Hay Fever (Allergic Rhinitis)
Symptoms, Causes and Treatment for Pollen Allergy in London
Hay fever (allergic rhinitis) is one of the most common allergic conditions in the UK, affecting up to 25% of adults and children. It is caused by an IgE-mediated reaction to airborne allergens such as pollen, leading to symptoms including sneezing, nasal congestion, itchy eyes and fatigue.
At the London Allergy and Immunology Centre, we provide specialist diagnosis and treatment for hay fever, including advanced allergy testing, personalised treatment plans and allergy immunotherapy for patients with persistent or severe symptoms.
Specialist hay fever diagnosis and treatment in London, including allergy testing and immunotherapy.
What is Hay Fever?
Hay fever is an allergic inflammation of the nasal passages triggered by pollen from trees, grasses or weeds. When inhaled, pollen allergens trigger the immune system to release histamine and other inflammatory mediators.
Typical hay fever symptoms triggered by airborne pollen, including sneezing, nasal congestion and itchy, watery eyes.
Symptoms may be seasonal (spring/summer) or persistent depending on the allergen. Grass pollen is the most common cause in the UK.
Common Symptoms of Hay Fever
✔ Nasal congestion or blockage
✔ Itchy nose, throat or ears
✔ Red, itchy or watery eyes (allergic conjunctivitis)
✔ Post-nasal drip and cough
✔ Fatigue and poor sleep
Symptoms often worsen during high pollen counts, early mornings, or outdoor exposure. Many patients also report reduced concentration and quality of life.
Types of Pollen Allergy in the UK
Tree Pollen (Spring)
Birch, alder and hazel pollen commonly cause symptoms from March to May.
Grass Pollen (Summer)
The most common trigger in the UK, peaking between May and July.
Weed Pollen
Includes mugwort and ragweed, typically later in summer.
Diagnosis and Allergy Testing
Accurate diagnosis is essential to identify the specific pollen trigger and guide treatment.
Clinical Assessment
Detailed review of symptoms, triggers and seasonal pattern.
Skin Prick Testing
Rapid testing to identify sensitisation to pollen allergens.
Specific IgE Blood Testing
Useful when skin testing is not suitable or for complex cases.
Treatment for Hay Fever
Medication
Includes antihistamines, steroid nasal sprays and eye drops.
Avoidance Measures
Reducing pollen exposure, keeping windows closed and using air filtration.
Allergy Immunotherapy
SLIT may reduce symptoms long-term and modify disease progression.
Book Hay Fever Allergy Testing
Get specialist diagnosis and personalised treatment for pollen allergy.