Topic: eczema, vitiligo, Stevan Johnson’s syndrome, Lichen Planus

Question: A young adult presents with erythematous, raised scaly flakes of various sizes all over the body, especially the extensor aspect. What other areas will you examine and what clinical test will you perform to clinch the diagnosis. Enumerate the involvement of other systems and their presenting features. List the drugs that can be used in cases, not responding to the standard management.