Microbiology• Updated 21 October 2026

Wound Swab Culture

A swab from an infected wound or skin sore to find the bacteria and the right antibiotic.

Results: 2–3 days Specimen: Wound swab

Quick Summary

Primary Purpose

To identify bacteria in infected wounds, ulcers or abscesses.

What It Measures

Bacteria and antibiotic sensitivity.

Preparation

The wound may be cleaned first.

Overview

Swabs are most useful when a wound isn't healing or looks infected.

Results guide antibiotic choice.

What It Measures

Bacterial growth

Type.

Sensitivity

Effective antibiotics.

How It's Performed

  1. 01

    Sample

    A soft swab is gently rubbed on the area.

  2. 02

    Lab

    The swab is sent for testing.

  3. 03

    Results

    Your doctor contacts you with results.

Interpreting Results & Next Steps

Discuss with Doctor

Your doctor will explain what your result means and what happens next.

If values are High:

Growth of bacteria with signs of infection guides treatment.

Sources and further reading

Last updated 21 October 2026. For more detail, see these trusted health organisations.

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