A case of pustular psoriasis in a young boy.AbstractMeera K, MD (IMU),MRCP (UK), T. Taib, MD, MMed, Advn.MDerm. We report on a 13-year-old boy who presented with erythroderma secondary to generalised pustular psoriasis. He presented with generalised erythematous skin with patchy areas of pustules for one week duration. He was well until one month prior when he started having small scaly plaques on his scalp and extensors of his legs. During the acute episode, he also had joint pain and bilateral eye conjunctivitis. Skin biopsy confirmed pustular psoriasis. He developed leucocytosis and transaminitis during the acute phase of the pustular eruption while on azathioprine and therefore was withheld. Subsequently, treatment with oral cyclosporine induced remission for his skin and joint disease.Conclusion The case is hereby reported because of its rarity in its presentation and clinical features. Oral cyclosporine should be considered in patients with generalised pustular psoriasis complicated with transaminitis. Word count : 133