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Medihaler-Iso Side Effects

Generic name: isoproterenol

Medically reviewed by Last updated on Feb 21, 2024.

Note: This document contains side effect information about isoproterenol. Some dosage forms listed on this page may not apply to the brand name Medihaler-Iso.

Applies to isoproterenol: parenteral injection.


A standardized concentration for this drug has been established through Standardize 4 Safety (S4S), a national patient safety initiative to reduce medication errors, especially during transitions of care. The drug is included in a standard concentration list which may apply to an IV or oral compounded liquid formulation. For additional information, see the ASHP website [Web].

Side effects include:

Nervousness, headache, dizziness, restlessness, insomnia, anxiety, tension, blurring of vision, fear, excitement, tachycardia, palpitations, angina, Adam-Stokes syndrome, pulmonary edema, hypertension, hypotension, ventricular arrhythmias, tachyarrhythmias, flushing of the skin, diaphoresis, mild tremors, weakness.

For Healthcare Professionals

Applies to isoproterenol: compounding powder, inhalation aerosol, inhalation aerosol with adapter, inhalation solution, injectable solution, intravenous solution.


The frequency of the reported side effects has not been defined.[Ref]


Frequency not reported: Tachycardia, palpitations, angina, Adams-Stokes attack, Adams-Stokes seizure, hypertension, hypotension, ventricular arrhythmia, tachyarrhythmia, flushing, pallor, ischemic injury, hot flash[Ref]


Frequency not reported: Pulmonary edema, dyspnea[Ref]

Nervous system

Frequency not reported: Headache, dizziness, mild tremor, light headedness[Ref]


Frequency not reported: Vision blurred[Ref]


Frequency not reported: Nervousness, restlessness, tension, fear of excitement[Ref]


Frequency not reported: Weakness, tinnitus, asthenia[Ref]


Frequency not reported: Nausea, vomiting[Ref]


Frequency not reported: Sweating[Ref]

More about Medihaler-Iso (isoproterenol)

Patient resources

Other brands


Professional resources

Other brands


Related treatment guides


1. Cerner Multum, Inc. Australian Product Information.

2. Product Information. Isuprel HCl (isoproterenol). Hospira Inc. 2017.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.