Compare Xopenex vs. Singulair

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

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Xopenex (levalbuterol)

Prescription only

Singulair (montelukast)

Prescription only
Makes it easier to breathe if you have asthma, bronchitis, or emphysema.

Xopenex (levalbuterol) inhaler is very effective at relieving acute asthma attakcs in more moderate to severe airway conditions, but is more expensive.

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
  • Xopenex (levalbuterol) works within minutes to help you breathe easier when you have breathing difficulty or an attack, especially in more severe conditions.
  • The inhaler can be used in children as young as 4 years old while the nebulizer solution can be used in children 6 years and older.
  • Xopenex (levalbuterol) may have less side effects such as rapid heartbeat than albuterol.
  • It is available as a generic.
  • The nebulizer solution is a good option for children and adults who have difficulty using a handheld inhaler.
  • 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
  • Xopenex (levalbuterol) is only relieves immediate symptoms and doesn't work to prevent future attacks, unlike maintenance medicines.
  • May not be the best option if you have a history of seizures, heart problems, thyroid problems or diabetes.
  • Xopenex (levalbuterol) is similar to albuterol, but it can be more expensive, especially the nebulizer solution.
  • Children might find the inhaler and nebulizer difficult to use. Parents or adults may need to help children use this medicine.
  • Unlike albuterol, Xopenex (levalbuterol) nebulizer solution cannot be mixed with other nebulized medicines.
  • 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
  • Nebulizer solution
  • Pill
  • Chewable tablet
  • Granule
Price
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Reviews
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557 reviews so far
66%
saidit'sworth it
47%
saiditworked well
14%
saidit'sa big hassle

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Side effects
7possible side effects
  • Vomiting
    11%
  • Asthma symptoms
    9%
  • Accidental injury
    9%
  • Sore throat
    8%
  • Stuffy nose
    7%
  • Dizziness
    3%
  • Bronchitis
    3%
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
  • Sudden lung spasms
    • First use of a new vial
  • Heart problems
    • History of heart problems
    • High blood pressure
  • Increased side effects
  • Worsening of asthma
  • Allergic reactions
  • Low potassium levels
    • Medicines that lower potassium levels
    • Taking certain diuretics
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