What is the prognosis of oral herpes?

Pain and symptoms of oral herpes usually disappear completely within 2 to 3 weeks without scarring. However, under certain stress conditions, sores may reappear. Few people have some complications:
Atopic eczema
encephalitis
Keratoconjunctivitis
pharyngitis
hepatitis
Herpes outbreak (HSV blisters or lesions on finger [s])