Wondering why is your nose dripping and your eyes watering profusely? Watery eyes and runny nose problems can be caused by crying, cold temperature, spicy foods, sleep apnea masks, nasal decongestant sprays, illicit drug use, occupational exposure, medications for high blood pressure, erectile dysfunction, and foreign body, masses or polyps in the nose. Read the following to know all about Watery Eyes and Runny Nose, Causes & Treatment.