The term usually refers to opiates or opioids, which are called narcotic analgesics. Hitler regularly consumed methamphetamine, barbiturates, amphetamine, opiates and cocaine. The major psychoactive opiates are morphine, codeine, and thebaine. Opiates, like heroin and morphine, decrease the inhibitory activity of such neurones. "-oid" meaning "opiate-like" ("opiates" being morphine and similar drugs derived from opium). Overdoses of diazepam with alcohol, opiates or other depressants may be fatal. Deaths from overdose of heroin affect younger people more than deaths from other opiates. Drugs such as cocaine and opiates are addictive for some users. However, combining these drugs with alcohol, opiates or tricyclic antidepressants markedly raises the toxicity. According to medical reports, Hall was being treated after overdosing on both opiates and benzodiazepines. As an analgesic, codeine compares weakly to other opiates. Drugs derived from plants including opiates, cocaine and cannabis have both medical and recreational uses. Goose bumps can also be caused by withdrawal from opiates such as heroin. Other depressants can include drugs like Xanax (a benzodiazepine) and a number of opiates. Naltrexone blocks the euphoric effects of alcohol and opiates.