Summarize the following:
If you have a bump or lesion, look for a fluid filled cavity that is movable and compressible. Look for a yellow or white center with a head. There might also be draining pus. Boils are pus-filled infections of the hair follicles. Check in your scalp for bumps. Also check any other places with hair, like your groin, neck, and armpit. An abscess is a painful pus-filled lump in or under the skin. An abscess might require surgical drainage in addition to antibiotics. Keep an eye out for carbuncles. Carbuncles are large abscesses that has pus draining from them. A stye is an infection of the oil glands of the eyelid. This causes inflammation and redness on the eye and eyelid. The stye can be internal or external. The lump will usually have a whitish or yellowish head that looks like a pimple. It may hurt to blink. Impetigo is a pus blister on the skin. These pus blisters can be large in size. They may burst and leave a honey-colored crust around the infected area.

Summary:
Decide if the lesion is purulent. Look for boils. Look out for abscesses. Be wary of a stye. Watch out for impetigo.