Symptoms CoughingHeadacheItching of the nose, mouth, eyes, and throatRunny nose (rhinorrhea)Smell -- impairedSneezingSore throatStuffy nose (nasal congestion)Watery eyesWheezingThe patient's history is important in diagnosing hay fever, including whether the symptoms vary according to time of day, the season, exposure to pets, diet changes, or other sources of potential allergens.Skin testing is t