English to Russian Medical Medical (general) Drug administration / применение препарата

I do not understand how nebulized epinephrine can be IV (intravenously?) Can it be something else, or does the comma have a meaning (is it two different epinephrines?) Still, I can't find anywhere any information of this being administered in any other way but inhaling.
The next line says "Corticosteroids IV", of which I am not sure, either: if they would inject them, or only use for inhalation.
This is to treat respiratory distress due to croup.