I was diagnosed with hsv1 orally 3 years ago. I contracted it from my husband and my initial outbreak was terrible. Since then I have gotten 2 coldsores. I developed an ulcer like sore on my gum 3 days ago. I have some swelling in my gums near the sore. Wondering if this is another outbreak or maybe something else? I've started flossing more regularly and used listerine zero daily for 3 days prior to the sore showing up. Just confused because I've had coldsores since the initial outbreak and didn't expect to see anything like this again. Ugh.
Herpes is usually on the lips, not in the mouth or on the gums. My guess is that it's from the Listerine because of the timing, but you should see a dentist or your doctor to be sure.