What is impetigo typically caused by?
Impetigo is a skin infection caused by one or both of the following bacteria: group A Streptococcus and Staphylococcus aureus. This page focuses on impetigo caused by group A Streptococcus (group A strep).
Is impetigo caused by poor hygiene?
Impetigo is made worse by poor hygiene and warm temperatures. What are the symptoms of impetigo? Impetigo starts as a small vesicle or fluid-filled lesion. The lesion then ruptures and the fluid drains, leaving areas that are covered with the honey-colored crusts.