Skin discoloration refers to any change in your natural skin tone. Common causes include birthmarks, infection, and skin pigmentation disorders. Some birthmarks, such as dermal melanocytosis ...

Jock itch, or tinea cruris, is a fungal infection that develops in warm and moist areas of the body, such as the groin ... and inspecting the affected area of skin. In some cases, your doctor ...

Hidradenitis suppurativa (HS) causes painful bumps under the skin, typically on skin folds, like the groin area, armpits ...

Discoloration within deeper layers of the skin may take years to fade. Hyperpigmentation in the buttocks area is common and usually harmless. While treatments are available, they can be timely ...