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Becodefence Adult Allergy Defence – 120 Sprays

Becodefence Adult Allergy Defence – 120 Sprays

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  • ✔️ Drug-free Ectoin barrier blocks pollen and dust allergens
  • ✔️ Non-drowsy formula safe for daytime use
  • ✔️ Each pack provides 120 metered nasal sprays
  • ✔️ Suitable for hay fever and year-round nasal allergies
  • ✔️ Works before allergen exposure to reduce symptom onset

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What Is a Nasal Allergy Defence Spray and How Can It Help You?

 

If you dread the arrival of spring or find yourself sneezing every time you're near a cat, you're far from alone. Hay fever affects around 1 in 5 people in the UK at some point in their lives, according to the NHS. The nasal allergy defence spray format has grown in popularity precisely because it offers a drug-free way to reduce allergen exposure before symptoms even begin. Becodefence Adult Allergy Defence – 120 Sprays is designed to do exactly that — create a physical barrier inside your nasal passages to help keep common airborne allergens at bay. You can explore a wider range of options in our allergy and hay fever collection if you're looking to build a more complete management plan.

This product contains Ectoin, a naturally derived extremolyte molecule. It's not a medicine in the traditional sense — there's no antihistamine, no steroid, and no decongestant. That makes it a genuinely different approach to managing nasal allergy symptoms, particularly for people who want to avoid the side effects sometimes associated with medicated options.

 

How Does Becodefence Adult Allergy Defence Work?

 

The mechanism here is physical rather than pharmacological. When you spray Becodefence into your nostrils, the Ectoin forms what's described as a hydro-shield — a thin, moist protective layer over the nasal mucosa. This layer acts as a barrier that helps trap and neutralise airborne allergens before they can bind to the nasal lining and trigger an immune response.

  • Ectoin is sprayed into the nasal cavity and coats the mucosal surface
  • A hydro-shield forms, stabilising the nasal lining's natural moisture barrier
  • Airborne allergens — including pollen, dust mite particles, and pet dander — are trapped within this layer
  • Allergens are then cleared naturally via the mucociliary system, reducing the chance of an allergic reaction

Because the action is entirely physical, there's no systemic absorption and no interaction with your body's chemistry. That's a meaningful advantage for people who are sensitive to medications or who are already taking other treatments.

 

Who Should Use Becodefence Adult Allergy Defence?

 

This product is intended for adults aged 18 and over who experience nasal allergy symptoms. It's particularly well suited to people who want a non-medicated first line of defence — either on its own or alongside other allergy treatments. It may also appeal to those who have experienced side effects from antihistamines or nasal corticosteroids in the past.

  • Adults with seasonal allergic rhinitis (hay fever) triggered by grass, tree, or weed pollen
  • People with perennial allergic rhinitis caused by dust mites or pet dander
  • Those who prefer drug-free management strategies
  • Individuals who need to remain alert at work or while driving and cannot tolerate drowsiness

 

How Does Becodefence Compare to Other Nasal Allergy Sprays?

 

Feature Becodefence Adult Allergy Defence Antihistamine Nasal Spray (e.g. Azelastine)
Active ingredient Ectoin (naturally derived) Azelastine hydrochloride
Mechanism Physical barrier / hydro-shield Blocks histamine H1 receptors
Drowsiness risk None Possible (mild)
Suitable for long-term use Yes, throughout allergy season Consult pharmacist for extended use

 

Is Becodefence Suitable to Use Alongside Other Medicines?

 

Because Becodefence is drug-free and works purely as a physical barrier, it is generally considered compatible with other allergy treatments. There are no known pharmacological interactions. That said, if you're already using a medicated nasal spray — such as a corticosteroid — it's worth spacing out applications so the barrier doesn't interfere with absorption of the other product. Our ear, nose and throat range includes a variety of nasal care options if you'd like to compare.

This product is a medicine. Speak to your doctor or pharmacist before using if you have an underlying medical condition or are taking other medicines.

Becodefence Adult Allergy Defence – 120 Sprays specifications
Treatment category Nasal allergy / allergic rhinitis
Mechanism of action Physical barrier (hydro-shield) via Ectoin
Effective for Hay fever, dust mite allergy, pet dander allergy
Suitable for Adults aged 18 and over
Active ingredient Ectoin
Pack size 120 sprays
UK classification General Sale / OTC
Drug class Non-medicated nasal barrier spray
Preparation Aqueous nasal spray solution
Route of administration Intranasal

Specifications of Becodefence Adult Allergy Defence – 120 Sprays

 

What Is Becodefence Adult Allergy Defence and What Is It Used For?

 

Becodefence Adult Allergy Defence is a drug-free, non-medicated nasal spray used to help reduce the impact of airborne allergens on the nasal passages. It is indicated for the symptomatic relief of allergic rhinitis — commonly known as hay fever — as well as year-round nasal allergy symptoms caused by triggers such as house dust mites and animal dander. The NHS describes allergic rhinitis as a very common condition affecting the nose, caused by an allergic reaction to airborne substances. Becodefence does not treat the underlying allergy itself; rather, it helps reduce allergen exposure by forming a protective layer inside the nose.

The product contains Ectoin, a naturally occurring extremolyte that stabilises the nasal mucosa's moisture barrier. It is available without a prescription and is classified as a general sale product in the UK. Each pack contains 120 metered sprays, providing a generous supply throughout the allergy season.

 

What Do You Need to Know Before Using Becodefence Adult Allergy Defence?

 

Before using this product, read the following carefully. Although Becodefence is drug-free, there are still important considerations to be aware of.

Do not use Becodefence if:

  • You are under 18 years of age
  • You are allergic to any of the ingredients listed on the packaging
  • You have a nasal injury, recent nasal surgery, or nasal ulceration — consult your GP first

Warnings and precautions:

  • If your symptoms do not improve after 30 days of use, seek medical advice
  • Do not use in children under 18 without medical supervision
  • Pregnancy and breastfeeding: no pharmacological ingredients are present, but consult your GP or midwife before use as a precaution
  • If you experience worsening nasal symptoms, nosebleeds, or severe irritation, discontinue use and speak to a pharmacist

Known drug interactions:

  • No pharmacological interactions are known due to the drug-free nature of the product
  • If using alongside a medicated nasal spray, allow at least 15–30 minutes between applications to avoid potential interference with drug absorption

 

How Should You Use Becodefence Adult Allergy Defence?

 

Using Becodefence correctly is straightforward, but technique does matter. Applying it before you're exposed to allergens — rather than after symptoms have already started — will give you the best chance of it working effectively. If you're heading outdoors during high pollen season, apply it before you leave the house.

  1. Blow your nose gently to clear the nasal passages before application
  2. Shake the bottle gently
  3. Hold the bottle upright and insert the nozzle into one nostril, closing the other with a finger
  4. Press the pump once and breathe in gently through the nose at the same time
  5. Repeat in the other nostril
  6. Avoid blowing your nose immediately after application
Indication Age Group Dose Frequency
Seasonal allergic rhinitis (hay fever) Adults 18+ 1–2 sprays per nostril Up to 3 times daily
Perennial allergic rhinitis Adults 18+ 1–2 sprays per nostril Up to 3 times daily
Children under 18 Under 18 Not recommended

 

What Are the Possible Side Effects of Becodefence Adult Allergy Defence?

 

Because Becodefence is drug-free, the risk of side effects is low. However, as with any nasal spray, some people may experience mild local reactions, particularly when first using the product. The NHS notes that nasal sprays can occasionally cause irritation in the nasal passages, especially in people with sensitive mucous membranes.

Common side effects:

  • Mild nasal irritation or tingling after application
  • Temporary sneezing immediately after use
  • Slight watering of the eyes

Less common side effects:

  • Mild nosebleed (epistaxis) — particularly if the nasal lining is already dry or irritated
  • Temporary altered sense of smell
  • Mild headache

If you experience any severe or persistent side effects, stop using the product and consult your pharmacist or GP. Serious allergic reactions to Ectoin are not documented in the published literature, but if you notice swelling of the face, lips, or throat, seek urgent medical attention.

 

How Should You Store Becodefence Adult Allergy Defence?

 

Correct storage helps maintain the integrity of the spray and ensures each dose is delivered effectively. If you're managing multiple allergy products, our allergy and hay fever range includes further guidance on managing your symptoms throughout the season.

  • Store below 25°C in a cool, dry place
  • Do not freeze
  • Keep the cap on when not in use to prevent contamination
  • Keep out of reach and sight of children
  • Do not use after the expiry date printed on the packaging
  • Do not share the spray nozzle with other people for hygiene reasons

Written and reviewed by our qualified team

Your safety and success are our highest priorities. Our medical team rigorously evaluates every product and piece of advice we provide, ensuring you receive only the most effective, science-backed solutions available.

Frequently Asked Questions

Where can I buy Becodefence Adult Allergy Defence online in the UK?

You can buy Becodefence Adult Allergy Defence 120 Sprays directly from Cured Pharmacy online without a prescription. It is an over-the-counter product available for delivery across the UK. Browse our full allergy and hay fever collection for related products too.

How does Becodefence nasal spray work in the body?

Becodefence works by forming a physical hydro-shield inside the nasal passages using its active ingredient, Ectoin. This barrier traps airborne allergens such as pollen and dust mite particles before they can bind to the nasal lining and trigger an immune response. Because it works physically rather than chemically, there is no systemic absorption and no effect on the rest of the body.

How do I use Becodefence step by step?

Start by blowing your nose gently to clear the passages, then shake the bottle. Insert the nozzle into one nostril while closing the other, press the pump once, and breathe in gently through the nose. Repeat in the other nostril, and avoid blowing your nose immediately afterwards to allow the barrier to form properly.

What is the correct dose of Becodefence for adults?

The recommended dose for adults aged 18 and over is 1–2 sprays per nostril, used up to three times daily. It is best applied before exposure to known allergens — for example, before going outdoors during high pollen periods. Do not exceed the recommended dose without speaking to a pharmacist first.

When is the best time to use Becodefence nasal spray?

The most effective time to use Becodefence is before you are exposed to allergens, rather than after symptoms have already started. If you have hay fever, apply it before going outside, particularly on high pollen count days. For dust mite or pet allergies, use it before entering environments where those triggers are present.

Does Becodefence cause drowsiness or affect driving?

No — Becodefence is entirely drug-free and does not contain antihistamines, steroids, or decongestants, so it will not cause drowsiness or impair your ability to drive. This makes it a practical option for people who need to stay alert throughout the day. It is one of the key advantages of a barrier-based nasal allergy defence spray over some medicated alternatives.

Who is Becodefence Adult Allergy Defence suitable for?

Becodefence is suitable for adults aged 18 and over who experience nasal allergy symptoms from pollen, dust mites, or pet dander. It is particularly useful for those who prefer a non-medicated approach or who cannot tolerate the side effects of antihistamines or corticosteroid sprays. It is not recommended for children under 18 without medical supervision.

Can I use Becodefence alongside other allergy medicines?

Yes, in most cases Becodefence can be used alongside other allergy treatments because it has no known pharmacological interactions. However, if you are using a medicated nasal spray such as a corticosteroid, it is advisable to leave at least 15–30 minutes between applications. Always speak to your pharmacist if you are unsure about combining products — you can also explore our ear, nose and throat range for complementary options.

What are the side effects of Becodefence nasal spray?

Side effects are uncommon given the drug-free formulation, but some people may experience mild nasal irritation, temporary sneezing, or slight watering of the eyes after application. Less commonly, mild nosebleeds or a temporary altered sense of smell may occur. If you experience any persistent or severe reactions, stop using the product and consult your pharmacist or GP.

How do I manage side effects of Becodefence?

Most side effects are mild and resolve on their own without any treatment. If you experience nasal irritation, try reducing to one spray per nostril and see if that helps. For mild nosebleeds, ensure you are not inserting the nozzle too deeply and that you are not blowing your nose too forcefully before or after use. If side effects persist, speak to your pharmacist.

What happens if I miss a dose of Becodefence?

Because Becodefence is a barrier spray rather than a systemic medicine, missing a dose simply means the protective layer in your nasal passages may not be maintained during that period. There is no need to double up on the next application — just resume your normal routine at the next scheduled time. Consistency is key to getting the most benefit, especially during peak allergen seasons.

Is Becodefence safe to use during pregnancy?

Becodefence does not contain any pharmacological active ingredients, which means systemic absorption is not expected. However, as a precaution, pregnant or breastfeeding women should consult their GP or midwife before using any nasal spray, including drug-free products. Your healthcare provider can help you weigh up the benefits and any potential concerns specific to your situation.

What are the alternatives to Becodefence nasal spray?

Alternatives include antihistamine nasal sprays (such as azelastine), corticosteroid nasal sprays (such as fluticasone or beclometasone), and sodium cromoglicate sprays. Oral antihistamines are another option for broader symptom relief. The right choice depends on the severity of your symptoms and any other medicines you are taking — your pharmacist can advise you on the most suitable approach.

How long can you use Becodefence for?

Becodefence can be used throughout the allergy season, which for hay fever sufferers in the UK typically runs from late March through to September. For perennial allergies such as dust mite sensitivity, it can be used year-round. If your symptoms have not improved after 30 days of consistent use, it is worth speaking to your GP to explore additional or alternative treatments.

What does the latest research say about Ectoin nasal sprays?

Published clinical studies have investigated Ectoin-based nasal sprays as a non-pharmacological approach to allergic rhinitis, with findings suggesting they can help reduce nasal symptom scores when used consistently before allergen exposure. The mechanism — physical barrier formation rather than immune modulation — is well established in the literature. As always, individual responses vary, and Becodefence works best as part of a broader allergen avoidance strategy.

How Should You Use Becodefence Adult Allergy Defence?

Using Becodefence correctly makes a real difference to how well it works. The key is to apply it before you encounter allergens, not after your nose has already started running. Think of it as putting up a barrier before the allergens arrive, rather than trying to clear them out once they're already causing trouble.

What Is the Correct Dose of Becodefence Adult Allergy Defence?

The dose is straightforward and consistent across the main indications. Always follow the instructions on the packaging, and do not exceed the recommended number of sprays per day without first speaking to a pharmacist.

When Is the Best Time to Use Becodefence Adult Allergy Defence?

Timing really does matter with a barrier spray. Apply Becodefence before you head outdoors on high pollen count days — the Met Office publishes daily pollen forecasts which can help you plan. For indoor allergens like dust mites or pet dander, apply before entering rooms where those triggers are concentrated, such as bedrooms or homes with pets.

If you are using Becodefence three times a day, a practical routine might be: once in the morning before leaving the house, once at lunchtime if you've been outdoors, and once in the evening before bed. Consistency throughout the allergy season tends to give the best results.

How Long Can You Use Becodefence Adult Allergy Defence For?

Becodefence can be used throughout the entire allergy season, which in the UK typically runs from late March to September for hay fever sufferers. For perennial allergies caused by dust mites or pet dander, it can be used year-round without the concerns associated with long-term steroid use. If your symptoms have not improved after 30 days of consistent use, or if they worsen at any point, consult your GP or pharmacist for a review of your allergy management plan.

Do not exceed the recommended dose. If in doubt, speak to your pharmacist.

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What Are the Most Common Side Effects of Becodefence Adult Allergy Defence?

Because Becodefence is drug-free and works as a physical barrier rather than a pharmacological agent, the risk of side effects is considerably lower than with medicated nasal sprays. That said, any product applied inside the nose can occasionally cause mild local reactions, particularly when you first start using it.

  • Mild nasal irritation or tingling sensation after application
  • Temporary sneezing immediately after spraying
  • Slight watering of the eyes
  • Mild runny nose shortly after use

These reactions are generally short-lived and tend to settle within a few minutes. They do not usually require you to stop using the product.

What Are the Less Common Side Effects of Becodefence Adult Allergy Defence?

A smaller number of people may experience slightly more noticeable reactions, particularly if the nasal lining is already dry or irritated from existing allergy symptoms.

  • Mild nosebleed (epistaxis) — more likely if the nasal mucosa is already fragile
  • Temporary altered or reduced sense of smell
  • Mild headache
  • Dryness or crusting inside the nose

If you notice nosebleeds occurring regularly, check that you are not inserting the nozzle too deeply and that you are not blowing your nose too forcefully before or after application.

What Are the Serious Side Effects of Becodefence Adult Allergy Defence?

Serious side effects are not expected with a drug-free barrier spray, and no serious adverse events have been documented in the published literature for Ectoin-based nasal sprays. However, as with any product applied to a mucous membrane, a small number of individuals may have a sensitivity to one of the excipient ingredients. If you experience any of the following, stop using the product immediately and seek urgent medical attention:

  • Swelling of the face, lips, tongue, or throat
  • Difficulty breathing or swallowing
  • Severe skin rash or hives
  • Sudden worsening of nasal symptoms after application

What Should You Do If You Experience Side Effects of Becodefence?

For mild side effects such as sneezing or nasal irritation, no specific action is needed — simply wait a few minutes and the sensation should pass. If irritation is persistent, try reducing to one spray per nostril and see whether that resolves the issue. For any side effect that concerns you, or that does not resolve within a few days, contact your pharmacist or GP for advice. You can also report suspected side effects to the MHRA via the Yellow Card scheme at yellowcard.mhra.gov.uk.

Can Becodefence Adult Allergy Defence Interact With Other Medicines?

No pharmacological drug interactions are known for Becodefence, given that it contains no active medicinal ingredients. It is generally safe to use alongside oral antihistamines, corticosteroid nasal sprays, and eye drops for allergy. If you are using another nasal spray at the same time, it is sensible to leave a gap of at least 15–30 minutes between applications to ensure neither product interferes with the other's effectiveness. Always inform your pharmacist of all products you are using, including over-the-counter items.

If you are concerned about any side effects, contact your pharmacist or GP immediately.

Patient Information Leaflet

Important - Before taking any medication, it is always important to read the Patient Information Leaflet (PIL)

Written and reviewed by our qualified team

GPhC Number: 2233073
Tarun Kumar

Reviewed by:

Tarun Kumar

Superintendent/ Clinical Lead

📖 Find out more about our team of medical content authors and how we ensure the accuracy of our content with our content guidelines.

Content last updated: 31 Mar 2025

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