Skin Boil Evaluation
The evaluation of a furuncle starts with a history and physical examination.
The diagnosis of a furuncle is made during physical exam.
Physical findings in someone with a furuncle include:
- Skin lump:
- Tender and swollen lump under the skin around a hair follicle
- Skin redness
- Pus draining from the skin
Tests that may be used to evaluate a furuncle include:
- Bacterial culture of the pus
Continue to Skin Boil Treatment
- Hedrick J. Acute bacterial skin infections in pediatric medicine: current issues in presentation and treatment. Paediatr Drugs. 2003;5 Suppl 1:35-46. 
- Laube S, Farrell AM. Bacterial skin infections in the elderly: diagnosis and treatment. Drugs Aging. 2002;19(5):331-42. 
- Winthrop KL, Abrams M, Yakrus M, Schwartz I, Ely J, Gillies D, Vugia DJ. An outbreak of mycobacterial furunculosis associated with footbaths at a nail salon. N Engl J Med. 2002 May 2;346(18):1366-71.