Blisters are small fluid-filled bumps found under the top layer of skin.
If the blisters are more than 5mm in size, with thin walls and filled with watery fluid, it is called a bulla or a bleb.
Blisters are small fluid-filled bumps found under the top layer of skin.
If the blisters are more than 5mm in size, with thin walls and filled with watery fluid, it is called a bulla or a bleb.