Psoriasis is a common skin disorder that causes red, itchy, thick, and uncomfortable scaly patches, most commonly on knees, elbows, trunk and scalp. This disease causes skin cells to multiply up to 10 times faster than normal on skin’s surface. Some of the most effective drugs are Taltz, Enbrel and, Remicade. These drugs contain immunosuppressant which negates or reduces the chemical substance’s effects that can sometimes lead to inflammation.