Many treatment guidelines for psoriasis rely heavily on body surface area (BSA) involvement to determine disease severity and eligibility for systemic therapies like biologics. Traditionally, patients with less than 10% BSA involvementespecially Real World Canadian Case Series: Use of Tildrakizumab for Moderate to Severe Psoriasis Guttate Psoriasis: Understanding the Condition, Guttate psoriasis is a type of psoriasis that appears as small, red, scaly spots on the skin, typically triggered by bacterial infections like strep Erythrodermic Flare Up of Psoriasis with Uncontrolled, Undiagnosed Diabetes Mellitus: A Case Report