Summary: a cluster of small blisters filled with clear or whitish fluid. The classical herpes sore is just this: a group of small blisters (vesicles) on a red base of inflamed skin (see Figure 1). Figure 1 One example of a herpes sore: vesicles clustered on a swollen red base on thigh. In many cases, these blisters are never seen, and the first signs of infection are small
Image Dimensions: 280 x 222
Image originally found here.