Allergic alveolitis due to bird antigens was diagnosed in a 12-year-old boy. He suffered from cough, dyspnea, easy fatigue, anorexia, and severe weight loss. The diagnosis was verified by a gradual improvement when he was removed from the birds, exacerbation upon re-exposure, and the demonstration of serum precipitating antibodies against bird antigens. The patient recovered completely after a short course of oral prednisolone, treatment with inhaled nebulized budesonide for 3 months, and removal of the birds from his home.
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Carlsen et al. (1992) studied this question.