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  • Generic Name: (mometasone furoate monohydrate)
    Other Brands: Nasonex
  • Last Revised: 09/2013
    • What is this medication and its most common uses?

      Nasonex is a medicine used to prevent and treat nasal symptoms (including nasal congestion) due to seasonal or year-round allergies. Nasonex is also used to treat nasal polyps. Nasonex is available as a nasal spray.

    • What should I know when beginning and continuing on this medication?

      How does this medication work?

      Nasonex works by reducing inflammation in your nose.

      What are the beneficial effects of this medication and when should I begin to have results?

      What: Nasonex has been shown to reduce nasal symptoms, such as stuffiness, runniness, sneezing, and itching.

      When: Nasonex may begin to work within 1 to 2 days of the first dose, but it may take 1 to 2 weeks to reach its greatest effect.

      How do I know it is working?

      You may feel an improvement in your breathing once you begin using Nasonex. This is a good indicator that your medication is working. Your healthcare provider may ask you questions to assess how well your symptoms are controlled.

    • What are the possible side effects of this medication?

      The following is not a full list of side effects. Side effects cannot be anticipated. If any develop or change in intensity, tell your healthcare provider as soon as possible. Only your healthcare provider can determine if it is safe for you to continue taking this medication.

      More common side effects may include: headache, virus infection, sore throat, nosebleed, cough.

      Less common side effects may include:

      Infections in your nose and throat, formation of a hole in the wall between your nostrils, or impaired wound healing.

      Eye problems, including glaucoma (high pressure in the eye) and cataracts.

      Slowed or delayed growth in children.

      Allergic reactions, with symptoms such as trouble breathing.

      Adrenal insufficiency (a condition in which the adrenal glands do not make enough steroid hormones), with symptoms such as tiredness, weakness, nausea and vomiting, and low blood pressure.

    • Who should not take this medication?

      Do not use Nasonex if you are allergic to it or any of its ingredients.

    • What should I tell my healthcare provider before I take the first dose of this medication?

      Tell your healthcare provider about all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with Nasonex. Also, talk to your healthcare provider about your complete medical history, especially if you recently had a sore in your nose, nasal surgery, or nasal injury; have eye or vision problems; any type of infection (including tuberculosis [a bacterial infection that affects the lungs] or an eye infection); had chickenpox or measles or have recently been near anyone with chickenpox or measles; or if you are pregnant, plan to become pregnant, or are breastfeeding.

    • What is the usual dosage?

      The information below is based on the dosage guidelines your healthcare provider uses. Depending on your condition and medical history, your healthcare provider may prescribe a different regimen. Do not change the dosage or stop taking your medication without your healthcare provider's approval.

      Treatment of Nasal Symptoms and Congestion

      Adults and adolescents ≥12 years: The recommended dose is 2 sprays in each nostril once a day.

      Children 2-11 years: The recommended dose is 1 spray in each nostril once a day.

      Prevention of Nasal Symptoms

      Adults and adolescents ≥12 years: The recommended dose is 2 sprays in each nostril once a day.

      Nasal Polyps

      Adults: The recommended dose is 2 sprays in each nostril twice a day.

    • How should I take this medication?

      Use Nasonex exactly as prescribed by your healthcare provider. Do not use it more often or stop using it without first talking to your healthcare provider.

      Use on a regular basis.

      Shake the bottle gently before each use.

      Please review the instructions that came with your prescription on how to properly use Nasonex.

    • What should I avoid while taking this medication?

      Do not spray Nasonex into your mouth or eyes.

      Do not come in contact with anyone who has chickenpox or measles while you are using Nasonex.

      If you are taking other steroid medicines for allergy, either by mouth or injection, your healthcare provider may advise you to stop taking them once you begin using Nasonex.

    • What are the possible food and drug interactions associated with this medication?

      If Nasonex is used with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to check with your healthcare provider before combining Nasonex with ketoconazole.

    • May I receive this medication if I am pregnant or breastfeeding?

      The effects of Nasonex during pregnancy and breastfeeding are unknown. Tell your healthcare provider immediately if you are pregnant, plan to become pregnant, or are breastfeeding.

    • What should I do if I miss a dose of this medication?

      If you miss a dose of Nasonex, apply it as soon as you remember. Do not apply more than the recommended dose prescribed by your healthcare provider for the day.

    • How should I store this medication?

      Store at room temperature. Protect from light.

    • Who should I contact in case of emergency or overdose?
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      In the event of a medical emergency call your doctor or 9-1-1 immediately. In the event of overdose, call your doctor or poison control for further instructions.
      National Poison Control#: Call 1-800-222-1222

      This PDR+ drug information has been developed by the Physicians’ Desk Reference Network (PDRN), a source of medication information trusted by doctors for over 65 years.

      This monograph summarizes the most important information about your medication and does not cover all the information you may need. If you have any questions or concerns or want to learn more about your medication, ask your healthcare provider; he/she will be able to provide answers to your questions. This medication should only be used by the patient for whom it was prescribed and should not be shared with other people.
    • Additional patient resources.
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