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Becodefence Allergy Defence 120 Sprays - 20ml

Becodefence Allergy Defence 120 Sprays - 20ml

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  • ✔️ Forms a drug-free gel barrier to block airborne allergens
  • ✔️ Contains ectoine to help reduce nasal inflammatory responses
  • ✔️ Suitable for adults and children aged 6 and over
  • ✔️ 120 measured sprays provide a full season of allergy protection
  • ✔️ Non-drowsy formula safe to use before driving or working

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Is Becodefence the Right Allergy Defence Nasal Spray for You?

 

Hay fever affects roughly one in five people in the UK, and for many, the sneezing, itching, and congestion can feel relentless from spring right through to early autumn. If you're looking for a drug-free way to reduce your exposure to airborne allergens, the allergy defence nasal spray from Becodefence could be exactly what you need. Available at Cured Pharmacy for just £8.95, this 20ml bottle delivers 120 measured sprays — enough to last a full allergy season for most users. You can browse our wider range of allergy and hay fever treatments if you'd like to compare options before deciding.

Unlike antihistamine tablets or steroid sprays, Becodefence doesn't introduce any active pharmaceutical ingredient into your body. Instead, it works as a physical barrier — a concept that's gaining real traction among people who want to manage their symptoms without medication. It's particularly popular with those who find that conventional treatments cause unwanted side effects, or who simply prefer a more natural approach to allergy management.

 

How Does Becodefence Allergy Defence Nasal Spray Work?

 

The mechanism here is elegantly simple. Becodefence contains two key ingredients — ectoine and cellulose — that work together to create a fine, protective gel layer across the nasal mucosa. When you spray it into each nostril, this gel physically traps allergen particles before they can make contact with the sensitive nasal lining and trigger an immune response.

  • Ectoine is a naturally occurring molecule originally found in microorganisms living in extreme environments. It stabilises cell membranes and has been shown in studies to reduce the inflammatory response associated with allergic rhinitis.
  • Cellulose acts as the structural backbone of the gel, helping it adhere to the nasal lining and maintain the barrier effect for several hours after application.
  • Together, these ingredients form a physical shield that intercepts pollen, dust mite particles, pet dander, and other common airborne allergens.
  • Because no drug is absorbed into the bloodstream, there is no systemic effect — making it suitable for people who need to stay alert throughout the day.

 

Who Should Use Becodefence Allergy Defence Nasal Spray?

 

This product is designed for anyone who experiences symptoms of allergic rhinitis — whether that's seasonal hay fever triggered by grass or tree pollen, or perennial allergies caused by dust mites or animal fur. It's especially worth considering if you've struggled with the drowsiness that some oral antihistamines can cause, or if you're looking for something you can use alongside other treatments.

  • Adults and children aged 6 and over with hay fever or allergic rhinitis
  • People who prefer a non-medicated, drug-free approach to allergy management
  • Those who need to remain alert at work, while driving, or during study
  • Individuals who are pregnant or breastfeeding (always consult your GP or midwife first)

 

How Does Becodefence Compare to Other Nasal Allergy Sprays?

 

Feature Becodefence Allergy Defence Corticosteroid Nasal Spray (e.g. Flixonase)
Active ingredient Ectoine & Cellulose (non-medicated) Fluticasone propionate (steroid)
Mechanism Physical barrier Anti-inflammatory drug action
Causes drowsiness? No No
Suitable in pregnancy? Consult GP first Consult GP first
Prescription required? No — OTC No — OTC (low dose)

 

Is Becodefence Suitable for Long-Term Use and How Should It Be Stored?

 

Becodefence can be used throughout the allergy season without the concerns associated with long-term steroid use. Because it contains no pharmaceutical drug, there is no risk of systemic absorption or hormonal effects. That said, if your symptoms persist beyond 30 days or worsen despite regular use, it's always sensible to speak with your GP or pharmacist. You might also want to explore our ear, nose and throat range for complementary products.

Store Becodefence below 25°C, away from direct sunlight and out of reach of children. Do not freeze the product. Once opened, use within the period indicated on the packaging. The nozzle should be cleaned after each use to maintain hygiene and prevent blockage.

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 Allergy Defence 120 Sprays 20ml specifications
Treatment category Allergic rhinitis / Hay fever
Mechanism of action Physical nasal barrier (non-medicated)
Effective against Pollen, dust mites, pet dander, airborne allergens
Suitable for Adults and children aged 6 and over
Active ingredients Ectoine, Cellulose
Pack size 20ml (120 sprays)
UK classification General Sale (GSL)
Drug class Non-medicated barrier device
Preparation Nasal spray solution
Route of administration Intranasal

Specifications of Becodefence Allergy Defence 120 Sprays 20ml

 

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

 

Becodefence Allergy Defence is a non-medicated nasal barrier spray used to help reduce the symptoms of allergic rhinitis, including hay fever. It is designed to be sprayed into the nostrils before or during exposure to allergens such as grass pollen, tree pollen, dust mites, and pet dander. By forming a protective gel layer inside the nasal passages, it physically prevents allergen particles from reaching the nasal mucosa and triggering an immune response.

Allergic rhinitis is one of the most common conditions in the UK, affecting millions of people every year. Symptoms typically include sneezing, a runny or blocked nose, itchy eyes, and general fatigue. Becodefence offers a drug-free option for those who want to reduce allergen exposure without relying solely on antihistamines or corticosteroid sprays.

 

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

 

Although Becodefence is non-medicated, there are still important things to consider before you start using it. Read the following carefully.

Do not use Becodefence if:

  • You are allergic to any of the ingredients, including ectoine or cellulose
  • Your child is under 6 years of age
  • You have a nasal injury, recent nasal surgery, or a nasal condition that has not been assessed by a doctor

Speak to your GP or pharmacist before use if:

  • You are pregnant or breastfeeding
  • You have chronic sinusitis or nasal polyps
  • Your symptoms have not been previously diagnosed as allergic rhinitis
  • You are already using another nasal spray, including a prescribed corticosteroid spray

Known drug interactions:

  • No clinically significant drug interactions have been identified for Becodefence, as it is not absorbed systemically
  • If you are using a medicated nasal spray alongside Becodefence, apply the medicated spray first and allow a few minutes before using Becodefence

 

How Should You Use Becodefence Allergy Defence?

 

Using Becodefence correctly is key to getting the most from it. Apply it before you go outdoors during high pollen periods, or before entering environments where you know allergens are present. If you're unsure about managing your allergy symptoms more broadly, our allergy and hay fever collection includes a range of complementary options.

  1. Blow your nose gently to clear the nasal passages before application.
  2. Shake the bottle gently before use.
  3. Insert the nozzle into one nostril, angling it slightly away from the nasal septum.
  4. Press the pump once while breathing in gently through your nose.
  5. Repeat in the other nostril.
  6. Avoid blowing your nose for at least 30 minutes after application to allow the barrier to form.
  7. Clean the nozzle after each use and replace the cap.
Age Group Dose per Nostril Frequency
Adults and children aged 12+ 1 spray Up to 3 times daily
Children aged 6–11 1 spray Up to 3 times daily (under adult supervision)
Children under 6 Not recommended

 

What Are the Possible Side Effects of Becodefence Allergy Defence?

 

Because Becodefence is non-medicated, side effects are uncommon. However, as with any product applied to a sensitive mucous membrane, some people may notice mild reactions, particularly when first using the spray.

Common side effects:

  • Mild nasal irritation or a temporary stinging sensation
  • Sneezing immediately after application
  • A slight sensation of nasal fullness

Less common side effects:

  • Temporary increase in nasal discharge
  • Mild headache
  • Dry nasal passages with prolonged use

If you experience a severe allergic reaction — including swelling of the face, lips, or throat, difficulty breathing, or a widespread rash — stop using the product immediately and seek urgent medical attention. This type of reaction is rare but requires prompt assessment.

 

How Should You Store Becodefence Allergy Defence?

 

Proper storage helps maintain the integrity of the gel-forming ingredients and ensures the spray continues to work effectively throughout the allergy season. If you're also managing eye-related allergy symptoms, take a look at our eye care range for suitable antihistamine eye drops.

  • Store below 25°C in a cool, dry place
  • Do not freeze or expose to direct sunlight
  • Keep the cap on when not in use
  • Keep out of reach and sight of children
  • Do not use after the expiry date printed on the packaging
  • Do not share the spray with other people for hygiene reasons
  • Dispose of the product responsibly — check with your local pharmacy for medicine disposal guidance

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 Allergy Defence nasal spray online in the UK?

You can buy Becodefence Allergy Defence 120 Sprays 20ml directly from Cured Pharmacy for just £8.95, with no prescription required. It's available as an over-the-counter product and can be ordered online for convenient home delivery. Browse our full allergy and hay fever range for additional options to manage your symptoms.

How does Becodefence Allergy Defence nasal spray work in the body?

Becodefence works by forming a fine protective gel layer inside the nasal passages using its two key ingredients — ectoine and cellulose. This gel physically traps airborne allergens such as pollen, dust mite particles, and pet dander before they can reach the nasal mucosa and trigger an allergic immune response. Because it acts as a physical barrier rather than a drug, nothing is absorbed into the bloodstream.

How do I use Becodefence Allergy Defence step by step?

Start by blowing your nose gently to clear the passages, then shake the bottle before use. Insert the nozzle into one nostril, press the pump once while breathing in gently, and repeat in the other nostril. Avoid blowing your nose for at least 30 minutes afterwards so the barrier has time to form properly.

How many sprays per day should I use with Becodefence?

The recommended dose is one spray into each nostril, used up to three times daily. It's best applied before exposure to known allergens — for example, before going outdoors during high pollen periods. Always follow the instructions on the product label and do not exceed the stated dose.

What is the best time to use Becodefence Allergy Defence?

The most effective time to use Becodefence is shortly before you expect to encounter allergens — for instance, before heading outside on a high pollen day, or before entering a home with pets. Applying it in the morning as part of your daily routine during allergy season can help maintain consistent protection throughout the day. Reapply as needed, up to three times daily.

Does Becodefence Allergy Defence cause drowsiness?

No — Becodefence is entirely drug-free and does not contain antihistamines, steroids, or any other pharmaceutical ingredient that could cause drowsiness. This makes it a practical choice for people who need to drive, operate machinery, or stay focused at work during allergy season. It can also be used alongside other allergy treatments if needed.

Who is Becodefence Allergy Defence suitable for?

Becodefence is suitable for adults and children aged 6 and over who experience hay fever or allergic rhinitis symptoms. It is also an option for people who are pregnant or breastfeeding, though you should always consult your GP or midwife before using any new product during pregnancy. It is not recommended for children under 6 years of age.

Can I use Becodefence alongside other allergy medicines?

Yes, Becodefence can generally be used alongside other allergy treatments such as antihistamine tablets or corticosteroid nasal sprays, as it is not absorbed into the bloodstream and has no known drug interactions. If you are using a medicated nasal spray at the same time, apply the medicated spray first and wait a few minutes before applying Becodefence. Always check with your pharmacist if you are unsure.

What are the side effects of Becodefence Allergy Defence?

Side effects are uncommon but may include mild nasal irritation, a temporary stinging sensation, or sneezing immediately after application. Less commonly, some people notice a slight increase in nasal discharge or a feeling of nasal fullness. If you experience any severe reaction such as facial swelling or difficulty breathing, stop use immediately and seek medical attention.

How do I manage side effects of Becodefence Allergy Defence?

Most side effects from Becodefence are mild and short-lived — sneezing or mild irritation after application usually settles within a few minutes. If nasal dryness becomes an issue with regular use, a saline nasal rinse used at a different time of day may help. Speak to your pharmacist if any side effect persists or concerns you.

What happens if I miss a dose of Becodefence Allergy Defence?

Because Becodefence is a barrier spray rather than a systemic medicine, missing a dose simply means the protective barrier may not be in place during that period. There is no need to double up — just apply your next dose as normal when you remember or before your next allergen exposure. Consistency is more important than catching up on missed applications.

How long can you use Becodefence Allergy Defence for?

Becodefence can be used throughout the entire allergy season without the concerns associated with long-term steroid use, as it contains no pharmaceutical drug. If your symptoms persist beyond 30 days despite regular use, or if they worsen, it is advisable to speak with your GP or pharmacist. They can assess whether additional or alternative treatments are needed.

What are the alternatives to Becodefence Allergy Defence?

Alternatives include antihistamine nasal sprays such as azelastine, corticosteroid nasal sprays such as fluticasone or beclometasone, and other barrier sprays such as Prevalin. Oral antihistamines like cetirizine or loratadine are also widely used for hay fever. You can explore our ear, nose and throat range for a broader selection of nasal allergy products.

Is Becodefence Allergy Defence safe during pregnancy?

Becodefence is non-medicated and not absorbed systemically, which makes it a consideration for pregnant women who want to avoid pharmaceutical allergy treatments. However, you should always consult your GP or midwife before using any new product during pregnancy, even if it is drug-free. They can advise on the safest approach to managing your allergy symptoms at this time.

What are the latest studies on barrier nasal sprays for hay fever?

Research into ectoine-based nasal sprays has shown promising results for reducing nasal symptoms in allergic rhinitis by stabilising cell membranes and reducing local inflammatory responses. A number of clinical studies have found that barrier sprays can be a useful adjunct to conventional allergy treatments, particularly for people who prefer to minimise their use of pharmaceutical drugs. Speak to your GP if you'd like to discuss the evidence base for your specific allergy profile.

How Should You Use Becodefence Allergy Defence?

Using Becodefence correctly makes a real difference to how well it works. Apply it before you expect to encounter allergens — whether that's heading outside on a high pollen day or entering a space with pets or dust. The technique is straightforward, but a few small details help the barrier form properly.

What Is the Correct Dose of Becodefence Allergy Defence?

The dose is the same for adults and children aged 6 and over — one spray per nostril per application. Do not use more than three times in a single day. Children under 6 should not use this product.

When Is the Best Time to Use Becodefence Allergy Defence?

Timing your application around allergen exposure is the key to getting the most from Becodefence. Apply it in the morning before going outdoors, particularly on days when the pollen count is moderate to high — you can check the daily pollen forecast on the Met Office website. Reapply before any additional outdoor activity or before entering environments where you know allergens are present, such as homes with pets or dusty workplaces.

How Long Can You Use Becodefence Allergy Defence For?

Becodefence can be used continuously throughout the allergy season, which in the UK typically runs from late March through to September depending on which pollens affect you. Because it contains no pharmaceutical drug, there are no concerns about long-term steroid exposure or systemic effects with extended use. However, if your symptoms have not improved after 30 days of regular use, or if they worsen at any point, you should speak to your GP or pharmacist to review your allergy management plan.

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

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

Because Becodefence is a non-medicated barrier spray, side effects are generally mild and infrequent. Most people tolerate it well, even with regular use throughout the allergy season. The most commonly reported reactions are localised to the nose and tend to resolve quickly on their own.

  • Mild nasal irritation or a brief stinging sensation after spraying
  • Sneezing immediately after application
  • A temporary sensation of nasal fullness or pressure

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

A smaller number of users may notice other mild effects, particularly with prolonged daily use. These are not dangerous but are worth being aware of so you can monitor how your body responds.

  • Temporary increase in nasal discharge
  • Mild headache
  • Dryness inside the nasal passages with extended use
  • A slight aftertaste if the spray reaches the back of the throat

What Are the Serious Side Effects of Becodefence Allergy Defence?

Serious reactions to Becodefence are rare, but it is important to know what to look out for. If you experience any of the following after using this product, stop immediately and seek urgent medical attention.

  • Swelling of the face, lips, tongue, or throat
  • Difficulty breathing or swallowing
  • A widespread skin rash or hives
  • Severe dizziness or feeling faint

These symptoms may indicate a rare allergic reaction to one of the ingredients. Do not use the product again until you have spoken to a healthcare professional.

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

For mild side effects such as sneezing or brief nasal irritation, no specific action is usually needed — these typically settle within a few minutes of application. If nasal dryness becomes bothersome, a saline nasal rinse used at a separate time of day may help restore moisture to the nasal lining. Always report any unexpected or persistent side effects to your pharmacist or GP, who can advise on whether to continue or switch to an alternative treatment.

Can Becodefence Allergy Defence Interact With Other Medicines?

No clinically significant drug interactions have been identified for Becodefence. Because it acts as a physical barrier and is not absorbed into the bloodstream, it is unlikely to interfere with other medicines you may be taking. If you are using a medicated nasal spray at the same time — such as a corticosteroid or antihistamine spray — apply the medicated product first and wait a few minutes before using Becodefence. This ensures the medicated spray reaches the nasal mucosa effectively before the barrier is formed. 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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