The initial infection with HSV is known as  primary herpetic gingivostomatitis. It is characterized by oral ulcers, discomfort and inability to eat and is very painful. It may be associated with a fever.

This is a viral infection, so no Antibiotics are given unless there are signs of systemic involvement.

Antivirals are used and topical anesthetics. Commonly seen in children. The causative Agent is HSV1.