Hay fever

Key facts Hay fever (allergic rhinitis) is an allergic response from your immune system that causes sneezing, runny nose and watery, itchy eyes. Hay fever can be triggered by seasonal allergens like pollens and grass or year-round triggers like dust mites, and animal fur. See your doctor if your hay fever symptoms are ongoing and affect your day-to-day living. Most people manage hay fever by avoiding allergens in their daily life, and with medicines such as antihistamines and nasal sprays. Allergy testing can help to identify potential triggers for hay fever, but should be considered together with your history and