The boil is a deep folliculitis with perifollicular necrosis whose causative agent is Staphylococcus aureus (S. aureus), causing suppuration and necrosis of the follicle and surrounding dermis. These are removed as a yellowish mass. At the top of the lump appears a yellowish pustule that is soon to open, and the pus is eliminated.
Sometimes the evolution is simpler. Anthrax, more serious, is formed by the simultaneous evolution and combination of several furuncles.
The furoncloïdes myiasis (eg.
The evolution of a boil, in most cases follows the same progression. An abscess forms at the site where the skin was irritated. This abscess, small at first, will gradually grow and form pus inside. May appear a reddish area around the abscess. Gradually, the boil will become increasingly painful. This change will take up to two weeks. The treatment of furuncle will subsequently evolve in different ways.
You should never handle a boil to prevent the spread of the organism in the subcutaneous tissues, causing erysipelas. It should make an antiseptic dressing until maturation.
Surgical excision may be useful in some forms.
Antibiotics are justified only in severe forms.
The role of vaccine therapy is reduced as a result of incidents and difficulties of application.
Oculo-urethro-synovial Impetigo