SULFA DRUGS. One of the more common drug allergies is that to sulfa drugs. Sulfa drugs are more appropriately labeled sulfonamides and are derivatives of para-amino benzoic acid. The table below lists common medications that contain a sulfonamide component.
A boil is a common, painful infection of a hair follicle and the surrounding skin. It begins as a red lump, then fills with pus as white blood cells rush in to fight the infection. Good home care can often clear up a single boil, also known as a skin abscess. A doctor's care is needed when a boil resists treatment or develops in certain vulnerable areas of the body.
A boil, also known as a skin abscess or furuncle, is a painful, pus-filled lump that develops on the surface of the skin. Boils can be as small as a pea or as large as a golf ball and can develop on any part of the body.They are usually caused by the infection of a hair follicle or oil gland in the skin. The heat also draws pus to the surface of the boil, encouraging it to drain faster. 2  Lastly, the hot compress will help to relieve pain. 3  Instead of a hot compress, you can also soak the boil in warm water, if it is on an area of the body where it's convenient to do so.