A 2026 guide to vulvar blisters, yeast-related skin damage, genital herpes, irritation, testing, treatment, and when sores need medical evaluation People searching for yeast infection blisters may be surprised to learn that a typical vaginal yeast infection does not usually cause clusters of true fluid-filled blisters. A yeast infection can, however, make the vulva intensely itchy, swollen, red, sore, and irritated. If the itching is severe, scratching can break delicate skin and leave small cuts,…