What is a common symptom of a psoriasis flare-up?

A common symptom of a psoriasis flare-up is itching and redness. Psoriasis is a chronic autoimmune condition that primarily affects the skin, leading to the rapid growth of skin cells. This abnormal cell cycle leads to the characteristic plaques that are often accompanied by severe itching and inflammation. Patients typically experience red patches of skin covered with thick, silvery scales, which can be very itchy. The involvement of itching and redness during flare-ups is a key indicator that the condition is active and exacerbated.

The other symptoms listed do not align with the typical manifestations of a psoriasis flare-up. While dry, flaky skin can occur due to the accumulation of skin cells, it is not as directly indicative as the itching and redness. Frequent urination and increased hair growth are not symptoms associated with psoriasis, as they relate to other medical conditions and do not reflect the dermatological nature of psoriasis itself. Understanding the specific symptoms of psoriasis helps in recognizing flare-ups and managing the condition effectively.