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MDCalc is a free online medical reference for healthcare professionals that provides point-of-care clinical decision-support tools, including medical calculators, scoring systems, and algorithms. [1]
Measuring opioid withdrawal symptoms was first introduced to clinics, hospitals and used as a source of evidence for researchers around the mid-1930s. [1] Over time, the progression and development in health and medicine allowed the introduction of new and more advanced scales which tested for more signs and symptoms.
An equianalgesic chart is a conversion chart that lists equivalent doses of analgesics (drugs used to relieve pain). Equianalgesic charts are used for calculation of an equivalent dose (a dose which would offer an equal amount of analgesia) between different analgesics. [1]
Long-term opioid use occurs in about 4% of people following their use for trauma or surgery-related pain. [20] In the United States, most heroin users begin by using prescription opioids that may also be bought illegally. [21] [22] People with opioid use disorder are often treated with opioid replacement therapy using methadone or buprenorphine ...
Most studies suggest that the majority (perhaps as much as 90%) of chronic opioid users develop hypogonadism. A 2015 systematic review and meta-analysis found that opioid therapy suppressed testosterone levels in men by about 165 ng/dL (5.7 nmol/L) on average, which was a reduction in testosterone level of almost 50%. [138]
Withdrawal from any opioid produces similar signs and symptoms. However, the severity and duration of withdrawal depend on the type and dose of opioid taken and the duration and frequency of use. [5] The symptoms of opioid withdrawal may develop within minutes or up to several days following reduction or stopping. [1]
An opioid overdose is toxicity due to excessive consumption of opioids, such as morphine, codeine, heroin, fentanyl, tramadol, and methadone. [3] [5] This preventable pathology can be fatal if it leads to respiratory depression, a lethal condition that can cause hypoxia from slow and shallow breathing. [3]
A chart outlining the structural features that define opiates and opioids, including distinctions between semi-synthetic and fully synthetic opioid structures. An opiate is an alkaloid substance derived from opium (or poppy straw). [1]