Also known as Medihaler-Iso, Norisodrine, Isuprel, and Duo-Medihaler
Isoprenaline (INN) or isoproterenol (USAN, trade names Medihaler-Iso and Isuprel) is a medication used for the treatment of bradycardia (slow heart rate), heart block, and rarely for asthma. It is a non-selective beta-adrenergic agonist and structurally similar to adrenaline.
Source: WikipediaPatients are most commonly prescribed isoproterenol to treat sinus bradycardia, fainting, rabies, and blastomycosis.