Tuaminoheptane ( , INN ) (brand names BAN Heptin, Heptadrine, Tuamine), or simply tuamine, also known as 2-aminoheptane, is a sympathomimetic agent and vasoconstrictor which was formerly used as a nasal decongestant.   It has also been used as a  stimulant. 
Tuaminoheptane has been found to act as a
reuptake inhibitor and releasing agent of norepinephrine, which may underlie its decongestant and stimulant effects.   It is an  alkylamine. The  chemical structure of the drug differs from that of other norepinephrine releasing agents, such as the phenethylamines, which, in contrast to tuaminoheptane, have an aromatic ring in their structure. Tuaminoheptane is also a  skin irritant and can cause contact dermatitis via inhibition of volume-regulated anion channels, which limits its usefulness as a decongestant.
Tuaminoheptane is on the 2011 list of prohibited substances published by the
World Anti-Doping Agency.
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