You are experiencing what we call post-inflammatory erythema after a photodynamic therapy (PDT). 6 weeks a bit longer than usual. You should see a board-certified dermatologist and consider low-dose anti-inflammatory antibiotics and adhere to consistent daily sun protection. Avoid triggers of facial flushing such as caffeine, alcohol, hot beverages, spicy food, and sun exposure. If redness persists for another few weeks, you may want to consider IPL photofacial. Some patients also have had success with OTC Afrin spray (generic okay) on the skin to achieve few hours of temporary redness relief.


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