Hay fever is so common in the UK that most people self-treat without thinking much about it. That works for mild symptoms — but for moderate or persistent symptoms, the difference between a haphazard approach and a layered one is significant. This article walks through the three treatment layers most UK clinicians use, in what order, and when to step up.
What hay fever is
Hay fever (allergic rhinitis) is an IgE-mediated allergic reaction to airborne pollens. The body releases histamine and other mediators that cause sneezing, congestion, runny nose, itchy eyes, and sometimes wheeze in patients with asthma. UK pollen seasons usually run March (tree pollens), May to July (grass pollens), and late summer (weed pollens) — but timing varies by year and region.
Layer 1: a non-sedating antihistamine
Non-sedating oral antihistamines — cetirizine, loratadine, or fexofenadine — are the standard first step. Taken once daily, they reduce sneezing, runny nose, and itch within hours. Fexofenadine tends to be the least sedating; loratadine is widely tolerated; cetirizine is effective but mildly sedating in a minority of patients.
Older sedating antihistamines like chlorphenamine are still available but generally not recommended as first-line because of drowsiness.
Layer 2: a steroid nasal spray
An intranasal corticosteroid is the single most effective treatment for nasal congestion in hay fever — more effective than oral antihistamines for stuffy nose. UK options include Avamys (fluticasone furoate), Flixonase (fluticasone propionate), and beclometasone-based sprays.
The key thing to understand: nasal sprays work cumulatively. They need to be used daily, ideally starting 2 weeks before your usual trigger season, and full effect takes several days to a week. Using one only when symptoms flare misses most of the benefit.
Layer 3: eye drops for eye symptoms
Itchy, watery, red eyes don't always respond fully to oral antihistamines. Sodium cromoglicate eye drops or topical antihistamine drops (e.g. Optilast) target the eye directly and give faster relief. They are well tolerated and used as needed.
Combination treatments
For moderate-to-severe hay fever, a combined intranasal antihistamine-and-steroid spray (e.g. Dymista, Ryaltris) delivers both classes into the nose at once and tends to be more effective than either component alone. These are prescription-only in the UK.
Lifestyle measures that matter
Practical measures help and add up: a barrier balm (Vaseline-style ointment) around the nostrils to trap pollen, shutting windows when pollen counts are high, showering after coming inside, wearing wraparound sunglasses outdoors, and checking daily pollen forecasts. None of these replace medication, but they reduce trigger exposure.
When to step up
If layered treatment isn't controlling symptoms, your clinician may consider a short course of oral steroids for severe acute flares, or refer for immunotherapy (sublingual tablets or injections that progressively desensitise the immune system over years) for persistent severe disease. Immunotherapy is offered to a small subset of patients with well-defined allergens and isn't a first-line option.
Working with your Farmeci clinician
A consultation typically covers your symptom pattern, which season is worst for you, what you've already tried, and whether a prescription nasal spray or combined formulation would help. Asthma history is asked about because allergic rhinitis can worsen asthma control.