Impetigo

A contagious bacterial skin infection common in children, causing sores with honey-coloured crusts.

SkinInfectionChildrenLast updated: 21 October 2026

Quick Summary

Primary Symptoms

Red sores, often around the nose and mouth, that burst and form golden crusts; sometimes blisters.

Common Treatments

Antibiotic cream such as mupirocin or fusidic acid; tablets for widespread infection.

Risk Factors

Young age, warm humid weather, crowded conditions, cuts, insect bites and eczema.

OverviewSymptomsCausesTreatmentFAQ

Overview

Impetigo is caused by Staphylococcus or Streptococcus bacteria and spreads easily by touch.

Keep sores clean and children away from school until crusts heal or 48 hours after starting treatment.

Symptoms

Sores

Red sores that burst.

Golden crusts

Honey-coloured.

Itching

Scratching spreads it.

Blisters

In bullous impetigo.

Causes & Risk Factors

Biological Causes

Bacteria infecting the top layer of skin.

Key Risk Factors

  • Age Children 2–5.
  • Climate Hot and humid weather.
  • Skin damage Cuts, bites and eczema.

Management & Treatment

01. Antibiotic cream

Mupirocin or fusidic acid.

02. Tablets

For widespread infection.

03. Hygiene

Wash hands, don't share towels.

Frequently Asked Questions

Is impetigo contagious?
Yes, until treated.
When can my child return to school?
When crusts heal or 48 hours after starting antibiotics.

Sources and further reading

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