The role of additives in allergic vasculitis during intravenous hyperalimentation

A 39-year-old woman who had previously undergone a jejunoileal bypass for morbid obesity was receiving intravenous hyperalimentation. The patient developed allergic vasculitis while receiving fluid which contained a multi-vitamin solution. Rechallenge with this preparation resulted in an exacerbation of her skin lesions. The possible role of such additives in the development of unusual hypersensitivity reactions is discussed.