Nasonex

DRUG DESCRIPTION

Mometasone furoate monohydrate, the active component of NASONEX (mometasone furoate nasal spray) Nasal Spray, 50 mcg, is an anti-inflammatory corticosteroid having the chemical name, 9,21-Dichloro-11?,17-dihydroxy-16?-methylpregna-1,4-diene-3,20-dione17-(2 furoate) monohydrate, and the following chemical structure:

NASONEX® (mometasone furoate nasal spray) 
  (mometasone furoate) Structural Formula Illustration

Mometasone furoate monohydrate is a white powder, with an empirical formula of C27H30Cl2O6•H2O, and a molecular weight of 539.45. It is practically insoluble in water; slightly soluble in methanol, ethanol, and isopropanol; soluble in acetone and chloroform; and freely soluble in tetrahydrofuran. Its partition coefficient between octanol and water is greater than 5000.

NASONEX (mometasone furoate nasal spray) Nasal Spray 50 mcg is a metered-dose, manual pump spray unit containing an aqueous suspension of mometasone furoate monohydrate equivalent to 0.05% w/w mometasone furoate calculated on the anhydrous basis; in an aqueous medium containing glycerin, microcrystalline cellulose and carboxymethylcellulose sodium, sodium citrate, citric acid, benzalkonium chloride, and polysorbate 80. The pH is between 4.3 and 4.9.

What are the possible side effects of mometasone nasal (Nasonex)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have any of these serious side effects:

  • severe or ongoing nose bleed;
  • sores in the nose that won't heal;
  • wheezing, trouble breathing;
  • vision problems; or
  • fever, chills, body aches, flu symptoms.

Less serious side effects may include:

  • headache;
  • ...

Read All Potential Side Effects and See Pictures of Nasonex »

What are the precautions when taking mometasone furoate (nasal spray) (Nasonex)?

Before using mometasone, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: eye problems (such as glaucoma, cataracts), infections (including tuberculosis, herpes eye infection), recent nose problems (such as injury, ulcers, surgery).

Avoid contact with people who have infections that may spread to others (such as chickenpox, measles, flu). Consult your doctor if you have been exposed to an infection or for more details.

Rarely, using corticosteroid medications for a long time can make...

Read All Potential Precautions of Nasonex »


Nasonex Consumer (continued)

SIDE EFFECTS: See also Precautions.

Nose/throat dryness or irritation, blood-tinged mucus/phlegm, and nosebleeds may occur. If any of these side effects persist or worsen, tell your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor right away if any of these serious side effects occur: pain/sores in your nose, white patches in your nose/mouth, painful swallowing/trouble swallowing.

Rarely, it is possible that corticosteroids given in the nose will be absorbed into the bloodstream. This can lead to side effects of too much corticosteroid. These side effects are more likely in children and people who use this medication for a long time and in high doses. Tell your doctor right away if any of the following side effects occur: unusual/extreme tiredness, weight loss, headache, swelling ankles/feet, increased thirst/urination, vision problems.

A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

PRECAUTIONS: Before using mometasone, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: eye problems (such as glaucoma, cataracts), infections (including tuberculosis, herpes eye infection), recent nose problems (such as injury, ulcers, surgery).

Avoid contact with people who have infections that may spread to others (such as chickenpox, measles, flu). Consult your doctor if you have been exposed to an infection or for more details.

Rarely, using corticosteroid medications for a long time can make it more difficult for your body to respond to physical stress. Therefore, before having surgery or emergency treatment, or if you get a serious illness/injury, tell your doctor or dentist that you are using this medication or have used this medication within the past few months.

Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

Though it is unlikely, this medication may slow down a child's growth if used for a long time. The effect on final adult height is unknown. See the doctor regularly so your child's height can be checked.

During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.

It is unknown if this drug passes into breast milk. Consult your doctor before breast-feeding.


Nasonex Patient Information Including Side Effects

Brand Names: Nasonex

Generic Name: mometasone nasal (Pronunciation: moe MET a sone)

  • What is mometasone nasal (Nasonex)?
  • What are the possible side effects of mometasone nasal (Nasonex)?
  • What is the most important information I should know about mometasone nasal (Nasonex)?
  • What should I discuss with my healthcare provider before using mometasone nasal (Nasonex)?
  • How should I use mometasone nasal (Nasonex)?
  • What happens if I miss a dose (Nasonex)?
  • What happens if I overdose (Nasonex)?
  • What should I avoid while using mometasone nasal (Nasonex)?
  • What other drugs will affect mometasone nasal (Nasonex)?
  • Where can I get more information?

What is mometasone nasal (Nasonex)?

Mometasone is a steroid. It prevents the release of substances in the body that cause inflammation.

Mometasone nasal is used to treat nasal symptoms such as congestion, sneezing, and runny nose caused by seasonal or year-round allergies. Mometasone is also used to treat nasal polyps in adults.

Mometasone may also be used for other purposes not listed in this medication guide.

What are the possible side effects of mometasone nasal (Nasonex)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have any of these serious side effects:

  • severe or ongoing nose bleed;
  • sores in the nose that won't heal;
  • wheezing, trouble breathing;
  • vision problems; or
  • fever, chills, body aches, flu symptoms.

Less serious side effects may include:

  • headache;
  • stuffy nose, sore throat, cough;
  • muscle or joint pain;
  • nausea; or
  • sores or white patches inside or around your nose.

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.

What is the most important information I should know about mometasone nasal (Nasonex)?

Before using mometasone, tell your doctor if you have been sick or had an infection of any kind. Also tell your doctor if you have glaucoma or cataracts, herpes simplex infection of your eyes, tuberculosis, sores or ulcers in your nose, or if you have recently had injury of or surgery on your nose.

It may take up to 2 weeks of using this medicine before your symptoms improve. For best results, keep using the medication as directed. Talk with your doctor if your symptoms do not improve after a week of treatment.

To be sure this medication is not causing harmful effects on your nose or sinuses, your doctor may want to check your progress on a regular basis. Do not miss any scheduled visits to your doctor.

Mometasone nasal can lower the blood cells that help your body fight infections. Avoid being near people who are sick or have infections. Call your doctor for preventive treatment if you are exposed to chicken pox or measles. These conditions can be serious or even fatal in people who are using mometasone nasal.

Avoid getting this medication in your eyes. If this does happen, rinse with water and call your doctor.

Steroid medicines can affect growth in children. Talk with your doctor if you think your child is not growing at a normal rate while using mometasone nasal.

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