• Basic Info
• Top Questions
• Interactions

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

• a beta-blocker such as atenolol (Tenormin), metoprolol (Lopressor, Toprol XL), propranolol (Inderal), and others;

• a tricyclic antidepressant such as amitriptyline (Elavil), doxepin (Sinequan), imipramine (Tofranil), nortriptyline (Pamelor), and others;

• a monoamine oxidase inhibitor (MAOI) such as isocarboxazid (Marplan), phenelzine (Nardil), or tranylcypromine (Parnate);

• another inhaled bronchodilator; or

• caffeine, diet pills, or decongestants.

You may not be able to use isoetharine inhalation, or you may require a dosage adjustment or special monitoring during treatment.

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

If you experience any of the following serious side effects, stop using isoetharine inhalation and seek emergency medical attention:

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

• chest pains or an irregular heart beat.

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

• headache, dizziness, lightheadedness, or insomnia;

• tremor or nervousness;

• sweating;

• nausea, vomiting, or diarrhea; or

• dry mouth.

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.