Introduction Sun allergy, medically called Polymorphic Light Eruption (PLE), is a common skin reaction to sun exposure, particularly in fair-skinned individuals. Unlike a simple sunburn, PLE is an immune-mediated response that causes itchy, red, or blistering rashes on sun-exposed areas. Though not life-threatening, it can cause significant discomfort and cosmetic concerns. Understanding triggers, symptoms, and preventive measures is key to managing PLE. Causes of Polymorphic Light Eruption Symptoms Tip: PLE rarely affects non-exposed areas like the torso or legs (unless accidentally exposed). Diagnosis Treatment and Management 1. Sun Protection 2. Topical Treatments 3. Oral Medications 4. Gradual Sun Exposure Prevention…