Medical Inquiry | XOPENEX HFA® (levalbuterol tartrate)

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You may submit a medical inquiry to Sunovion Pharmaceuticals Inc.'s Medical Information Department by completing the form below. You may also visit Sunovion’' dedicated Medical Information website, Also, to speak with a member of Medical Information please call the Medical Information Hotline 1-800-739-0565.

Important Safety Information & Indication

XOPENEX HFA is contraindicated in patients with a history of hypersensitivity to levalbuterol tartrate, racemic albuterol, or any component of the drug product. 

Patients receiving the highest dose of XOPENEX HFA should be monitored closely for adverse effects, and the risk of such effects should be balanced against the potential for improved efficacy.

XOPENEX HFA and other β-agonists can cause paradoxical bronchospasm, which may be life threatening.

XOPENEX HFA like other β-adrenergic agonists, can produce clinically significant cardiovascular effects in some patients as measured by heart rate, blood pressure, and/or symptoms.

Potential drug interactions include: β-blockers, which can block the pulmonary effect of β-agonists and can cause severe bronchospasm in asthmatic patients; diuretics (non-potassium-sparing), whose ECG changes and/or hypokalemia side effects can worsen with administration of β-agonists; digoxin, where serum levels can decrease 16% to 22% with administration of β-agonists; monoamine oxidase inhibitors and tricyclic antidepressants, which can potentiate the action of albuterol on the vascular system. 

If additional adrenergic drugs, including other short-acting sympathomimetic bronchodilators or epinephrine, are to be administered by any route, they should be used with caution to avoid deleterious cardiovascular effects.

Due to the cardiovascular side effects associated with β-agonists, caution is generally recommended for patients with cardiovascular disorders (especially coronary insufficiency, cardiac arrhythmias, and hypertension), diabetes, hyperthyroidism, or convulsive disorders.

In patients aged 4 to 11 years, the most common adverse events (occurring in ≥2% of patients receiving XOPENEX HFA at 90 mcg and more frequently than patients receiving placebo) were vomiting, accidental injury, pharyngitis, and bronchitis.

In patients 12 years and older, the most common adverse events (occurring in ≥2% of patients receiving XOPENEX HFA at 90 mcg and more frequently than patients receiving placebo) were asthma, pharyngitis, rhinitis, pain, and dizziness.

For more information about XOPENEX HFA (levalbuterol tartrate) Inhalation Aerosol, please see the full Prescribing Information including Patient's Instructions for Use or visit

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit, or call 1-800-FDA-1088.

XOPENEX HFA® (levalbuterol tartrate) Inhalation Aerosol is indicated for the treatment or prevention of bronchospasm in adults, adolescents, and children 4 years of age and older with reversible obstructive airway disease.