It can cause a fungal infection between the buttocks or on other parts of your body such as the groin and inner thighs ... It is a benign (harmless) skin condition that causes tiny, red bumps on the ...
Some rashes may be localized to a small area on the neck, while others may cover a larger portion or spread to other body areas ... (hives)—intensely itchy, raised, red bumps or welts that ...