The medications used to treat psoriasis and psoriatic arthritis could have side effects. It depends on the specific medication used. You need a regular follow-up with your doctors and regular blood testing to monitor for these side effects. There has been a significant scientific advancement in the treatment of psoriatic arthritis. There are multiple very effective and reasonably safe medication to control the inflammation. This has significantly reduced the overall long-term complications with the condition. These medications target a specific pathway in the immune dysregulation, and they effectively control the disease. Hence, it could impede your overall quality of life.