Types of Impetigo

Bullous impetigo is caused by Staphylococcus aureus. It usually forms larger blisters or bullae filled with a clear fluid that becomes darker and cloudy. The blisters can be up to 2 centimeters in diameter (about .78 inch) .

Impetigo is a common bacterial skin infection caused by Group A Streptococcus (GAS) or "strep." What is Group A Streptococcus (GAS)? Group A Streptococcus (GAS) or "strep" is a common bacterium (bacterium is the singular form of the plural, bacteria) that is found on the skin or in the throat ("strep throat").

Non-bullous impetigo is the most com-mon of these three types, Impetigo is contagious, meaning it is easy to spread it to other parts of your body or to other people such as family members or classmates If the fluid that oozes from impetigo blisters touches an open area on your skin, you may get impetigo too.