Thanks for the query,Herpes
is an infection of nerves so it can cause pain,
Although pain is not commonly seen as the lesions are localised.
Take analgesics and see if it comes down,
also you can try gabapantene.
Please meet a dermatologist
if the lesions increase
Let me know if you have any other doubt.
you can ask a direct question to me on this forum, following the below link.
Wishing you a good health.