Untreated psoriasis can lead to several serious complications. The chronic inflammation associated with psoriasis can damage blood vessels, nerves, and organs, potentially leading to cardiovascular diseases, such as heart attacks and strokes. Additionally, untreated psoriasis increases the risk of developing psoriatic arthritis, which causes joint pain and stiffness. Other potential complications include diabetes, mental health issues like depression and anxiety, and an increased risk of certain cancers. Therefore, managing psoriasis effectively is crucial to prevent these severe health issues.