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Sterimar Stop & Protect Allergy Response 120 Sprays - 20ml

Sterimar Stop & Protect Allergy Response 120 Sprays - 20ml

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  • ✔️ Relieves hay fever and allergic rhinitis nasal symptoms effectively
  • ✔️ Drug-free isotonic formula — no steroids or antihistamines
  • ✔️ Copper ions help inactivate allergens directly in the nasal passages
  • ✔️ Hyaluronic acid supports and protects the nasal mucosal lining
  • ✔️ 120 measured sprays per bottle for long-lasting allergy season use

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Is Sterimar Stop & Protect the Right Nasal Spray for Allergies?

 

If your nose runs, blocks, or itches every time pollen season arrives, you are far from alone. Allergic rhinitis — commonly known as hay fever — affects around one in five people in the UK, according to the NHS. Finding something that actually helps without causing drowsiness or rebound congestion can feel like a challenge. Sterimar Stop & Protect Allergy Response is a drug-free, isotonic sea water nasal spray enriched with copper and hyaluronic acid, designed to relieve nasal allergy symptoms and help protect the nasal lining from allergens. Each 20ml bottle delivers 120 measured sprays, making it a practical, long-lasting option for daily use during allergy season. If you are managing multiple allergy symptoms, you might also find it helpful to browse our allergy and hay fever range for complementary products.

This product is classified as a medical device rather than a medicine, which means it works physically rather than pharmacologically. It does not contain steroids, antihistamines, or decongestants. That makes it a suitable first-line option for people who prefer to avoid medication, or who want to use it alongside other treatments. It is available over the counter without a prescription.

 

How Does Sterimar Stop & Protect Allergy Response Work?

 

The spray works through a combination of physical and biological mechanisms to reduce allergen load in the nasal passages and support the mucosa's natural defences. Here is how it acts step by step:

  • Rinsing action: The isotonic saline solution gently flushes allergens — such as pollen, dust mite particles, and pet dander — from the nasal lining, reducing the trigger load on the immune system.
  • Copper enrichment: Copper ions have been shown in laboratory studies to help inactivate allergens and reduce their ability to trigger an immune response in the nasal mucosa.
  • Hyaluronic acid: This naturally occurring molecule helps maintain moisture in the nasal lining, supporting the integrity of the mucosal barrier and reducing dryness that can worsen irritation.
  • Isotonic formulation: Matching the natural salt concentration of body fluids means the spray does not cause stinging or disrupt the delicate nasal epithelium.

Together, these actions help reduce the frequency and severity of sneezing, itching, and nasal congestion associated with allergic rhinitis.

 

Who Should Use Sterimar Stop & Protect Allergy Response?

 

This spray is designed for anyone who experiences nasal symptoms triggered by allergens. It is particularly well suited to people who want a drug-free option or who need something safe to use alongside prescription treatments. It is suitable for:

  • Adults and children aged 3 years and over with seasonal allergic rhinitis (hay fever)
  • People with perennial allergic rhinitis triggered by dust mites, pet dander, or mould
  • Those who prefer to avoid steroid or antihistamine nasal sprays
  • Individuals using it as an adjunct to other allergy medications

It is not recommended for children under 3 years of age. If you are pregnant or breastfeeding, this product is generally considered safe due to its drug-free formulation, but it is always sensible to check with your pharmacist or midwife first.

 

How Does Sterimar Stop & Protect Compare to a Standard Saline Spray?

 

Feature Sterimar Stop & Protect Allergy Response Standard Saline Nasal Spray
Active enrichment Copper + hyaluronic acid Saline only
Allergen inactivation Yes (copper ions) No
Mucosal protection Yes (hyaluronic acid) Limited
Drug-free Yes Yes
Suitable from age 3 years+ Varies by product

 

Is Sterimar Stop & Protect Safe to Use Every Day?

 

Yes — because it is drug-free and isotonic, this nasal spray for allergies can be used daily throughout the allergy season without the risk of rebound congestion that can occur with decongestant sprays. The NHS advises that saline nasal irrigation is a safe and well-tolerated approach to managing nasal symptoms. Store the bottle below 25°C, away from direct sunlight, and keep it out of reach of children. Do not freeze. Once opened, use within 6 months. For those also dealing with eye symptoms during allergy season, our eye care range includes products that may help with itchy, watery eyes.

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.

Sterimar Stop & Protect Allergy Response 120 Sprays - 20ml specifications
Treatment category Nasal allergy relief / Allergic rhinitis
Mechanism of action Physical allergen removal; copper-mediated allergen inactivation; hyaluronic acid mucosal support
Effective for Hay fever, allergic rhinitis, nasal congestion due to allergens
Suitable for Adults and children aged 3 years and over
Active ingredient Isotonic sea water solution with copper and hyaluronic acid
Pack size 20ml / 120 sprays
UK classification Medical device (CE marked)
Preparation Nasal spray solution
Route of administration Intranasal

Specifications of Sterimar Stop & Protect Allergy Response 120 Sprays - 20ml

 

What Is Sterimar Stop & Protect Allergy Response and What Is It Used For?

 

Sterimar Stop & Protect Allergy Response is a drug-free isotonic nasal spray formulated with sea water, copper, and hyaluronic acid. It is used to relieve the nasal symptoms of allergic rhinitis, including sneezing, nasal itching, runny nose, and nasal congestion triggered by allergens such as pollen, dust mites, and pet dander. The NHS recognises nasal irrigation with saline as a helpful supportive measure for managing hay fever and allergic rhinitis symptoms. This product is classified as a medical device rather than a licensed medicine, meaning it works through physical and biological mechanisms rather than pharmacological ones. It is available over the counter for adults and children aged 3 years and over.

 

What Do You Need to Know Before Using Sterimar Stop & Protect Allergy Response?

 

Before using this spray, check the following contraindications and warnings:

  • Do not use if you are hypersensitive (allergic) to any of the ingredients listed on the packaging
  • Do not use in children under 3 years of age
  • Do not insert the nozzle deeply into the nostril — use gently at the nostril opening
  • If you have had recent nasal surgery, consult your doctor before use
  • If symptoms persist for more than 7 days without improvement, seek medical advice
  • Keep out of reach and sight of children

Regarding drug interactions, no clinically significant interactions have been identified for this product, as it is a drug-free medical device. However:

  • If you are using a prescription nasal spray (e.g. a corticosteroid or antihistamine nasal spray), use Sterimar first to clear the nasal passages, then wait a few minutes before applying the other spray
  • Always inform your pharmacist of all products you are using, including over-the-counter items

 

How Should You Use Sterimar Stop & Protect Allergy Response?

 

Using this spray correctly ensures you get the most benefit from each dose. Follow these steps:

  1. Blow your nose gently to clear the nasal passages before use
  2. Hold the bottle upright with your thumb at the base and two fingers on the nozzle
  3. Tilt your head slightly forward
  4. Insert the nozzle gently into one nostril without pressing it deeply
  5. Press the pump once firmly and breathe in gently through your nose
  6. Breathe out through your mouth
  7. Repeat for the other nostril
  8. Wipe the nozzle clean after each use and replace the cap
Indication Age Group Dose Frequency
Allergic rhinitis / hay fever Adults & children 3 years+ 1–2 sprays per nostril 2–6 times daily
Nasal congestion due to allergens Adults & children 3 years+ 1–2 sprays per nostril As needed, up to 6 times daily
Preventive use before allergen exposure Adults & children 3 years+ 1–2 sprays per nostril Before going outdoors during high pollen periods

If you are also managing symptoms such as sneezing or itchy eyes alongside nasal congestion, our ear, nose and throat range includes further products that may support your overall symptom management.

 

What Are the Possible Side Effects of Sterimar Stop & Protect Allergy Response?

 

Because this is a drug-free, isotonic formulation, side effects are uncommon. Most people tolerate it very well. However, as with any nasal product, some individuals may notice mild reactions.

Common side effects (may affect a small number of users):

  • Mild nasal irritation immediately after spraying
  • Temporary stinging or tingling sensation in the nostril
  • Slight increase in nasal discharge shortly after use (this is normal as the spray loosens mucus)

Less common side effects (rare):

  • Sneezing immediately after application
  • Mild discomfort if the nozzle is inserted too deeply
  • Skin irritation around the nostrils with very frequent use

If you experience any unexpected or persistent reaction, stop using the product and speak to your pharmacist or GP. Serious allergic reactions to this product are extremely rare but seek immediate medical attention if you develop swelling of the face, lips, or throat, or have difficulty breathing.

 

How Should You Store Sterimar Stop & Protect Allergy Response?

 

  • Store below 25°C in a cool, dry place
  • Do not freeze the product
  • Keep away from direct sunlight and heat sources
  • Keep out of reach and sight of children
  • Once opened, use within 6 months
  • Do not use after the expiry date printed on the packaging
  • Do not share the spray nozzle with other people to avoid cross-contamination

Proper storage helps maintain the integrity of the copper and hyaluronic acid enrichment. If you notice any change in the appearance or smell of the solution, do not use it and contact your pharmacist. For those managing a range of seasonal health concerns, our cold and flu range also offers products to support nasal and respiratory comfort during winter months.

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 Sterimar Stop & Protect Allergy Response online in the UK?

You can buy Sterimar Stop & Protect Allergy Response 120 Sprays directly from Cured Pharmacy, a GPhC-registered UK online pharmacy. It is available without a prescription as an over-the-counter product. Simply add it to your basket and choose your preferred delivery option at checkout.

How does Sterimar Stop & Protect Allergy Response work in the nose?

The spray uses an isotonic sea water solution enriched with copper ions and hyaluronic acid. The copper helps inactivate allergens such as pollen and dust mite particles in the nasal passages, while hyaluronic acid supports the nasal mucosa's natural protective barrier. Together, these actions reduce the allergen load that triggers sneezing, itching, and congestion.

How do I use Sterimar Stop & Protect Allergy Response step by step?

Blow your nose gently before use to clear the passages. Hold the bottle upright, insert the nozzle gently into one nostril, and press the pump once while breathing in softly through your nose. Repeat for the other nostril, then wipe the nozzle clean and replace the cap after each use.

What is the correct dose of Sterimar Stop & Protect Allergy Response?

Adults and children aged 3 years and over can use 1 to 2 sprays per nostril, up to 6 times daily. You can use it as needed throughout the day, particularly before going outdoors during high pollen periods. Always follow the instructions in the product leaflet and do not exceed the recommended frequency.

When is the best time to use Sterimar Stop & Protect Allergy Response?

Using it before going outdoors during high pollen periods can help reduce allergen exposure from the outset. It is also helpful first thing in the morning when nasal congestion tends to be at its worst, and after returning indoors to rinse away any pollen or allergens that have accumulated. If you use a prescription nasal spray, apply Sterimar first to clear the passages, then wait a few minutes before using the other spray.

What are the side effects of Sterimar Stop & Protect Allergy Response?

Side effects are uncommon because the product is drug-free and isotonic. Some people may experience mild nasal irritation, a temporary stinging sensation, or sneezing immediately after application. If you notice persistent discomfort or any unexpected reaction, stop use and speak to your pharmacist or GP.

Who is Sterimar Stop & Protect Allergy Response suitable for?

It is suitable for adults and children aged 3 years and over who experience nasal symptoms caused by allergens such as pollen, dust mites, or pet dander. It is a good option for those who prefer a drug-free approach or who want to use it alongside other allergy treatments. It is not recommended for children under 3 years of age.

Can I use Sterimar Stop & Protect Allergy Response if I am pregnant or breastfeeding?

Because this product is drug-free and contains only sea water, copper, and hyaluronic acid, it is generally considered safe during pregnancy and breastfeeding. However, it is always advisable to check with your midwife, GP, or pharmacist before starting any new product during pregnancy. Our allergy and hay fever range includes further options your pharmacist can help you assess.

How long can I use Sterimar Stop & Protect Allergy Response for?

You can use it throughout the allergy season as needed, as there is no risk of rebound congestion associated with drug-free saline sprays. If your symptoms persist for more than 7 days without any improvement, it is worth speaking to your GP or pharmacist to rule out other causes. Long-term daily use during allergy season is generally well tolerated.

Can I use Sterimar Stop & Protect alongside other nasal sprays?

Yes — in fact, using Sterimar first to clear and prepare the nasal passages can improve the effectiveness of other nasal sprays, such as corticosteroid or antihistamine sprays. Apply Sterimar, wait a few minutes, then use your prescribed or other OTC nasal spray. Always let your pharmacist know about all the products you are using.

What happens if I miss a dose of Sterimar Stop & Protect Allergy Response?

Because this is a drug-free nasal spray rather than a medicine with a fixed dosing schedule, missing a single application is not a concern in the same way as missing a prescribed medication dose. Simply use it when you remember and continue with your usual routine. There is no need to double up on sprays.

Is Sterimar Stop & Protect Allergy Response the same as a standard saline spray?

No — while both are drug-free and isotonic, Sterimar Stop & Protect Allergy Response is specifically enriched with copper ions and hyaluronic acid. The copper helps inactivate allergens in the nasal passages, which a plain saline spray does not do. The hyaluronic acid also provides additional mucosal support that standard saline sprays lack.

What are alternatives to Sterimar Stop & Protect Allergy Response for hay fever?

Alternatives include plain saline nasal sprays, antihistamine nasal sprays (such as azelastine), and corticosteroid nasal sprays (such as fluticasone or beclometasone). Oral antihistamines such as loratadine or cetirizine can also help with broader hay fever symptoms. Browse our allergy and hay fever collection for a full range of options, or speak to your pharmacist for personalised advice.

How should I store Sterimar Stop & Protect Allergy Response?

Store the bottle below 25°C in a cool, dry place away from direct sunlight and heat sources. Do not freeze it. Once opened, use within 6 months and do not use after the expiry date printed on the packaging. Keep it out of reach of children and do not share the nozzle with others.

What is the latest research on saline nasal sprays for allergies?

Research consistently supports nasal saline irrigation as a safe and effective adjunct in managing allergic rhinitis, helping to reduce allergen and inflammatory mediator load in the nasal passages. NICE guidelines on allergic rhinitis acknowledge nasal irrigation as a useful supportive measure. The addition of copper to saline formulations is an area of growing interest, with early evidence suggesting it may help reduce allergen activity at the nasal mucosa.

How Should You Use Sterimar Stop & Protect Allergy Response?

Using this spray correctly makes a real difference to how well it works. Always blow your nose gently before application to clear the nasal passages, and make sure the nozzle is clean before and after each use. Follow these steps for correct application:

What Is the Correct Dose of Sterimar Stop & Protect Allergy Response?

The dose varies slightly depending on the severity of your symptoms and how frequently you are exposed to allergens. The table below summarises the recommended dosing by indication and age group. Do not exceed 6 applications per nostril per day unless advised by a healthcare professional.

When Is the Best Time to Use Sterimar Stop & Protect Allergy Response?

Timing your use strategically can help you get the most from each application. Using the spray before going outdoors during high pollen periods helps reduce the amount of allergen that settles on the nasal lining in the first place. It is also particularly useful first thing in the morning, when nasal congestion tends to peak, and after returning indoors to rinse away any accumulated pollen or dust particles.

If you are using a prescription nasal spray alongside this product, always apply Sterimar first to clear and prepare the nasal passages, then wait two to three minutes before applying the other spray. This approach can improve the absorption and effectiveness of your prescribed treatment.

How Long Can You Use Sterimar Stop & Protect Allergy Response For?

Because this is a drug-free, isotonic formulation, it does not carry the risk of rebound congestion that can occur with decongestant nasal sprays. You can use it safely throughout the entire allergy season — whether that is a few weeks during peak pollen season or several months for perennial allergic rhinitis. There is no dependency risk associated with regular use.

That said, if your symptoms have not improved after 7 days of consistent use, it is worth speaking to your GP or pharmacist. They can assess whether you need additional treatment, such as a corticosteroid nasal spray or an oral antihistamine, to bring your symptoms under better control.

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 Sterimar Stop & Protect Allergy Response?

Because this product is drug-free and uses an isotonic formulation that matches the natural salt concentration of your body fluids, side effects are uncommon. Most people use it without any problems at all. However, as with any nasal product, a small number of users may notice mild reactions, particularly when first starting to use it.

  • Mild nasal irritation immediately after spraying
  • Temporary stinging or tingling sensation inside the nostril
  • Slight increase in nasal discharge shortly after use — this is normal as the spray loosens mucus
  • Sneezing immediately after application

What Are the Less Common Side Effects of Sterimar Stop & Protect Allergy Response?

Less common reactions are rare but can occur, particularly with very frequent use or if the nozzle is inserted too deeply into the nostril. These effects are generally mild and resolve quickly once you adjust your technique or reduce the frequency of use.

  • Mild discomfort or pressure sensation if the nozzle is inserted too far
  • Skin irritation or dryness around the nostrils with very frequent daily use
  • Temporary altered sense of smell immediately after application

What Are the Serious Side Effects of Sterimar Stop & Protect Allergy Response?

Serious side effects are extremely rare with this product. However, you should be aware of the signs of a hypersensitivity reaction, even though these are very uncommon with a drug-free medical device. Stop using the product immediately and seek urgent medical attention if you experience any of the following:

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

These symptoms may indicate a rare allergic reaction to one of the ingredients. Call 999 or go to your nearest A&E department if you experience these symptoms.

What Should You Do If You Experience Side Effects of Sterimar Stop & Protect Allergy Response?

For mild side effects such as temporary stinging or sneezing, no specific action is usually needed — these typically resolve within a few minutes of application. If you find the sensation uncomfortable, try reducing the number of sprays per application or using it less frequently. Ensuring the nozzle is positioned correctly at the nostril opening rather than inserted deeply can also help reduce irritation.

If side effects persist or worsen, stop using the product and speak to your pharmacist or GP. You can also report suspected side effects or adverse reactions to a medical device via the MHRA Yellow Card scheme at yellowcard.mhra.gov.uk.

Can Sterimar Stop & Protect Allergy Response Interact With Other Medicines?

No clinically significant drug interactions have been identified for this product, as it is a drug-free medical device rather than a licensed medicine. It does not contain any pharmacologically active ingredients that would interact with other medications. However, if you are using a prescription nasal spray — such as a corticosteroid or antihistamine nasal spray — it is good practice to apply Sterimar first to clear the nasal passages, wait two to three minutes, and then apply your prescribed spray. This can actually improve the effectiveness of your other treatment rather than interfere with it. Always inform your pharmacist of all products you are currently using.

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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