<human>: Can you summarize the given text in a few sentences?

I've had cold sores in the past but had gone on a lucky 3-year streak without.

I felt what I thought was the tingle and used Abreeva as I have in the past. Next day there was a small string of what I thought would grow to be the normal fever blister. Luckily, they remained small and painless (pic here  -- completely unlike cold sore experiences in the past.

Now 4+ weeks have passed and they're still there. I did a digital dr. visit yesterday and got a 1-dose rx of Valtrex which I took yesterday. I really want this gone asap -- even without the normal cosmetic woes, dealing with the paranoia of spreading is awful. Can anyone advise if this is a cold sore and if there's anything to be done with one that's lingered for a month?
<bot>: Small row of bumps that I'm unsure if is a cold sore ( due to lack of severity (size/pain) and duration (1 month+) - could this be something else?