mometasone (generic name)

Asmanex (brand name)

It helps decrease inflammation in your lungs
(moe MET a sone)
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What is this medicine?

MOMETASONE (moe MET a sone) is a corticosteroid. It helps decrease inflammation in your lungs. This medicine is used to treat the symptoms of asthma. Never use this medicine for an acute asthma attack.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:
  • infection, like tuberculosis, herpes, or fungal infection
  • osteoporosis
  • taking corticosteroids by mouth
  • an unusual or allergic reaction to mometasone, steroids, other medicines, milk or milk proteins, foods, dyes, or preservatives
  • pregnant or trying to get pregnant
  • breast-feeding

How should I use this medicine?

This medicine is for inhalation through the mouth. Follow the directions on your prescription label. Make sure that you are using your inhaler correctly. Ask you doctor or health care provider if you have any questions. Rinse your mouth after each use. Take your medicine at regular intervals. Do not use it more often than directed. Do not stop taking except on your doctor's advice.

If you are also using a bronchodilator inhaler, like albuterol, use that inhaler first. Wait 5 minutes or more before using this medicine

Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for children as young as 4 years of age for selected conditions, precautions do apply.

What if I miss a dose?

If you miss a dose, use it as soon as you remember. If it is almost time for your next dose, use only that dose and continue with your regular schedule. Do not use double or extra doses.

What may interact with this medicine?

  • ketoconazole

What should I watch for while using this medicine?

Visit your doctor or health care professional for regular checks on your progress. Check with your health care professional if your symptoms do not improve. If your symptoms get worse or if you need your short acting inhalers more often, call your doctor right away.

This medicine may increase your risk of getting an infection. Tell your doctor or health care professional if you are around anyone with measles or chickenpox, or if you develop sores or blisters that do not heal properly.

Using this medicine for a long time may increase your risk of low bone mass. Talk to your doctor about bone health.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:
  • allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
  • breathing problems
  • bone pain
  • changes in vision
  • feeling faint or lightheaded, falls
  • infection
  • nausea, vomiting
  • unusually weak or tired
  • white patches or sores in the mouth or throat

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

  • coughing, hoarseness or throat irritation
  • dry mouth
  • headache
  • loss of taste, or unpleasant taste
  • muscle pain
  • painful menstrual periods
  • stomach upset

Where should I keep my medicine?

Keep out of the reach of children

Store in a dry place at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Protect from light. Once the inhaler is removed from the foil package, it is good for 45 days. Throw away any unused medicine 45 days after opening the foil or after the expiration date, whichever comes first. The inhaler is empty when the dose counter reads 00.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

Last Updated: October 25, 2010
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