Guttate psoriasis. Numerous, generalized papules may abruptly occur following streptococcal pharyngitis.

Guttate psoriasis. Papules are 0.5–1 cm, red, and covered with typical psoriatic silvery scale.

Erythrodermic psoriasis. This form is usually generalized with minimal scale. Erythema is intense and the patient loses body heat.

Pustular psoriasis. Numerous pustules arise from a red base. The wave of scale appears as the pustules evolve and expands outward.