Impetigo – Definition, Age Grops Affected, Types, Risk Factors
Last Updated : 1/2/2014
Ira Shah
Definition of Impetigo: It is a bacterial skin infection which is highly contagious. (1) It appears as honey crusted sores. (2)

Age groups affected: It almost exclusively affects pre-school children from 2-5 years. (2) It spreads by direct contact with someone who has the infection. Bullous type occurs mostly in neonates. (1)

Types of Impetigo:
- Bullous Impetigo
- Non- bullous(Impetigo Contagiosa) - Predominant type.

Risk Factors for Impetigo: Contaminated water, crowded living conditions, humidity and heat, lack of proper education, lack of personal hygiene and warmer months of summer and autumn. (3)

Causative Organism: Staphylococcus aureus and Group A Beta hemolytic Streptococcus are both responsible for the non bullous type. The bullous type is caused by a staphylococcal toxin which causes breakdown of the epidermis layer of the skin. (1)


Contributor Information and Disclosures

Ira Shah
MBBS, KEM Hospital, Mumbai, India

First Created : 1/23/2013
Last Updated : 1/2/2014


Advertisements by :    Mega-CV by Aristo IndoIV by Sun Pharma
Disclaimer: The information given by is provided by medical and paramedical & Health providers voluntarily for display & is meant only for informational purpose. The site does not guarantee the accuracy or authenticity of the information. Use of any information is solely at the user's own risk. The appearance of advertisement or product information in the various section in the website does not constitute an endorsement or approval by Pediatric Oncall of the quality or value of the said product or of claims made by its manufacturer.
Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.