Definition
An alpha-1 adrenergic agonist used as a mydriatic, nasal decongestant, and cardiotonic agent.
An alpha-adrenergic agonist used as a mydriatic, nasal decongestant, and cardiotonic agent (PubChem). Phenylephrine is used as a decongestant, available as an oral medicine or as a nasal spray. Phenylephrine is not the most common over-the-counter (OTC) decongestant (wikipedia) [HMDB]