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Clarinaze Allergy Control Nasal Spray 0.05% - 140 Sprays

Clarinaze Allergy Control Nasal Spray 0.05% - 140 Sprays

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  • ✔️ Relieves nasal congestion, sneezing, and runny nose caused by allergies
  • ✔️ Contains mometasone furoate 50 mcg — a clinically proven intranasal corticosteroid
  • ✔️ Once-daily dosing for convenient, consistent allergy symptom control
  • ✔️ 140 sprays per pack — enough for a full hay fever season
  • ✔️ Suitable for seasonal and perennial allergic rhinitis in adults aged 18+

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What Is Clarinaze Nasal Spray and How Does It Help Allergies?

 

If hay fever or year-round nasal allergies are making your life miserable, you are not alone. Allergic rhinitis affects around one in five people in the UK, causing sneezing, a blocked or runny nose, and that relentless itchy feeling that just will not quit. Clarinaze nasal spray is an over-the-counter intranasal corticosteroid spray containing mometasone furoate 50 micrograms per actuation, designed to relieve and prevent these symptoms in adults aged 18 and over. Each pack contains 140 metered sprays — enough for a full course of seasonal treatment. You can browse our full range of allergy and hay fever treatments if you want to compare options before deciding.

Mometasone furoate is a well-established corticosteroid that has been used in nasal sprays for many years. It works locally in the nasal lining, which means very little of the active ingredient is absorbed into the bloodstream — making it a well-tolerated choice for most adults. The NHS recognises intranasal corticosteroids as a first-line treatment for allergic rhinitis, particularly when symptoms are moderate to severe or when antihistamines alone are not providing enough relief.

 

How Does Clarinaze Allergy Control Nasal Spray Work?

 

Allergic rhinitis happens when your immune system overreacts to harmless substances like pollen, dust mites, or pet dander. This triggers a cascade of inflammation in the nasal passages — swelling, mucus production, and irritation. Mometasone furoate works by binding to glucocorticoid receptors inside nasal cells, reducing the release of inflammatory chemicals such as histamine, prostaglandins, and cytokines.

  • Reduces nasal mucosal inflammation caused by allergen exposure
  • Decreases mucus secretion, relieving congestion and runny nose
  • Suppresses the late-phase allergic response, providing longer-lasting relief
  • Works best when used regularly — full effect may take a few days to build up

Unlike oral antihistamines, which target histamine after it has already been released, mometasone furoate acts earlier in the inflammatory process. This makes it particularly useful for people whose symptoms include significant nasal blockage, which antihistamines often do not address as effectively.

 

Who Should Use Clarinaze Allergy Control Nasal Spray?

 

This spray is suitable for adults aged 18 and over who experience nasal allergy symptoms. It can be used for seasonal allergic rhinitis (such as hay fever triggered by grass or tree pollen) or perennial allergic rhinitis (year-round symptoms caused by dust mites, mould, or pet allergens). It is particularly helpful if you find that antihistamine tablets alone are not controlling your nasal symptoms adequately.

  • Adults aged 18 and over with seasonal hay fever symptoms
  • Adults with perennial (year-round) allergic rhinitis
  • People whose nasal congestion is not relieved by antihistamines alone
  • Those looking for a once-daily, non-drowsy nasal treatment option

 

How Does Clarinaze Compare to Other Allergy Nasal Sprays?

 

Feature Clarinaze 0.05% Nasal Spray Beconase Nasal Spray (Beclometasone)
Active ingredient Mometasone furoate 50 mcg/spray Beclometasone dipropionate 50 mcg/spray
Dosing frequency Once daily Twice daily
Number of sprays per pack 140 sprays 200 sprays
Systemic bioavailability Less than 0.1% Approximately 44%
Suitable for OTC use (adults) Yes Yes

 

Is Clarinaze Nasal Spray Suitable for Long-Term Use?

 

For seasonal allergic rhinitis, clarinaze nasal spray can be used for up to three months without medical supervision. If your symptoms persist beyond this, or if you have perennial allergic rhinitis requiring longer-term treatment, it is important to speak to your GP or pharmacist. They can assess whether continued use is appropriate and rule out other causes of nasal symptoms. If you also experience itchy or watery eyes alongside nasal symptoms, you might find our eye care range helpful as a complementary option.

Store the spray below 25°C, keep it upright, and do not freeze it. Check the expiry date before use and discard any remaining product after the recommended treatment period.

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.

Clarinaze Allergy Control Nasal Spray 0.05% - 140 Sprays specifications
Treatment category Allergic rhinitis / Hay fever
Active ingredient Mometasone furoate 50 micrograms per actuation
Mechanism of action Intranasal corticosteroid — reduces nasal mucosal inflammation
Strengths 0.05% (50 micrograms per spray)
Pack sizes 140 metered sprays
Route of administration Intranasal
Preparation Aqueous nasal suspension
UK classification Pharmacy (P) medicine
Drug class Corticosteroid (topical/intranasal)
Suitable for Adults aged 18 and over
Effective for Seasonal and perennial allergic rhinitis

Specifications of Clarinaze Allergy Control Nasal Spray 0.05% - 140 Sprays

 

What Is Clarinaze Allergy Control Nasal Spray and What Is It Used For?

 

Clarinaze Allergy Control Nasal Spray 0.05% contains mometasone furoate, an intranasal corticosteroid used to treat the symptoms of allergic rhinitis. It is indicated for adults aged 18 and over who experience nasal symptoms caused by seasonal allergens (such as grass or tree pollen) or perennial allergens (such as house dust mites or pet dander). Symptoms it helps to relieve include nasal congestion, sneezing, a runny nose, and nasal itching. It is classified as a Pharmacy (P) medicine in the UK, meaning it is available without a prescription but should be purchased from a registered pharmacy.

 

What Do You Need to Know Before Using Clarinaze Nasal Spray?

 

Before using this spray, read the following carefully. There are certain situations where this medicine may not be suitable for you.

Do not use Clarinaze if you:

  • Are allergic to mometasone furoate or any other ingredient in the spray
  • Have had recent nasal surgery or a nasal injury that has not yet healed
  • Are under 18 years of age (not licensed for OTC use in children)
  • Have an untreated nasal or sinus infection

Speak to your doctor or pharmacist before use if you:

  • Are pregnant or breastfeeding
  • Have tuberculosis (TB) or any other respiratory infection
  • Are already using other corticosteroid medicines (inhaled, oral, or topical)
  • Have glaucoma or cataracts, as prolonged corticosteroid use may affect eye pressure

Known drug interactions:

  • Ketoconazole (an antifungal medicine) may increase the level of mometasone in your blood — use with caution
  • Other corticosteroids used at the same time may increase the risk of systemic side effects
  • Ritonavir and other strong CYP3A4 inhibitors may also increase mometasone exposure

 

How Should You Use Clarinaze Allergy Control Nasal Spray?

 

Always use this spray exactly as directed on the label or as advised by your pharmacist. Using it correctly makes a real difference to how well it works. If you are also managing symptoms like nasal congestion alongside other conditions, our ear, nose and throat range has additional products that may help.

  1. Shake the bottle gently before each use
  2. Blow your nose gently to clear the nasal passages
  3. Remove the protective cap from the nozzle
  4. Tilt your head slightly forward — do not tilt it back
  5. Insert the nozzle carefully into one nostril, pointing it slightly away from the nasal septum
  6. Press the pump once while breathing in gently through your nose
  7. Breathe out through your mouth
  8. Repeat for the other nostril
  9. Wipe the nozzle clean and replace the cap after use
Indication Age Group Dose Frequency
Seasonal allergic rhinitis Adults 18+ 2 sprays per nostril (200 mcg total) Once daily
Maintenance (once controlled) Adults 18+ 1 spray per nostril (100 mcg total) Once daily
Perennial allergic rhinitis Adults 18+ (under medical guidance) 2 sprays per nostril (200 mcg total) Once daily

 

What Are the Possible Side Effects of Clarinaze Nasal Spray?

 

Like all medicines, Clarinaze can cause side effects, although not everyone experiences them. Most side effects are mild and affect the nose or throat locally.

Common side effects (may affect up to 1 in 10 people):

  • Nasal irritation or stinging after application
  • Nosebleeds (epistaxis)
  • Headache
  • Nasal dryness or crusting

Less common side effects (may affect up to 1 in 100 people):

  • Unpleasant taste or smell
  • Nasal ulceration (with prolonged use)
  • Throat irritation
  • Perforation of the nasal septum (rare, with long-term use)

Serious systemic side effects are uncommon given the very low bioavailability of mometasone furoate when used intranasally. However, if you notice any changes in your vision, signs of adrenal suppression (such as unusual tiredness or weight loss), or any allergic reaction (rash, swelling, difficulty breathing), stop using the spray and seek medical advice immediately.

 

How Should You Store Clarinaze Allergy Control Nasal Spray?

 

  • Store below 25°C
  • Do not freeze the spray
  • Keep the bottle upright at all times
  • Keep out of the sight and reach of children
  • Do not use after the expiry date printed on the label
  • Do not dispose of medicines via wastewater or household waste — return unused medicine to your pharmacy

If you are managing multiple allergy symptoms and want to explore further options, our allergy and hay fever collection includes a range of antihistamines, eye drops, and other nasal sprays to help you find the right combination for your needs.

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 Clarinaze nasal spray online in the UK?

You can buy Clarinaze Allergy Control Nasal Spray 0.05% directly from Cured Pharmacy, a GPhC-registered UK online pharmacy. It is available over the counter for adults aged 18 and over without a prescription. Simply add it to your basket and it will be dispatched promptly to your door.

How does Clarinaze nasal spray work in the body?

Clarinaze contains mometasone furoate, an intranasal corticosteroid that acts locally on the nasal lining to reduce inflammation caused by allergens. It suppresses the release of inflammatory chemicals such as histamine and prostaglandins, which are responsible for sneezing, congestion, and a runny nose. Because it works locally with very low systemic absorption, it is considered a well-tolerated option for most adults.

How do I use Clarinaze nasal spray step by step?

Shake the bottle gently, blow your nose, then tilt your head slightly forward. Insert the nozzle into one nostril, press the pump once while breathing in gently through your nose, then repeat for the other nostril. Wipe the nozzle clean and replace the cap after each use to keep it hygienic.

What is the correct dose of Clarinaze nasal spray for adults?

The standard starting dose for adults aged 18 and over is two sprays into each nostril once daily, giving a total daily dose of 200 micrograms of mometasone furoate. Once your symptoms are well controlled, your pharmacist may advise reducing to one spray per nostril once daily as a maintenance dose. Never exceed two sprays per nostril per day.

When is the best time to use Clarinaze nasal spray?

Clarinaze works best when used at the same time each day, as consistent use helps maintain a steady anti-inflammatory effect in the nasal passages. Many people find it convenient to use it in the morning as part of their daily routine. If you are using it for hay fever, starting treatment a few days before your expected pollen exposure can help prevent symptoms from developing.

How long does Clarinaze nasal spray take to work?

Unlike antihistamines, which can work within an hour, intranasal corticosteroids like Clarinaze typically take a few days of regular use before you notice the full benefit. Some people begin to feel improvement within 12 hours, but the maximum effect usually builds over several days of consistent daily use. This is why it is important not to stop using it just because you do not feel immediate relief.

What are the side effects of Clarinaze nasal spray?

The most common side effects include nasal irritation, stinging, dryness, and occasional nosebleeds. Headache is also reported by some users. Serious side effects are rare due to the very low amount of mometasone absorbed into the bloodstream, but you should contact your GP if you notice any vision changes or signs of an allergic reaction.

Who is eligible to use Clarinaze nasal spray?

Clarinaze is suitable for adults aged 18 and over who have been diagnosed with or who recognise symptoms of seasonal or perennial allergic rhinitis. It is not recommended for children under 18 without medical supervision, or for people with recent nasal surgery, untreated nasal infections, or known allergy to mometasone furoate. If you are pregnant or breastfeeding, speak to your GP before use.

What happens if I miss a dose of Clarinaze nasal spray?

If you forget to use your spray, apply it as soon as you remember on the same day. If it is almost time for your next scheduled dose, simply skip the missed one and carry on as normal. Do not use a double dose to compensate — this will not improve your symptoms faster and may increase the risk of side effects.

Can I use Clarinaze nasal spray with antihistamines?

Yes, in many cases Clarinaze can be used alongside oral antihistamines for more complete allergy symptom control, particularly if you have both nasal and non-nasal symptoms such as itchy eyes or skin reactions. However, always check with your pharmacist before combining medicines to ensure there are no interactions with anything else you are taking. You can explore our full allergy and hay fever range for complementary options.

How long can you use Clarinaze nasal spray for?

For seasonal allergic rhinitis, Clarinaze can be used for up to three months without needing to see a doctor. If your symptoms persist beyond this period, or if you require treatment for perennial (year-round) allergic rhinitis, you should consult your GP for further assessment. Long-term use without medical review is not recommended.

Is Clarinaze nasal spray safe during pregnancy?

The safety of mometasone furoate during pregnancy has not been fully established, and it is therefore not recommended for use during pregnancy without medical advice. If you are pregnant or planning to become pregnant and are suffering from allergic rhinitis, speak to your GP or midwife who can advise on the safest treatment options for you and your baby.

What are the alternatives to Clarinaze nasal spray?

Other intranasal corticosteroid sprays available OTC in the UK include Beconase (beclometasone) and Pirinase (fluticasone propionate). Oral antihistamines such as cetirizine or loratadine are also commonly used for hay fever. If nasal symptoms are your main concern, intranasal corticosteroids are generally considered more effective than antihistamines for congestion, as noted by the NHS. You can also explore our ear, nose and throat collection for further options.

Can Clarinaze nasal spray cause nosebleeds?

Nosebleeds (epistaxis) are a recognised side effect of intranasal corticosteroid sprays including Clarinaze, and they are listed as a common side effect in the product information. They are usually mild and can often be minimised by directing the nozzle slightly away from the nasal septum when spraying. If nosebleeds are frequent or severe, stop using the spray and speak to your pharmacist or GP.

What are the latest findings on mometasone nasal sprays for allergic rhinitis?

Mometasone furoate nasal spray remains one of the most widely studied and recommended intranasal corticosteroids for allergic rhinitis. Clinical evidence consistently supports its efficacy in reducing nasal congestion, sneezing, and rhinorrhoea, with a favourable safety profile due to its very low systemic bioavailability of less than 0.1%. The NHS and NICE both recognise intranasal corticosteroids as first-line treatment for moderate to severe allergic rhinitis symptoms.

How Should You Use Clarinaze Allergy Control Nasal Spray?

Using Clarinaze correctly is important to get the most from your treatment and to avoid irritating the nasal lining. Always shake the bottle gently before each use, and prime the pump if you are using it for the first time or after a long break by pressing it several times until a fine mist appears.

Follow these steps each time you use the spray:

Avoid blowing your nose immediately after using the spray, as this can reduce how much medicine is absorbed by the nasal lining.

What Is the Correct Dose of Clarinaze Allergy Control Nasal Spray?

The dose depends on whether you are starting treatment or maintaining control of your symptoms. Always follow the dosage instructions on the label or as directed by your pharmacist. Do not exceed the maximum recommended dose.

When Is the Best Time to Use Clarinaze Allergy Control Nasal Spray?

Clarinaze works best when used at the same time every day, as this helps maintain a consistent anti-inflammatory effect in the nasal passages. Most people find it easiest to use it in the morning as part of their daily routine. If you are using it for hay fever, starting treatment two to three days before your expected pollen exposure — rather than waiting for symptoms to appear — can help prevent them from developing in the first place.

Consistency is key. Missing doses or using the spray irregularly will reduce its effectiveness, as intranasal corticosteroids need to build up their effect over several days of regular use.

How Long Can You Use Clarinaze Allergy Control Nasal Spray For?

For seasonal allergic rhinitis, Clarinaze can be used for up to three months without medical supervision. This is typically sufficient to cover a full hay fever season. If your symptoms persist beyond three months, or if you are using the spray for perennial (year-round) allergic rhinitis, you should speak to your GP or pharmacist before continuing. They can assess whether ongoing treatment is appropriate and check for any signs of nasal mucosal changes with prolonged use.

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 Clarinaze Nasal Spray?

Most people who use Clarinaze Allergy Control Nasal Spray tolerate it well, but like all medicines, it can cause side effects in some people. The most common ones affect the nose and throat locally, and they are usually mild and temporary.

  • Nasal irritation or stinging after application
  • Nosebleeds (epistaxis) — usually light and brief
  • Nasal dryness or crusting inside the nose
  • Headache
  • Unpleasant taste or smell

Nosebleeds are one of the more frequently reported side effects. You can reduce the risk by directing the nozzle slightly away from the nasal septum when spraying, rather than pointing it straight up the nostril.

What Are the Less Common Side Effects of Clarinaze Nasal Spray?

Less common side effects occur in fewer than 1 in 100 users. These are still worth being aware of, particularly if you are using the spray over a longer period.

  • Throat irritation or soreness
  • Nasal ulceration — small sores inside the nasal passages
  • Nasal septal perforation (a hole in the nasal septum) — rare, associated with prolonged use
  • Sneezing immediately after application
  • Watery eyes

These effects are more likely with long-term use or if the spray is used incorrectly. Always follow the application technique described in the directions for use.

What Are the Serious Side Effects of Clarinaze Nasal Spray?

Serious side effects from Clarinaze are uncommon. Because mometasone furoate has a systemic bioavailability of less than 0.1% when used intranasally, the risk of whole-body (systemic) corticosteroid effects is very low at recommended doses. However, if you are also using other corticosteroid medicines — such as inhaled steroids for asthma or topical steroids for skin conditions — the combined effect may increase the risk of systemic side effects.

Seek immediate medical attention if you experience any of the following:

  • Blurred vision or other changes in eyesight — this may indicate raised intraocular pressure
  • Signs of an allergic reaction: rash, swelling of the face or throat, difficulty breathing
  • Unusual tiredness, unexplained weight loss, or dizziness — possible signs of adrenal suppression with prolonged high-dose use

What Should You Do If You Experience Side Effects of Clarinaze Nasal Spray?

If you experience mild side effects such as nasal irritation or occasional nosebleeds, these often settle with continued use and correct application technique. Make sure you are not pointing the nozzle directly at the nasal septum, and avoid blowing your nose immediately after use.

If side effects are persistent, worsening, or causing you concern, stop using the spray and speak to your pharmacist or GP. You can also report suspected side effects directly to the MHRA via the Yellow Card scheme at yellowcard.mhra.gov.uk.

Can Clarinaze Nasal Spray Interact With Other Medicines?

Clarinaze has a small number of known drug interactions. The most clinically significant is with ketoconazole, an antifungal medicine, which can inhibit the enzyme responsible for breaking down mometasone furoate and may increase its plasma concentration. Other strong CYP3A4 inhibitors — including ritonavir (used in HIV treatment) — may have a similar effect.

Using Clarinaze alongside other corticosteroid medicines (inhaled, oral, or topical) may increase the overall corticosteroid load on your body. Always tell your pharmacist about all medicines you are currently taking, including over-the-counter products and supplements, before starting Clarinaze.

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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