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Eight Types of Psoriasis

Woman scratching wrist

August is Psoriasis Awareness Month, an annual, nationwide campaign designed to spread the word about the skin condition that hits Americans with upward of 150,000 new cases each year. Affecting both men and women, psoriasis typically emerges during a person’s 20s or 50s and manifests in eight types.

  1. Plaque psoriasis: The most common type of psoriasis, accounting for up to 80 percent of cases according to the American Academy of Dermatology. It causes itchy, painful red skin lesions and silver scales that can occur anywhere on the body, including inside the mouth and on the genitals.
  2. Scalp psoriasis: Symptoms include dry, itchy, often flaky scalp that can cause flakes. While it’s tempting to scratch affected areas, this can cause bleeding.
  3. Nail psoriasis: Psoriasis of the fingernails and toenails can cause your nails to weaken, crumble and appear pitted and discolored. In severe cases, nails may even separate from your nail bed – a condition called onycholysis.
  4. Psoriatic arthritis: This advanced type of psoriasis is marked by joint stiffness and swelling and effects up to 50 percent of those with the condition.
  5. Guttate psoriasis: Often triggered by a bacterial infection, this type of psoriasis generally affects children and young adults and is marked by fine-scaled skin sores appearing on the scalp, torso, arms and legs.
  6. Inverse psoriasis: Brought on by fungal infections and exacerbated by perspiration, this type of psoriasis causes patches of red, irritated skin in in the armpits, under breasts, or around the genitals and groin. It’s most common in obese patients.
  7. Pustular psoriasis: This rare type of psoriasis comes on quickly, initially manifesting with red, tender, inflamed skin that gives way to puss-filled blisters within hours and can cause fever, chills, diarrhea and even kidney and liver problems. Flare-ups can be triggered by infection, irritation and certain medications, and treatment may require hospitalization.
  8. Erythrodermic psoriasis: Uncommon but severe, this type of psoriasis can affect the entire body. Symptoms include red, peeling, itchy and burning skin. Triggers include certain medications (particularly corticosteroids), phototherapy treatment, sunburn and psoriasis that has spread out of control.

If you suspect a case of psoriasis, schedule a consultation at your nearest Metropolitan Dermatology location in Clark, Kearny, Teaneck, Jersey City, West New York or Staten Island.

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