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Nasonex (Mometasone) Nasal Spray 50mcg (140 Dose)

Nasonex (Mometasone) Nasal Spray 50mcg (140 Dose)

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Buy Nasonex (Mometasone) Nasal Spray 50mcg (140 doses) Online in the UK 


What Is Nasonex Nasal Spray? 


Nasonex (Mometasone Furoate) Nasal Spray is a corticosteroid nasal spray treatment used to treat the symptoms of allergic rhinitis, including sneezing, itching, and a runny nose congestion. It is also frequently prescribed for nasal polyps. Each spray contains 50mcg of mometasone, an effective anti-inflammatory that is used to help treat swelling inside the nose.  


How Does Nasonex Nasal Spray Work? 


The primary action of Nasonex is to reduce inflammation in the nasal passages. The lining of your nose becomes inflamed and irritated when allergens get into your immune system to spring into action. 


This spray decreases the inflammation, helping you breathe easier while reducing discomfort such as sneezing, itchiness, and congestion. 


Who Can Use Nasonex Nasal Spray? 


Nasonex is suitable for adults and children aged 12 and above for allergic rhinitis. For nasal polyps, it is recommended for adults only. People with recent nasal surgery, infections, or untreated nasal wounds should speak to a doctor before use. 

How To Use Nasonex (Mometasone) Nasal Spray 50mcg (140 Dose)

Shake the bottle well before using Nasonex (Mometasone) Nasal Spray 50mcg to mix the medicine properly. If this is your first use of the spray — or if it hasn’t been used for more than a week — you will need to prime the pump by pressing down until a fine mist appears. When you are ready to apply, blow your nose lightly to clear the nasal passages. With your head leaning only slightly forward, put the nozzle in one nostril and close the other with your finger. As you breathe in through your nose, press down firmly to release the spray. Repeat the same steps for the other nostril. 


Use the spray exactly as prescribed, which is usually once daily for allergies and up to twice daily for nasal polyps. Avoid spraying directly onto the wall between your nostrils (the septum), as this can increase irritation. For best results, use the spray consistently each day—relief usually begins within 12–24 hours, but the full effect may take a few days to build. If you miss a dose, take it as soon as you remember, but never double-dose. 

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Side Effects Of Nasonex (Mometasone) Nasal Spray 50mcg (140 Dose)

Common side effects:

  • Mild headache
  • Sneezing immediately after using the spray
  • Nasal irritation or burning
  • Light nosebleeds
  • Sore throat or dryness
  • Cough or mild throat irritation

Less common side effects:

  • Unpleasant smell or taste
  • Dry or irritated nasal passages
  • Sinus discomfort
  • Tiredness or dizziness

Rare but more serious side effects:

  • Frequent nosebleeds or blood-streaked mucus
  • Signs of nasal infection (pain, swelling, pus-like discharge)
  • Vision changes or blurred vision
  • Severe allergy-like reactions such as swelling of the face or difficulty breathing
  • Slow wound healing inside the nose (especially after surgery or injury)

Stop using the spray and speak with a doctor if any serious or persistent symptoms occur.

Frequently Asked Question


Nasonex is used to treat allergic rhinitis (hay fever), non-allergic rhinitis, and nasal polyps. It helps reduce inflammation, congestion, sneezing, and runny nose.


Some people feel relief within 12–24 hours, but full effectiveness may take a few days of consistent use.


Yes. It is designed for daily use as prescribed. Continuous use helps maintain symptom control.


When used at the recommended dose, Nasonex is generally safe long-term. However, regular medical reviews are advised if used for extended periods.

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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What is Nasonex Nasal Spray used for?


Nasonex is used to treat allergic rhinitis (hay fever), non-allergic rhinitis, and nasal polyps. It helps reduce inflammation, congestion, sneezing, and runny nose.

How long does Nasonex take to work?


Some people feel relief within 12–24 hours, but full effectiveness may take a few days of consistent use.

Can I use Nasonex every day?


Yes. It is designed for daily use as prescribed. Continuous use helps maintain symptom control.

Is Nasonex safe for long-term use?


When used at the recommended dose, Nasonex is generally safe long-term. However, regular medical reviews are advised if used for extended periods.

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Active Ingredient Tirzepatide Semaglutide Liraglutide
Mechanism of Action GLP-1 and GIP receptor agonist GLP-1 receptor agonist GLP-1 receptor agonist
Administration Weekly injection Weekly injection Daily injection
Dosage Varies by patient, typically starting low Varies, typically starting at 0.25 mg Varies, starting at 0.6 mg
Effect on Appetite Significantly reduces appetite and cravings Reduces appetite and increases satiety Reduces appetite and increases satiety
Average Weight Loss Up to 20% body weight reduction Up to 15% body weight reduction Significant weight reduction
Side Effects Nausea, vomiting, diarrhoea, constipation Nausea, vomiting, diarrhoea, constipation Nausea, diarrhoea, constipation, hypoglycemia
Approval FDA-approved for weight loss FDA-approved for weight loss FDA-approved for weight loss
Suitable For Adults with BMI ≥30 or ≥27 with comorbidities Adults with BMI ≥30 or ≥27 with comorbidities Adults with BMI ≥30 or ≥27 with comorbidities