Psoriasis

Definition

Psoriasis is a chronic autoimmune disorder characterized by the rapid growth of skin cells, leading to thick, red, scaly patches. It involves an abnormal immune response that triggers inflammation and skin cell proliferation.

5 Must Know Facts For Your Next Test

1. Psoriasis is caused by an overactive immune system that mistakenly attacks healthy skin cells.
2. Common symptoms include red patches of skin covered with silvery scales, dry or cracked skin that may bleed, and itching or burning sensations.
3. Genetic factors play a significant role in the development of psoriasis, with certain genes associated with an increased risk.
4. Psoriasis can be triggered by environmental factors such as stress, infections, and injuries to the skin.
5. Treatment options include topical treatments, systemic medications, and phototherapy to manage symptoms and reduce flare-ups.

Review Questions

• What is the primary cause of psoriasis?
• Name two common symptoms of psoriasis.
• How do genetic factors influence the risk of developing psoriasis?

Related terms

Autoimmune Disorder: A condition where the immune system mistakenly attacks the body's own tissues.

Systemic Medication: Drugs that affect the entire body rather than a specific area.

Phototherapy: A treatment method that uses ultraviolet light to reduce inflammation in skin conditions like psoriasis.