PTGS1 and chronic rhinosinusitis: One of the chronic conditions for which patients are recommended to use a form of medical ID is Aspirin-Exacerbated Respiratory Disease (AERD) [1]which is diagnosed by the presence of asthma, chronic rhinosinusitis with nasal polyps and a sensitivity to aspirin and other cyclooxygenase-1 (COX-1) inhibitors, including nonsteroidal anti-inflammatory drugs (NSAIDs).