Furuncles and Abscesses
Standard Treatment Guidelines and Essential Medicines List for South Africa, Hospital Level, Adults 2019 Edition
L02.0-4/L02.8-9/H00.0/H60.0/N76.4/J34.0 + (B95.6-8)
DESCRIPTION
- Localised bacterial skin infection of hair follicles (furuncle/boil) or dermis (abscess), usually with S. aureus.
- The surrounding skin becomes:
- swollen
- red
- hot
- tender to touch
Note
- Boils in diabetic, malnourished, or other immunocompromised patients are more likely to develop complications
- Check blood glucose levels and HIV status, if the boils are recurrent.
GENERAL MEASURES
Treatment will depend on the abscess size:
- Small furuncles should be managed with a moist, warm compress applied to the infected area, several times per day to promote drainage.
- Large fluctuant lesions should be treated with incision and drainage.
The following sites should be drained by a surgeon:
- Peri-rectal abscess
- Anterior and lateral neck abscess
- Abscess adjacent to nerves or blood vessels e.g carotid artery, facial nerve, central triangle of face (formed by the corners of the mouth and the nasal bridge).
Note
- Needle aspiration is insufficient for adequate abscess drainage.
- Systemic antibiotics are used only as indicated below
MEDICINE TREATMENT
Antibiotic therapy
Systemic antibiotics are seldom necessary, except for facial abscesses, or abscesses associated with tender draining lymph nodes, fever, or extensive surrounding cellulitis.
Antibiotics should usually be given for 5–10 days, depending on clinical response.
- Cefazolin, IV, 1 g 8 hourly
LoE:IIIbv
When there is clinical improvement, change to:
- Flucloxacillin, oral, 500 mg 6 hourly
Severe penicillin allergy: (Z88.0)
- Clindamycin, IV, 600 mg 8 hourly
When there is clinical improvement, change to:
- Clindamycin, oral, 450 mg 8 hourly
Standard Treatment Guidelines and Essential Medicines List for South Africa, Adult Hospital Level, 2020-2024_Version 1.0_07 November 2024
Chapter 4 Dermatology_4.4 Furuncles and Abscesses
Drugs mentioned
ICD-10 codes
- B95.6Staphylococcus aureus as the cause of diseases classified to other chapters
- B95.7Other staphylococcus as the cause of diseases classified to other chapters
- B95.8Unspecified staphylococcus as the cause of diseases classified to other chapters
- H00.0Hordeolum and other deep inflammation of eyelid
- H60.0Abscess of external ear
- J34.0Abscess, furuncle and carbuncle of nose
- L02.0Cutaneous abscess, furuncle and carbuncle of face
- L02.1Cutaneous abscess, furuncle and carbuncle of neck
- L02.2Cutaneous abscess, furuncle and carbuncle of trunk
- L02.3Cutaneous abscess, furuncle and carbuncle of buttock
- L02.4Cutaneous abscess, furuncle and carbuncle of limb
- L02.8Cutaneous abscess, furuncle and carbuncle of other sites
- L02.9Cutaneous abscess, furuncle and carbuncle, unspecified
- N76.4Abscess of vulva
- Z88.0Personal history of allergy to penicillin