Yes, these could indeed be herpes. Because your doctor can only diagnose this by examining and culturing the blisters when they're present--and they may not come back for a long time--your best bet is a blood test called herpes 2 IgG. Ask your doctor to order this test. If it shows herpes, you could potentially spread herpes to a partner who doesn't wear a
condomCondoms
Female condoms even if you don't have any blisters at the time. So you should find out.
Take care.
Dr. Rockoff