Opiates Dependence. The best-known side effect of opiates is addiction, and it's surprisingly easy to develop an addiction. Even codeine is addictive, and it is possible to get an addiction in as little as three days, although three weeks is more normal, depending on the drug.
http://drugabuse.com/library/the-effects-of-opiate-use/
All 40 patients reported improvements in depression, hopelessness and quality of life and sustained pain control that accompanied a stable opioid dosage. In addition, all patients reported improvements in at least 1 physiologic function.
http://www.news-medical.net/news/20130415/New-research-shows-effects-of-long-term-use-of-opioid-therapy.aspx
Opiate abuse affects the stomach thanks to the opioid receptors in it; additionally, certain medullary brain structures (the area postrema) contain chemoreceptors sensitive to the presence of opiates or other toxins – so it's unsurprising that opiate abuse can cause nausea or vomiting in the long-term.
http://drugabuse.com/library/the-effects-of-opiate-use/
New research shows effects of long-term use of opioid therapy. Half of patients on high-dose, long-term opioid therapy had hormonal disturbances or signs of inflammation, while 100 percent reported improved pain control and mental outlook, new research shows.
http://www.news-medical.net/news/20130415/New-research-shows-effects-of-long-term-use-of-opioid-therapy.aspx
Despite these improvements, 12 (30 percent) of patients had an elevated serum hormone level, an inflammatory marker, or both, suggesting the presence of an on-going painful, inflammatory process.. In addition, he wrote, the observed hormonal suppression was a significant complication.
http://www.news-medical.net/news/20130415/New-research-shows-effects-of-long-term-use-of-opioid-therapy.aspx
Short-Term Effects of Opiates. The biggest advantage to opiates is that they're very effective at controlling pain, and they're relatively cheap. Morphine has been around for over a century, yet it still is used regularly to control pain.
http://drugabuse.com/library/the-effects-of-opiate-use/
Opiates usually produce a high of some type; the faster acting they are, the more intense the high they produce. Heroin produces a very intense high thanks to its very short duration of action: its half-life is between 15 and 30 minutes. Morphine is much longer, lasting from 4 to 6 hours.
http://drugabuse.com/library/the-effects-of-opiate-use/
Most clinical trials that examine opioid use are of short duration, and little is known about long-term outcomes, particularly in patients who suffer from noncancer pain. The 40 patients included in the study were evaluated between July and October 2012.
http://www.news-medical.net/news/20130415/New-research-shows-effects-of-long-term-use-of-opioid-therapy.aspx
Nine patients (22.5 percent) had an elevated CRP or ESR. The high-dose opioid patients studied here greatly improved many physiologic functions and mental outlook, Forest Tennant, MD, PhD, study author and medical director of Veract Intractable Pain Clinic in West Covina, concluded, writing in a scientific poster.
http://www.news-medical.net/news/20130415/New-research-shows-effects-of-long-term-use-of-opioid-therapy.aspx
They're called opiates because they are derived from chemicals found in the sap of the opium poppy – one of the biggest moneymakers in the Afghan mountains. However, the more general term also covers a wide range of drugs that have never existed in nature, such as methadone, hydrocodone, oxycodone, and fentanyl.
http://drugabuse.com/library/the-effects-of-opiate-use/
what are the long term effect of opiates
 The long term effect of opiates is nausea or vomiting. The long term effect of opiates are nausea or vomiting. That opiate abuse can cause nausea or vomiting in the long-term.