Psoriasis Types

Common Traits

Typical Locations

Notes

Plaque Psoriasis

Thick, red plaques with silvery-white scale; chronic and recurrent

Elbows, knees, scalp, lower back, arms

Most common form (~80–90% of cases)

Guttate Psoriasis

Small, droplet-shaped spots; sudden eruption, often post-infection

Trunk, arms, legs

More common in children and young adults; often linked to strep throat

Inverse Psoriasis

Smooth, red, shiny lesions with little or no scaling; worsens with moisture/friction

Armpits, groin, under breasts, belly folds

May coexist with other types; often mistaken for a fungal rash

Pustular Psoriasis

White pustules on red skin; can be painful and serious

Hands, feet (localized) or entire body

Localized cases are common; generalized form is rare and life-threatening

Erythrodermic Psoriasis

Widespread redness, shedding, and inflammation; medical emergency

Full-body or large surface area

Rare, severe, and may require hospitalization