Precautions and Warnings With Mometasone Inhalers

To ensure a safe treatment process, it is important to be aware of the precautions and warnings with mometasone inhalers. Some of these precautions include possible drug interactions, the safety of using the mometasone inhaler while breastfeeding, and an increased risk of osteoporosis in some people who take this drug. Mometasone inhalers are not suitable for everyone; among the people who should not use the medication are those who are allergic to any of the ingredients used to make it.

The Mometasone Inhaler: What Should I Tell My Healthcare Provider?

You should talk with your healthcare provider prior to taking the mometasone inhaler (Asmanex®) if you have:
Also let your healthcare provider know if you are:
  • Pregnant or thinking of becoming pregnant
  • Breastfeeding.
You should also make sure to tell your healthcare provider about all of the medicines you take, including prescription and non-prescription medicines, vitamins, and herbal supplements.

Some Precautions and Warnings With Mometasone Inhalers

Following are some warnings and precautions to be aware of with mometasone inhalers:
  • If you are switching from an oral steroid to the mometasone inhaler (which is an inhaled steroid), your healthcare provider should decrease your dose of the oral steroid very slowly. Stopping an oral steroid too quickly can be very dangerous.
  • The mometasone inhaler is not a fast-acting asthma medication and cannot replace fast-acting rescue inhalers. Do not use the mometasone inhaler to treat an asthma attack. Everyone taking the mometasone inhaler should also have a rescue asthma medication available at all times. Let your healthcare provider know if you need to use your rescue inhaler more often than usual, as this may be a sign that your asthma is getting worse.
  • The mometasone inhaler can immediately make your asthma symptoms worse. If this happens, use your rescue inhaler (such as albuterol) as needed and contact your healthcare provider for further instruction.
  • The mometasone inhaler is a steroid and may suppress the immune system. Although this is more likely to occur with oral steroids, it is still possible with inhaled steroids (such as mometasone inhalers). This may cause you to be at a higher risk of infections. Certain infections (such as chickenpox or the measles) may be more dangerous if you are taking the mometasone inhaler. During treatment with the mometasone inhaler, let your healthcare provider know right away if you are exposed to chickenpox or the measles (if you have not had these infections and have not been vaccinated against them).
  • Like all steroids, the mometasone inhaler may slow the growth of children and teenagers. Usually, this slowing of growth is small, with children growing about a half a centimeter less per year. Contact your child's healthcare provider if you are concerned about slow growth in your child.
  • Inhaled steroids may increase the risk of osteoporosis. If you already have osteoporosis or are at risk of osteoporosis, your healthcare provider may decide to take steps to protect you from fractures.
  • Inhaled steroids (including mometasone inhalers) can cause glaucoma or cataracts (conditions of the eyes).
  • Before starting the mometasone inhaler, be sure to tell your healthcare provider if you currently have any type of infection. Also let your healthcare provider know if you have ever had tuberculosis or a herpes infection of the eye, as the mometasone inhaler may weaken the immune system, allowing these infections to get worse.
  • The mometasone inhaler can interact with certain other medications (see Drug Interactions With Mometasone Inhalers).
  • The mometasone inhaler is considered a pregnancy Category C medication. This means that mometasone inhalers may not be safe to use during pregnancy. Talk with your healthcare provider about the risks and benefits of using the mometasone inhaler during pregnancy (see Asmanex and Pregnancy for more information).
  • It is not known if mometasone passes through breast milk. Therefore, if you are breastfeeding or plan to start breastfeeding, be sure to talk with your healthcare provider about using the mometasone inhaler (see Asmanex and Breastfeeding for more information).
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Mometasone Inhaler (Asmanex)

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