Types of Psoriasis: Identify Your Type & What It Means
Types of Psoriasis: Identify Your Type & What It Means for Treatment
There are 8 distinct types of psoriasis — and they can look completely different from each other. Knowing which type you have isn't just academic: it directly determines which treatments are appropriate, which to avoid, and where to look for it on your body.
Types of Psoriasis: How to Identify Each One
A complete visual and clinical guide to all 8 types of psoriasis — plaque, guttate, inverse, palmoplantar, pustular, erythrodermic, nail, and psoriatic arthritis. Covers where each type appears, what it looks like, what triggers it, and how treatment differs between types. The definitive starting point for anyone trying to identify what they're dealing with.
Read this first →Most common — 80–90% of cases. Raised, well-defined red plaques with silvery-white scale. Typically on elbows, knees, scalp, lower back.
Affects 45–56% of people with psoriasis. Thick silvery scale, intense itch, often extending beyond the hairline. Frequently mistaken for dandruff.
Small drop-shaped spots across the torso. Often triggered by streptococcal infection. More common in children and young adults.
Smooth, bright-red patches in skin folds — armpits, groin, under breasts. No scale. Worsened by friction and sweat.
Thickened plaques and deep fissures on the palms and soles. One of the most disabling forms despite limited body surface area affected.
Pus-filled blisters on reddened skin — sterile, not infectious. Can be localized (palms and soles) or widespread. Generalized form requires emergency care.
Pitting, discoloration, thickening, or separation of the nail from the nail bed. Affects up to 50% of people with psoriasis. Key predictor of psoriatic arthritis.
Rare and severe. Sheet-like shedding over large body surface areas. A medical emergency requiring immediate care.
Joint inflammation alongside skin symptoms. Affects up to 30% of people with psoriasis. Requires early treatment to prevent irreversible joint damage.
Plaque Psoriasis: Symptoms, Causes, and Treatment
The full guide to the type affecting 80–90% of people with psoriasis. Symptoms, triggers, treatment tiers from OTC to biologics, and daily skin care.
Read article →Scalp Psoriasis: Complete Guide
Symptoms, full treatment pathway from medicated shampoos to biologics, application technique, hair loss prevention, and daily hair care.
Read article →Palmoplantar Psoriasis: Complete Guide
Why palms and soles are uniquely difficult to treat, the full fissure and scale management approach, occlusion technique, and daily management strategies.
Read article →Guttate Psoriasis: What It Is and Why It Appears Suddenly
The strep throat connection, what the three possible long-term paths are, and how treatment differs from plaque psoriasis.
Read article →Pustular Psoriasis: Symptoms, Types, and Treatment
All three subtypes — GPP (emergency), PPPP (chronic), and ACH (rare) — with their distinct treatment approaches and urgency levels.
Read article →Erythrodermic Psoriasis: Why It's a Medical Emergency
What triggers it, why widespread skin barrier failure becomes life-threatening, and when to go to the emergency room.
Read article →Nail Psoriasis: Symptoms, Treatments, and Nail Care Tips
How to distinguish nail psoriasis from fungal infection, treatment options, and why nail changes are a key psoriatic arthritis risk signal.
Read article →Psoriatic Arthritis: When Psoriasis Affects Your Joints
Early warning signs, the five subtypes, how to distinguish PsA from rheumatoid arthritis, and why the window for early treatment matters.
Read article →Inverse Psoriasis: Causes, Symptoms, and Best Treatments
Why skin fold psoriasis looks nothing like typical plaque psoriasis, how to manage it without high-potency steroids, and the secondary infection risk.
Read article →Palmoplantar Psoriasis and Psoriatic Arthritis
When both conditions affect the same hands and feet simultaneously — how to recognize joint involvement alongside skin symptoms and why early treatment matters.
Read article →Is It Psoriasis or a Skin Allergy? What to Look For
Red, itchy skin can be psoriasis, contact dermatitis, or another allergic reaction — and treating one like the other makes things worse. A practical guide to telling them apart.
Read article →Psoriasis vs. Eczema: How to Tell the Difference
Two of the most commonly confused chronic skin conditions. Different causes, different locations, different treatments — using the wrong approach delays real relief.
Read article →Scalp Psoriasis or Dandruff? How to Tell the Difference
Why anti-dandruff shampoos don't work on scalp psoriasis, the key visual and clinical differences, and a 6-question self-check.
Read article →Palmoplantar Psoriasis vs. Palmoplantar Pustulosis
Two conditions affecting the same locations with very different causes, flare patterns, and treatment philosophies. Getting the diagnosis right changes the outcome.
Read article →Treatment that works for plaque psoriasis — and most other types too.
Nopsor's coal tar and salicylic acid system addresses the two core problems in most psoriasis types: abnormal skin cell turnover and scale buildup. Steroid-free, no prescription needed.
See the Nopsor Treatment Set — $6840-day money-back guarantee · No prescription needed
New to Psoriasis? Start With the Basics
Before diving into types and treatments, understand what psoriasis actually is — the autoimmune biology, common triggers, and what living with it looks like day to day.
Explore Psoriasis 101 →Now That You Know Your Type — Treatment Options
Different types respond to different treatments. The Treatments section covers coal tar, salicylic acid, scalp care, and product choices — with guidance on which applies to which presentation.
Explore Treatments →Psoriasis by Life Stage
How psoriasis presents and is managed differently across pregnancy, postpartum, infancy, childhood, and adolescence — a complete guide by life stage.
Explore Life Stages →Palmoplantar Psoriasis — Why It's Personal
Ernesto Aguilar Jr., Nopsor's CEO, developed palmoplantar psoriasis in 2012 — one of the most debilitating presentations. His father's formula put it into remission in 2016.
Read the story →