Sorry to hear about your diagnosis.
It's hard to tell from your description whether it's the old outbreak (OB) that's just not completely healed yet (and the skin has become torn) or whether it's a new OB. Either is possible.
You could try a healing ointment (like Mecca or Polysporin ...best applied with a Qtip or something other than bare fingers). If it doesn't look better in 24-48 hours, go back to your doctor and see if s/he thinks it's another OB. If it is (or if you start getting frequent OBs), you might talk to your doc about going on suppressive therapy (daily dose) for a while after the OB heals.
Good luck! Let us know how you make out.
And welcome to the board!