But there may not be a known cause of your runny nose. Doctors call this nonallergic rhinitis or vasomotor rhinitis. Bacterial and viral sinus infections display similar symptoms, such as a stuffy nose and fever. The duration of the infection can help determine if it… Blow your nose gently to https://www.linkedin.com/feed/update/urn:li:share:7356320248985194496/?actorCompanyId=77283885