This could be a small cut from the use of the speculum. Sometimes with vaginal procedures, the speculum must be manipulated for an adequate view of the inside of the vagina. Applying A and D cream to the cut can help it to heal. This is found in the section of the pharmacy where baby products are found, it is the yellow type, not the white zinc oxide brand. Herpes is a cluster of blisters that are filled with clear fluid. The blisters will burst and then scab over. Suspected herpes should be cultured by a Dr to make a diagnosis.