Is psoriasis itching? Read on to learn more about this skin disease. Psoriasis is a chronic skin condition caused by an overactive immune system, which leads to the rapid buildup of skin cells. While itching is one of the most common symptoms of psoriasis, it’s far from the only challenge those with the condition face. Flare-ups, where symptoms worsen significantly, can be triggered by a variety of factors, making it crucial to understand what ...