ORF
Synonym: Ecthymacontagiosum; contagiouspustulardennatitis of sheep (Peterkin).
ORF is common in sheep from whom man occasionally becomes infected by contact. The initial lesion is single dark-red, painless, indurated papule, appearing on an exposed part of the body, usually the hands.
ORF slowly enlarges into a pustule with haemorrhage and surrounding inflammation.
Treatment of ORF
Spontaneous recovery takes place in 3 to 6 weeks, hence no treatment is required except to control secondary infection, if it occurs. Erythema multiforme may occur 1-2 weeks after orf.
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