Name: Isoproterenol

What is isoproterenol inhalation (isuprel mistometer)?

Isoproterenol is a bronchodilator. It works by relaxing muscles in the airways to improve breathing.

Isoproterenol inhalation is used to treat conditions such as asthma, bronchitis, and emphysema.

Isoproterenol inhalation may also be used for conditions other than those listed in this medication guide.

What is the most important information i should know about isoproterenol inhalation (isuprel mistometer)?

It is important to use the isoproterenol inhaler properly, so that the medicine gets into the lungs. Your doctor may want you to use a spacer with the inhaler. Talk to your doctor about proper inhaler use.

Seek medical attention if you notice that you require more than your usual or more than the maximum amount of any asthma medication in a 24-hour period. An increased need for medication could be an early sign of a serious asthma attack.

What are some things I need to know or do while I take Isoproterenol?

  • Tell all of your health care providers that you take this medicine. This includes your doctors, nurses, pharmacists, and dentists.
  • Have blood work checked as you have been told by the doctor. Talk with the doctor.
  • Check blood pressure and heart rate as the doctor has told you. Talk with the doctor.
  • If you are allergic to sulfites, talk with your doctor. Some products have sulfites.
  • Use with care in children. Talk with the doctor.
  • Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using isoproterenol while you are pregnant.
  • Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.

If OVERDOSE is suspected

If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

How do I store and/or throw out Isoproterenol?

  • If you need to store isoproterenol at home, talk with your doctor, nurse, or pharmacist about how to store it.

Duration of Action

IV: 10-15 minutes

Half-Life Elimination

2.5-5 minutes


IV infusion administration requires the use of an infusion pump.


Disease-related concerns:

• Cardiovascular disease: Use with caution in patients with cardiovascular disease (eg, coronary artery disease); may increase myocardial oxygen demand resulting in ischemia.

• Diabetes: Use with caution in patients with diabetes mellitus; may transiently increase blood glucose levels.

• Distributive shock: Avoid use in patients with distributive shock; may reduce systemic vascular resistance (SVR) further resulting in hemodynamic compromise.

• Hyperthyroidism: Use with caution in patients with hyperthyroidism; may induce thyroid storm in susceptible individuals.

Special populations:

• Elderly: Use with caution in the elderly.

Dosage form specific issues:

• Sulfites: Contains sulfites; may cause allergic reaction in susceptible individuals.

Other warnings/precautions:

• Appropriate use: Use with extreme caution; not currently a treatment of choice. Excessive or prolonged use may result in decreased effectiveness.

Isoproterenol Breastfeeding Warnings

Caution is recommended. Excreted into human milk: Unknown Excreted into animal milk: Data not available Comments: The effects in the nursing infant are unknown.