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Description
A long-term treatment for allergies, Nasonex does not provide immediate relief. To be effective, it must be used regularly once a day. It starts working within 2 days after the first dose, but takes 1
to 2 weeks to yield its maximum benefits. If you suffer from hay fever, you should begin taking it 2 to 4 weeks before the start of pollen season.
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Significant Interactions:
Tell your health care professional if you are taking any prescription or nonprescription (over-the-counter [OTC]) medicines, such as:
- Ephedrine or
- Phenobarbital or
- Rifampin (e
.g., Rifadin)¡XEphedrine, phenobarbital, and rifampin may decrease the blood levels of nasal Nasonex, such as dexamethasone, warranting an increase in corticosteroid dose
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How to Use
This medicine usually comes with patient directions. Read them carefully before using the medicine.
Before using this medicine, clear the nasal passages by blowing your nose. Then, with the n
osepiece inserted into the nostril, aim the spray towards the inner corner of the eye.
In order for this medicine to help you, it must be used regularly as ordered by your doctor. This medici
ne usually begins to work in about 2 days, but up to 2 weeks may pass before you feel its full effects.
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Symptoms of overdose
A single overdose of Nasonex is unlikely to cause any harm. However, habitual overuse of the product can cause symptoms of steroid overload, including menstrual irregularities, acne, obesity, and musc
le weakness. Check with your doctor immediately if you develop such symptoms.
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Side Effects of This Medicine
Mometasone nasal inhalation may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:
- headache
- vomiting
- sore throat
- cough
Some side effects can be serious. The following symptoms are uncommon, but if you experience any of them, call your doctor immediately:
- wheezing
- vision changes
- yeast infec
tion of the nose or throat
- Mometasone nasal inhalation may cause children to grow more slowly. Talk to your doctor about the risks of taking this medication.
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What special precautions should I follow?
Breast-feeding¡XUse of dexamethasone is not recommended in nursing mothers, since dexamethasone passes into breast milk and may affect the infant's growth.
It is not known whether beclomethasone, b
desonide, flunisolide, Nasonex or triamcinolone passes into breast milk. Although most medicines pass into breast milk in small amounts, many of them may be used safely while breast-feeding. Levels of
mometasone are not measurable in breast milk, thus exposure is expected to be low. Mothers who are taking these medicines and wish to breast-feed should discuss them with their doctor.
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