By Patrick J. Skerrett, Executive Editor, Harvard Health. American Academy of Allergy, Asthma & Immunology Don’t perform unproven diagnostic tests, such as immunoglobulin G (IgG) testing or an indiscriminate battery of immunoglobulin E (IgE) tests, when evaluating a possible allergy. For uncomplicated acute sinusitis, don’t order sinus computed tomography (CT) or indiscriminately…...
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