The symptom is an inflamed lesion without the usual scaling found in the other types of psoriasis. It becomes more noticeable when the skin is subjected to rubbing from clothing material and when the body sweats. A less common type, erythrodermic psoriasis , appears on the skin as red skin with fine scales. It can be very irritating due to the severe itch and pain. Some swelling has been known to accompany this form of psoriasis.
Topical treatment can help reduce the itching and the pain.
Pustular Psoriasis is noted for its pustules, or blisters. These pustules is neither an infection or contagious. The pus is made up of white blood cells and poses no danger to anyone who touches it. This disorder is usually found on the feet or hands, but has been known to affect people on other areas of the body. This type causes swelling in the hands, feet, and in the large joints of the ankles, knees, hips, elbows, and the spine.