<prompt> In Hartnup disorder what is seen?Pellagra like rashBurn feet rashAlopeciaVitiligo  <response>: a. Pellagra like rashRef: Nelsons 20e p 648-649Clinical Features of Hartnup Disorder:Most children with hartnup defect remain asymptomaticIn symptomatic patients cutaneous photosensitivity and pellagra-like rash on sun exposureSome patients may have intermittent ataxia manifested as an unsteady, wide-based gait 