Facebook Pixel

Impetigo Symptoms & Diagnosis


Symptoms of impetigo appear 4-10 days after exposure.

Symptoms may include:

  • Red spots, sores, or blisters, present on the skin of the face, arms, legs or other parts of the body, that:
    • Ooze and become covered with a flat, dry, honey-colored crust
    • Itch
    • May increase in size
    • Spread, especially if scratched
  • Swollen lymph nodes, in more serious cases

Normally, impetigo is a fairly mild condition. However, if left untreated, further problems could develop. This can include pain, swelling, spread of infection, discharge of pus, or fever. In rare cases, people whose impetigo is caused by Group A Streptococcus may develop:


The doctor will examine your skin lesions. Your doctor will also ask about your symptoms and medical history. Initial diagnosis is based on the appearance of your skin lesions.

If you have impetigo, a culture of the skin lesion may be done. This will show what specific bacteria are involved.

Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition. Copyright © 2023 EBSCO Publishing All rights reserved.

The Latest in Impetigo Symptoms & Diagnosis

ASK Your Health Question

It's FREE and you'll get a response within 24 hours


POST Info, Tips & Stories

Inspire others to learn from your experiences. Tell your story!

Get Email Updates

Impetigo Guide

Have a question? We're here to help. Ask the Community.


Health Newsletter

Receive the latest and greatest in women's health and wellness from EmpowHER - for free!