Compare Asmanex vs. Singulair

Head-to-head comparisons of medication uses, side effects, ratings, and more.

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Asmanex (mometasone)

Prescription only

Singulair (montelukast)

Prescription only
Controls asthma symptoms over time.

Asmanex (mometasone) is good for controlling and preventing asthma symptoms, but you have to take it daily for effective treatment.

3.4/ 5 average rating with 69 reviewsforAsmanex
Makes it easier to breathe.

Singulair (montelukast) has fewer side effects but doesn't work as well as some inhaled medications for asthma and allergies.

3.7/ 5 average rating with 557 reviewsforSingulair
Upsides
  • Can use Asmanex (mometasone) in children age 4 or older.
  • Has very few interactions with other medications.
  • Helps fight inflammation of the lungs and keep asthma symptoms under control.
  • Asmanex (mometasone) is an inhaler so it allows for more direct delivery of medicine to the lungs compared to a pill.
  • Most people are prescribed to use Asmanex (mometasone) only once a day.
  • Although not a first-line treatment, Singulair (montelukast) can effectively help children and adults with their asthma and allergies.
  • You only need to take it once a day.
  • Available as chewable tablets or granules that you can mix with food.
  • Singulair (montelukast) has fewer side effects than inhaled medications.
Downsides
  • Not available in generic form and can be expensive.
  • Maximum effects of Asmanex (mometasone) can take 1 to 2 weeks or longer to reach.
  • Might not be a good option for those with a severe milk protein allergy.
  • Asmanex (mometasone) can cause fungal infections of the mouth and throat, especially if you don't rinse your mouth after using it.
  • Not recommended for people who have a weakened immune system or an untreated, active infection.
  • Even as a generic, Singulair (montelukast) is still expensive.
  • May not be a good choice if you have a history of mental conditions.
  • Singulair (montelukast) can't be used as a rescue inhaler if you get an asthma attack.
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Used for
Dosage forms
  • Inhaler
  • Pill
  • Chewable tablet
  • Granule
Price
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Reviews
69 reviews so far
54%
saidit'sworth it
41%
saiditworked well
19%
saidit'sa big hassle

Have you used Asmanex (mometasone)?

Leave a review
557 reviews so far
66%
saidit'sworth it
47%
saiditworked well
14%
saidit'sa big hassle

Have you used Singulair (montelukast)?

Leave a review
Side effects
6possible side effects
  • Fever
    7%
  • Stomach pain
    6%
  • Seasonal allergies
    4%
  • Vomiting
    3%
  • Urinary tract infection
    2%
  • Bruising
    2%
See more detailed side effects
13possible side effects
  • Headache
    18%
  • Flu
    4%
  • Stomach pain
    3%
  • Cough
    3%
  • Lack of energy
    2%
  • Fever
    2%
  • Upset stomach
    2%
  • Dental pain
    2%
  • Stomach infection
    2%
  • Dizziness
    2%
  • Stuffy nose
    2%
  • Rash
    2%
  • Abnormal liver function tests
    2%
See more detailed side effects
Risks and risk factors
  • Adrenal gland problems
    • Switching from steroid pills to steroid inhalers
    • Long-term use of steroids
    • Stopping steroids too quickly
  • Serious allergic reaction
    • Milk protein allergy
  • Increased risk for infections
    • Current infection without treatment
    • Not current with vaccinations
    • Taking other corticosteroids with Asmanex (mometasone)
  • Sudden breathing problems
  • Delayed growth children
    • Children
    • Higher doses of Asmanex (mometasone)
    • Long-term use
  • Fungal infection of the mouth and throat
    • Not rinsing mouth after use
    • Using higher dose of Asmanex (mometasone)
See more detailed risks and warnings
  • Asthma attacks
    • Exercise-induced asthma
    • Other environmental triggers
  • Aggression and agitation
  • Blood disorder
    • Recent treatment with corticosteroid medicine
    • Lowering dose of corticosteroid medicine
  • Phenylketonuria
    • Phenylketonuria (PKU)
See more detailed risks and warnings