Acute gingivostomatitis is the commonest manifestation of primary herpetic infection.
The patient experiences pain and bleeding of the gums. 1 - 8 mm ulcers with necrotic bases are present. Neck glands are commonly enlarged accompanied by fever.
Usually a self limiting disease which lasts around 13 days.
Herpes labialis (cold sore)
Following primary infection, 45% of orally infected individuals will experience reactivation. The actual frequency of recurrences varies widely between individuals.
Herpes labialis (cold sore) is a recurrence of oral HSV.
A prodrome of tingling, warmth or itching at the site usually heralds the recurrence. About 12 hours later, redness appears followed by papules and then vesicles.