Psoriatic arthritis is a form of inflammatory arthritis that affects people who have psoriasis. This disease may develop as a result of psoriasis or in some people, lead to psoriasis – a disease of the skin in which red, flaky patches with silver-white scales appear in the skin.
Psoriatic arthritis symptoms differ in people, and the symptoms are quite similar to the other types of arthritis, making it quite tricky to diagnose this disease. This disease combines the symptoms of both psoriasis and arthritis, and it has caused a lot of people to be disabled because of the negative effect it has on the joints, spinal column, skin, and even the eyes. How do you know if you have this disease? Below are the signs and symptoms of psoriatic arthritis. 
Psoriatic arthritis is a disease that occurs with psoriasis. Hence, one of the first signs of psoriatic arthritis is psoriasis.
Psoriasis is a skin disease in which the skin is thick, red, and flaky and with silver-white scale patches. Most people are diagnosed with psoriasis first before the disease progresses to psoriatic arthritis. This is because psoriasis causes your skin cells to build up too quickly and this could result in your joints being inflamed.
In some cases, however, psoriatic arthritis is what brings on skin diseases. It is possible for you not to experience any skin disease until you are diagnosed with psoriatic arthritis, then the skin problems start breaking out.