Hello. Yes. Tiny Cluster Of Small Clear Blisters. Never Had

Hello. Yes. Tiny cluster of small clear blisters. Never had fever or pain. It's happened 3 times in the last 6.mons always after very hard sex and especially lots of oral sex been with same partner for past yr. She has shingles. It seems to go away after 3 days on its own. Never really gets red or irritated