Impetigo is a common skin infection most often seen in children. It is caused by one of two types of bacteria:
- Staphylococcus aureus (staph for short)
- Streptococcus.
Staphylococcus, which causes
staph infections, is the most common type of infection that results in impetigo.
Streptococcus is the culprit in a minority of cases. It is best known for causing
strep throat, although it can cause a range of infections, including impetigo. Interestingly, the type of
Streptococcus that causes impetigo is rarely the same type that causes strep throat.
Several factors can increase a person's chances of developing impetigo. Some of these risk factors include:
- Being between the ages of two and five years old
- Warm, humid conditions
- Trauma to the skin (cuts, sores, shaving, or insect bites)
- People with scabies
- Living in crowded or unsanitary places, such as prisons, military barracks, or homeless shelters
- Physical contact with a person who has a draining cut or sore, or who is a carrier of Staphylococcus.
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