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 skin boil is a painful condition caused by the Staphylococcus aureus bacterium. Find out more here. A skin boil, also called a skin abscess, is a kind of an infection that is localized on any part of the skin. It usually begins with the area becoming red and tender. After a while, it becomes hard and firm.