::Ephedrine

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Ephedrine is a sympathomimetic amine and substituted amphetamine commonly used as a stimulant, concentration aid, decongestant, appetite suppressant, and to treat hypotension associated with anaesthesia.

Ephedrine is similar in molecular structure to the well-known drugs phenylpropanolamine and methamphetamine, as well as to the important neurotransmitter epinephrine (adrenaline). Chemically, it is an alkaloid with a phenethylamine skeleton found in various plants in the genus Ephedra (family Ephedraceae). It works mainly by increasing the activity of norepinephrine (noradrenaline) on adrenergic receptors.<ref name=merck/> It is most usually marketed as the hydrochloride or sulfate salt.

The herb Ephedra sinica, used in traditional Chinese medicine, contains ephedrine and pseudoephedrine as its principal active constituents. The same may be true of other herbal products containing extracts from other Ephedra species.


Ephedrine sections
Intro  Medical use  Recreational use  Contraindications  Adverse effects  Other uses  Chemistry and nomenclature  Sources  Mechanism of action  History  Legality  See also   References   

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