Plaque Psoriasis

Skin Conditions

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Plaque Psoriasis


Plaque psoriasis is a chronic autoimmune condition. It appears on the skin in patches of thick, red, scaly skin.

According to the National Institute of Arthritis and Musculoskeletal and Skin Diseases, plaque psoriasis is the most common form of psoriasis. It affects about 6.7 million adults in the United States.

Plaque psoriasis typically involves patches of rough, red skin and silvery white scales. This is because the skin cells receive a signal to produce new skin cells too quickly. They build up and shed in scales and patches.


Plaque Psoriasis signs and symptoms can vary from person to person. Common signs and symptoms include:

  • Patches of red skin with silvery scales
  • Itching, burning or soreness
  • Small scaling spots (commonly seen in children)


Most doctors and nurses can tell if a scaly or rough patch of skin is psoriasis. Sometimes a biopsy or a visit with a dermatologist is needed. During your visit, make sure to point out all of your abnormal patches of skin.


Physical trauma or something in the environment — such as a viral or bacterial infection — may trigger plaque psoriasis in people with an inherited tendency.

When you have psoriasis, it's important to follow the advice of your doctor. Still, you can do a lot on your own to help control and prevent flare-ups.

  • Use Moisturizing Lotions
  • Avoid Dry, Cold Weather
  • Use a Humidifier
  • Exercise and Maintain a Healthy Weight
  • Take Care of Your Skin and Scalp


The treatment of plaque psoriasis is different for everyone. Most dermatologists will start with the simplest and least invasive treatment.

Initial treatments include:

  • Topical Corticosteroids
  • Vitamin D
  • Salicylic Acid Ointments

Topical skin treatments require diligent application and the careful avoidance of skin irritants. If these are ineffective, several other treatments may be recommended, including:

  • Oral Systemic Medications
  • Skin Injections
  • Light Therapy

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