• Basic Info
• Top Questions
• Clinical Info
• Interactions

What happens if I miss a dose?

Use the missed dose as soon as you remember. However, if it is almost time for the next regularly scheduled dose, skip the missed dose and use the next one as directed. Do not use a double dose of this medication.

What happens if I overdose?

Seek emergency medical attention.

Symptoms of a levalbuterol overdose include angina or chest pain, irregular heartbeats or a fluttering heart, seizures, tremor, nervousness, weakness, headache, dry mouth, dizziness, sleeplessness, nausea, and vomiting.

What should I avoid while using levalbuterol inhalation?

Avoid situations that may make your condition worse such as exercising in cold, dry air; smoking; breathing in dust; and exposure to allergens such as pet fur.

What are the possible side effects of levalbuterol inhalation?

Stop using levalbuterol inhalation and seek emergency medical attention if you experience any of the following serious side effects:

• an allergic reaction (difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives);

• worsening of respiratory symptoms (shortness of breath, wheezing); or

• chest pain or irregular heartbeats.

Other, less serious side effects may be more likely to occur. Continue to use levalbuterol inhalation and talk to your doctor if you experience

• dizziness;

• tremor or nervousness;

• anxiety;

• headache;

• cough or runny nose;

• upset stomach; or

• leg cramps.

Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.

What other drugs will affect levalbuterol inhalation?

Before using levalbuterol inhalation, tell your doctor if you are taking any of the following medicines:

• a beta-blocker such as atenolol (Tenormin),acebutolol (Sectral), bisoprolol (Zebeta), carteolol (Cartrol), carvedilol (Coreg), labetalol (Normodyne, Trandate), metoprolol (Lopressor, Toprol XL), nadolol (Corgard), propranolol (Inderal), and others;
• a tricyclic antidepressant such as amitriptyline (Elavil), amoxapine (Asendin), doxepin (Sinequan), imipramine (Tofranil), nortriptyline (Pamelor), and others;
• a monoamine oxidase inhibitor (MAOI) such as isocarboxazid (Marplan), phenelzine (Nardil), or tranylcypromine (Parnate);

• a diuretic (water pill) such as hydrochlorothiazide (HCTZ, HydroDiuril, Microzide, others), chlorothiazide (Diuril), chlorthalidone (Hygroton, Thalitone), furosemide (Lasix), bumetanide (Bumex), ethacrynic acid (Edecrin), torsemide (Demadex), and others;

• digoxin (Lanoxin);

• another inhaled bronchodilator; or

• caffeine, diet pills, or decongestants.

You may not be able to use levalbuterol inhalation, or you may require a dosage adjustment or special monitoring during treatment if you are taking any of the medicines listed above.

Drugs other than those listed here may also interact with levalbuterol inhalation or affect your condition. Talk to your doctor and pharmacist before taking any prescription or over-the-counter medicines, including herbal products.

Where can I get more information?

Your pharmacist has additional information about levalbuterol inhalation written for health professionals that you may read.

What does my medication look like?

Levalbuterol inhalation is available with a prescription under the brand name Xopenex. Other brand or generic formulations may also be available. Ask your pharmacist any questions you have about this medication, especially if it is new to you.

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.