April showers bring May flowers, but according to the Allergy and Asthma Network, they also bring elevated pollen counts, making May the worst month for those with allergies in most US regions. “Allergies to airborne allergens such as pollen can cause symptoms including sneezing, a runny nose, nasal congestion, an itchiness in the nose and throat and red, watery eyes,” explains Dr. Stephanie Kayode, a consultant allergist at Allergy Care London, describing signs of hay fever or allergic rhinitis. “These symptoms occur because pollen allergens provoke inflammation and swelling within the nose, eyes and throat when inhaled.”To find out how…