What are opiates?

Some articles on opiates:

Tramadol - Adverse Effects - Psychological Dependence and Recreational Use
... for this receptor, these are not nearly as intense as with the opiates per se ... incidence of nausea, dizziness, loss of appetite compared with opiates, which could deter abuse ... Tramadol can alleviate withdrawal symptoms from opiates, and it is much easier to control its usage than for street drugs ...
Conditioned Place Preference - Pharmacological Effects - Opiates
... Opiates refer to a classification of drugs that are derived from the opium plant ... Many opiates have been demonstrated to produce CPP in animals ... Although opiates seem to induce CPP, there are a few interactive effects that are of interest to researchers ...
Hallucinated - Cause - Drug-induced Hallucination
... Along with deliriants, psychedelics, certain stimulants, and opiates are known to cause visual and auditory hallucinations ... Opiates are also a popular drug used to induce hallucinations, especially in larger doses ... Some of the most common opiates are opium, heroin and morphine ...
Dejerine–Roussy Syndrome - Treatments - Pharmaceutical Treatment
... Opiates contain the narcotics morphine, codeine, and papaverine which provide pain relief ... Opiates activate μ-opioid receptors in the brain which alter the brain's perception of sensory input, alleviating pain and sometimes inducing pleasure for a short time period ... When intravenously administered, opiates can relieve neuropathic pain but only for a time between 4 and 24 hours ...
Mad World - Track Listings
... IDEA3 (United Kingdom) / 812 213-7 (United States) "Mad World" – 332 "Ideas as Opiates" – 354 7" Mercury / IDEA3 (Ireland) / 568 ... (Australia, Europe) / TOS 1411 (South ...