Furuncle on Neck Pictures - 2 Photos & Images

Boils can occur anywhere on your skin, but appear mainly on your face, neck, armpits, buttocks or thighs — hair-bearing areas where you're most likely to sweat or experience friction. Signs and symptoms of a boil usually include:
A painful, red bump that starts out about the size of a pea
Red, swollen skin around the bump
An increase in the size of the bump over a few days as it fills with pus (can sometimes reach the size of a baseball)
Development of a yellow-white tip that eventually ruptures and allows the pus to drain out