Opioid analgesics : usually aware of all the natural and semisynthetic derivatives of alkaloids as well as synthetic drugs.

Among the opioids classified as synthetic opioids (agonists, mixed agonists - antigonisty and antagonists). Trueman is a nonselective agonist for opioid receptors. Highly effective opioid analgesic effect is due to content of active ingredient tramadol hydrochloride. The drug is a powerful opiate painkiller, with a pronounced effect of inhibition of pain perception and the feeling of pain. Analgesic effect can be largely removed by pretreatment of the antagonist nalorfina.
Trueman does not possess any distinct antagonistic effects. According to researchers, the development of dependence and addiction Tramal should be attributed to a group of strong painkillers with very little potential for development of dependence. At therapeutic doses, practically does not cause respiratory depression and disorders of the cardiovascular activity. Analgesic effect occurs quickly and lasts for several hours. The drug exerts antitussive action does not violate the motility of the gastrointestinal (GI) tract. The duration of opioid analgesic effect is 4-6 hours