A runny or stuffy nose and non-stop sneezing can leave you feeling miserable, but is it a cold or are allergies taking a toll? Finding out whether your symptoms are caused by a cold or allergy is the first step to finding relief, according to allergist Dr. Steven McEldowney of Allergy and Asthma Care of Blakeney, a member of the American College of Allergy, Asthma and Immunology (ACAAI) and an expert at diagnosing and treating allergies and asthma.