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Last reviewed on RxList: 1/31/2017
Isuprel Side Effects Center

Last reviewed on RxList 11/18/2016

Isuprel (isoproterenol hydrochloride) is a bronchodilator used as an inhaler to treat conditions such as asthma, bronchitis, and emphysema. In rare cases, Isuprel is given as an injection as a treatment for electrical heart block. Isuprel is available in generic form. Common side effects of Isuprel include:

  • tremor,
  • nervousness,
  • shakiness,
  • headache,
  • nausea,
  • vomiting,
  • diarrhea,
  • heartburn,
  • lightheadedness,
  • dizziness,
  • difficulty sleeping (insomnia),
  • unusual taste in mouth,
  • sweating,
  • hoarseness,
  • flushing,
  • shortness of breath,
  • blurred vision, or
  • dry mouth or throat as your body adjusts to the medication.

Use Isuprel inhalation exactly as directed by your doctor. Isuprel injection is only administered by a physician, who will determine the dose required for the patient's needs. Isuprel may interact with beta-blockers, tricyclic antidepressants, monoamine oxidase inhibitors (MAOIs), other inhaled bronchodilators, caffeine, diet pills, or decongestants. Is not known whether it Isuprel be harmful to a fetus. Discuss the risks and benefits with your doctor. It is not known whether this medication passes into breast milk. Consult your doctor before breastfeeding.

Our Isuprel (Isoproterenol Hydrochloride Injection, USP) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Isuprel Consumer Information

If you experience any of the following serious side effects, stop using isoproterenol inhalation and seek emergency medical attention or contact your doctor immediately:

  • an allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, tongue, or face; or hives); or
  • chest pain or an irregular heartbeat.

Other, less serious side effects may be more likely to occur. Continue to use isoproterenol 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. You may report side effects to FDA at 1-800-FDA-1088.

Read the entire detailed patient monograph for Isuprel (Isoproterenol)

Isuprel Professional Information


The following reactions to isoproterenol hydrochloride injection have been reported:

CNS: Nervousness, headache, dizziness, nausea, visual blurring.

Cardiovascular: Tachycardia, palpitations, angina, Adams-Stokes attacks, pulmonary edema, hypertension, hypotension, ventricular arrhythmias, tachyarrhythmias.

In a few patients, presumably with organic disease of the AV node and its branches, isoproterenol hydrochloride injection has been reported to precipitate Adams-Stokes seizures during normal sinus rhythm or transient heart block.

Respiratory: Dyspnea.

Other: Flushing of the skin, sweating, mild tremors, weakness, pallor.

Read the entire FDA prescribing information for Isuprel (Isoproterenol)

Related Resources for Isuprel

© Isuprel Patient Information is supplied by Cerner Multum, Inc. and Isuprel Consumer information is supplied by First Databank, Inc., used under license and subject to their respective copyrights.

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