Search results
Results from the WOW.Com Content Network
Ephedra is widely used by athletes as a performance-enhancing drug, [14] despite a lack of evidence that it improves athletic performance. [15] [16] Ephedra may also be used as a precursor in the illicit manufacture of methamphetamine. [17] Ephedra has been used as a weight-loss aid, sometimes in combination with aspirin and caffeine.
The pure alkaloid ephedrine from the Ephedra herbs is popular for effective medicine for asthma, especially because it can be given by mouth unlike adrenaline. [ 8 ] Ephedrine products are banned in U.S.A since 1994 for causing various and serious adverse effects, such as headache, insomnia, stroke, arrhythmias , myocardial infarction ...
It was a combination of theophylline, ephedra, [1] and hydroxyzine, and taken by mouth. [ 2 ] [ 3 ] It is no longer manufactured in the US due to approval of ephedra being withdrawn by the FDA . [ citation needed ]
Dexatrim formula has changed considerably over the years. In prior formulations, Dexatrim contained the decongestant phenylpropanolamine (PPA) and the amphetamine-like compound ephedra. [13] A 2000 study by Yale University School of Medicine showed an increased risk of hemorrhagic stroke with taking PPA. [14]
In the United States, it is illegal to market products containing ephedrine or ephedra alkaloids as a dietary supplement. [1] In 2004, ephedra, a botanical source of ephedrine alkaloids, was banned by the U.S. Food and Drug Administration due to serious safety concerns, injuries, and deaths linked to ephedra-containing supplements. However ...
Ephedra is a genus of gymnosperm shrubs.As of February 2025 there were 77 recognized species. The various species of Ephedra are widespread in many arid regions of the world, ranging across southwestern North America, southern Europe, northern Africa, southwest and central Asia, northern China, and western South America. [2]
Ephedra sinica (also known as Chinese ephedra or Ma Huang) is a species of Ephedra native to Mongolia, Russia (Buryatiya, Chita, Primorye), and northeastern China (Gansu, Hebei, Heilongjiang, Jilin, Liaoning, Nei Mongol, Ningxia, Shaanxi, Shanxi).
Amphetamine, the parent compound of amphetamine-type stimulants was first synthesized by Romanian chemists Lazar Edeleano in 1887. Around the same time, amphetamine's precursor ephedrine was also abstracted from a Chinese herbal medicine ephedra by a Japanese Chemist. [5]