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• A to Z: Bullous Myringitis

  Learn about bullous myringitis, an infection of the tympanic membrane (eardrum).

• A to Z: Burn, First-Degree

  A first-degree burn is a minor burn that only affects the top layer of skin, or epidermis. It is the mildest of the three types of burns (first-degree, second-degree, and third-degree).

• A to Z: Burn, Second-Degree

  A second-degree burn affects the top two layers of skin (the epidermis and dermis). It is more serious than a first-degree burn.

• A to Z: Burn, Third-Degree

  Third-degree burns, or full-thickness burns, are the most serious type of burn. They involve all the layers of the skin and underlying tissue and can cause permanent damage.