When it is scattered, uniformly or irregularly, over the entire surface.

When is an eruption universal?

When the whole integument is involved, without any intervening healthy skin.

When is an eruption said to be discrete?

When the lesions constituting the eruption are isolated, having more or less intervening normal skin.

When is an eruption confluent?

When the lesions constituting the eruption are so closely crowded that a solid sheet results.

When is an eruption uniform?

When the lesions constituting the eruption are all of one type or character.

When is an eruption multiform?