[Foobar]

From experience, Nettex Bactocyde sprayed on daily helps speed up the healing and stops it spreading.

[Thyme]

I've seen two cases of orf this year, both in ram lambs.  The first time my partner talked me into doing blue spray, despite my "it's a virus!" protests.  The orf was all gone in two weeks.  The second time I resisted and didn't do anything other than watch the ram lamb closely to make sure it wasn't spreading and that he was still eating his hay.  And the orf was all gone in two weeks