Does oral herpes akwyas have sores or can it jsut be a rash?

Yes-: Oral herpes is usually caused by hsv -1, which can present as a mouth ulceration or else, as a vesicular rash (a small, fluid filled pocket on the skin)

Both: The initial redness swells up, bursts, and then becomes the sore.

No: Usually herpes is localized. Sometimes a person is exposed for the first time, having no immunity for another 10 days, and has a wide distribution of sores. This is a danger for people with poorly controlled eczema. Recurrent episodes of herpes occur in the some spot and are constrained by immunity to a local area for a limited time.