Nasonex Nasal Spray (Mometasone Furoate)

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Nasonex Nasal Spray Brand
Dosage Quantity & Price
Mometasone Furoate (Generic alternate to Nasonex Nasal Spray) Generic
Dosage Quantity & Price
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Table of contents:

Nasonex nasal spray is a prescription medication used to treat the symptoms of seasonal and year-round allergies in adults and children aged 2 years and older. These symptoms can include a stuffy or runny nose, sneezing, and itching. Nasonex is a nasal spray medication that contains mometasone, which is a type of corticosteroid drug. Corticosteroids work by reducing inflammation in the nasal passages that is caused by allergic reactions.

Specifically, Nasonex works by binding glucocorticosteroid receptors in the body. This binding causes a decrease in the production of certain chemicals that are responsible for the inflammatory response. As a result, Nasonex reduces the inflammation in the nasal passages, which can help to relieve symptoms such as nasal congestion, runny nose, sneezing, and itching.

Uses and Dosage

Mometasone nasal spray is prescribed for use once or twice daily, with the dosage depending on your medical condition and response to therapy. It may take 1 to 2 weeks before you feel the full benefit of mometasone. It works best when used regularly on a scheduled basis as directed by your doctor.

Nasonex nasal spray (mometasone furoate) may take time for the nasal spray to take effect, so keep using it until your doctor advises you to stop. Abruptly discontinuing use can worsen your symptoms, so do not stop using it without consulting your doctor. To avoid missing doses, make a dosing schedule.

To use Nasonex nasal spray (mometasone furoate), follow these steps:

  1. Blow your nose gently to clear your nostrils.
  2. Shake the nasal spray bottle gently.
  3. Remove the dust cover from the applicator tip.
  4. Hold the nasal spray bottle upright, with your thumb beneath the bottle and your fingers on either side of the nozzle.
  5. Tilt your head forward slightly.
  6. Insert the applicator tip into your nostril and aim the spray away from the center of your nose.
  7. While breathing in gently through your nose, press down firmly on the applicator to release the spray.
  8. Breathe out through your mouth.
  9. Repeat these steps for the other nostril.

Side Effects

Common Side Effects of Nasonex Nasal Spray (Mometasone Furoate):

  • Nausea
  • Headache
  • Irritation or dryness of the throat and nose
  • Blood-tinged phlegm or mucus
  • Nosebleed

Serious Side Effects of Nasonex Nasal Spray (Mometasone Furoate):

  • Extreme fatigue
  • Increased thirst and urination
  • Nasal pain or sores
  • Painful swallowing
  • Swelling of the feet area
  • Vision changes
  • Weight loss
  • White patches in the mouth or nose

Form and Strength

Nasonex Nasal Spray (Mometasone Furoate) is available in the following forms and strength:

Nasonex Nasal Spray: Nasal Spray

  • 50 mcg

Mometasone Furoate: Nasal Spray

  • 50 mcg


  • Talk to your doctor before using Nasonex if you have tuberculosis or any other ongoing infection, as this may increase your risk of experiencing side effects.
  • Nasonex may cause nasal bleeding or irritation, so use it as directed by your doctor.
  • Inform your doctor if you are pregnant or breastfeeding before using Nasonex.
  • Nasonex may interact with certain medications, so inform your doctor of any other medications you are taking before beginning treatment with Nasonex.
  • Use caution when using Nasonex if you have certain eye conditions such as cataracts or glaucoma, as this medication may increase eye pressure.
  • The safety and effectiveness of Nasonex in children under 2 years of age has not been established.
  • Nasonex may suppress the immune system, which can make you more susceptible to infections.
  • If you experience symptoms of an allergic reaction after using Nasonex, such as difficulty breathing or swelling of the face, lips, tongue, or throat, seek medical attention immediately. Use caution when using Nasonex spray if you have any known allergies to mometasone furoate or any of the other ingredients in the medication.
  • Be cautious when using Nasonex if you have a history of liver disease or if you are taking medications that may affect liver function, as this may increase your risk of side effects.
  • Nasonex may increase your risk of osteoporosis or fractures, especially with long-term use or high doses.

Frequently Asked Questions (FAQ)

How long can I use mometasone nasal spray?

Some people only need mometasone nasal spray for a few weeks if they have seasonal allergies. Other people with long-term problems like nasal polyps might need it longer. Check with your provider or pharmacist about how long you should use mometasone nasal spray.

Is Nasonex nasal spray safe to use during pregnancy?

Nasonex nasal spray should only be used during pregnancy if the benefits outweigh the risks. It is important to talk to your doctor before using this medication if you are pregnant or planning to become pregnant.

Can I purchase Nasonex Nasal Spray over the counter?

You need to have a prescription from a physician to buy this nasal spray.


It's important to purchase Nasonex Nasal Spray from verified Canadian pharmacy.

Additional information

Generic name:

Mometasone Furoate


Nasal Spray, Nasal spray



Quantities Available:

140doses, 280doses, 420doses