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Ear abscess/ furunculosis image - Coggle Diagram
Ear abscess/ furunculosis 
Definition
Furunculosis of the external auditory ca- nal arises from a small localized infection involving a hair follicle.
Causes
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Carbuncles are clusters of several boils. Boils usually begin as red bumps, which quickly increase in size and fill with pus
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Pathophysiology
Boil (furuncle) is a localized deep suppurative necrotizing form of folliculitis which involves the dermis and the subcutaneous tissue. Staphylococcus aureus is the most common causative agent.
Following abrasion or cut the pathogen uses the wound site to invade and colonize the hair follicle. This leads to the formation of a tender erythematous perifollicular nodule.
Boils may become painful and fluctuant, leading to the discharge of pus and formation of necrotic plugs, which may leave a scar
Nursing interventions
Wash your hands as well at the boil site with an antibacterial soap to avoid spreading the staph bacteria to other areas of your body
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Avoid contact with other people's wounds. Keep any wounds clean and covered with clean, dry bandages until they heal.
Apply a warm, moist compress throughout the day to facilitate drainage.
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References
Habif TP. Bacterial infections. In: Clinical Dermatology: A Color Guide to Diagnosis and Therapy. 6th ed. Elsevier; 2016. https://www.clinicalkey.com. Accessed Aug. 1, 2019.
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