Another sinus infection? It may not be just your allergies. Patients with recurring sinus infections or pneumonia may have underlying immunodeficiency, and in some of these cases, immunoglobulin replacement can be life changing. We are expert at evaluating the status of your immune system to help you be healthy and feel your best. Dr. Robert Valet is a board-certified allergist and expert at diagnosing and managing immunodeficiencies. Call 615-212-3012 to schedule a consultation.