Home > Allergy > Hayfever Get the Flash Player to see this player. Rate: (Click the stars to rate) Published on Aug 13, 2008 by AMorris, Views: 6018 Dr. Adrian Morris, an allergy specialist in the UK, discusses hayfever. Hay fever is very common and caused by grass and tree pollen. Symptoms include runny nose, itchy eyes, runny eyes, cough, and sneezing. Being prepared early in the season with anti histamines, blowing your nose frequently, and a nasal salt water nose spray.