The drug atlas
Surgery & Perioperative/Emergency / general

Incision & drainage of abscess

also: I&D · abscess drainage · source control

Overview

Draining a collection of pus — the principle that "antibiotics alone do not treat a walled-off abscess".

Mechanism

Incision releases pus and relieves the collection that antibiotics cannot penetrate — the core surgical principle of source control.

Indications

  • Cutaneous/soft-tissue abscess
  • Any drainable collection (source control in sepsis)

Adverse effects

Recurrence / incomplete drainagecommon
Scarring; bleedingcommon

Cautions & contraindications

Treating a fluctuant abscess with antibiotics aloneall

Will not resolve — needs drainage.

Choosing it

Fluctuant, tender, erythematous swelling with pus; not improving on antibiotics alone.

Source: NICE CKS — Abscess