), so there ...