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What is Psoriasis?

What is Psoriasis?

Psoriasis (Psoriasis), is a common chronic skin disease and it is not infectious. Psoriasis the imbalance of the human immune system, making skin inflammation and excessive cell growth conditions, it is a non-contagious chronic skin inflammation.  Chance for men and women having psoriasis are very the same. Anyone in any age may suffer from psoriasis, however, it happens more often in adults; many patients were between the age of 15-35 when they were first diagnosed with psoriasis. Psoriasis affects not only the appearance and daily life of patients, it may also cause chronic inflammation of joints. 30% of psoriasis patients also are diagnosed with arthritis.

Causes of Psoriasis
Detailed causes of psoriasis are still unknown. The medical profession believes that it is caused by the unbalance of the immune system guided by the T lymphocytes.  Skin epidermal cell growth too fast; it is 5 to 7 times faster than normal growth. Psoriasis seems to be genetic. Approximately 30% of psoriasis patients have family history of such disease.

Psoriasis Symptoms

  • skin itchiness, red papules or plaques, are multi-surface roughness and long silvery-white scales.
  • common locations include: the scalp, elbows, knees, abdomen, back, buttocks and genitals.
  • thickened nails
  • inflammation of the joints or deformed joints
  • serious red pustules

Types of Psoriasis

  • psoriasis, also known as plaque psoriasis, accounting for about 90% of patuents
  • joint psoriasis, accounting for 10%- 30% if patients
  • pustular psoriasis
  • erythrodermic psoriasis

Possible causes of psoriasis

  • skin injury or trauma
  • infections, especially streptococcal upper respiratory tract infection.
  • drugs
  • emotional stress
  • seasonal variation
  • alcohol and smoking