What are epheridne and pseudoepherdine?

- not only release stored norepinephrine from nerve endings but also directly stimulate both α and β receptors. - similar to those of epinephrine, although less potent - are not catechols and are poor substrates for COMT and MAO; - have a long duration of action. - Ephedrine and pseudoephedrine have excellent absorption orally and penetrate into the CNS The chemical compound of ephedrine is likened to the structure of amphetamines; it can even be used to make methamphetamine. This makes it a high-demand substance for illicit drug manufacturers and another key reason that ephedrine has become more difficult to obtain. Ephedrine’s similar structure to amphetamines explains its addictive nature