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  2. Morphine - Wikipedia

    en.wikipedia.org/wiki/Morphine

    In the Netherlands, morphine is classified as a List 1 drug under the Opium Law. In New Zealand, morphine is classified as a Class B drug under the Misuse of Drugs Act 1975. [153] In the United Kingdom, morphine is listed as a Class A drug under the Misuse of Drugs Act 1971 and a Schedule 2 Controlled Drug under the Misuse of Drugs Regulations ...

  3. Opioid overdose - Wikipedia

    en.wikipedia.org/wiki/Opioid_overdose

    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]

  4. Opioid-induced hyperalgesia - Wikipedia

    en.wikipedia.org/wiki/Opioid-induced_hyperalgesia

    In addition, what appears to be opioid tolerance can be caused by opioid-induced hyperalgesia lowering the baseline pain level, thus masking the drug's analgesic effects. [11] Identifying the development of hyperalgesia is of great clinical importance since patients receiving opioids to relieve pain may paradoxically experience more pain as a ...

  5. Combined drug intoxication - Wikipedia

    en.wikipedia.org/wiki/Combined_drug_intoxication

    Alcohol can exacerbate the symptoms and may directly contribute to increased severity of symptoms. The reasons for toxicity vary depending on the mixture of drugs. Usually, most victims die after using two or more drugs in combination that suppress breathing, and the low blood oxygen level causes brain death. [6]

  6. Hydromorphone - Wikipedia

    en.wikipedia.org/wiki/Hydromorphone

    Users of hydromorphone may experience painful symptoms if the drug is suspended. [26] Some people cannot tolerate the symptoms, which results in continuous drug use. [26] Symptoms of opioid withdrawal are not easy to decipher, as there are differences between drug-seeking behaviors and true withdrawal effects. [27]

  7. μ-opioid receptor - Wikipedia

    en.wikipedia.org/wiki/Μ-opioid_receptor

    Tramadol and tapentadol carry additional risks associated with their dual effects as SNRIs and can cause serotonin syndrome and seizures. Despite these risks, there is evidence to suggest that these drugs have a lower risk of respiratory depression compared to morphine. [40]

  8. Forensic toxicology - Wikipedia

    en.wikipedia.org/wiki/Forensic_toxicology

    The substances must be specific. It is the most common drug screening technique. Using the targeted drug the test will tell you if it is positive or negative to that drug. There can be 4 results when taking the test. Those results can be a true-positive, a false-negative, a false-positive, and a true-negative. [14]

  9. Opioid use disorder - Wikipedia

    en.wikipedia.org/wiki/Opioid_use_disorder

    These include the severity of withdrawal symptoms, the time elapsed since the last opioid use, and the type of opioid involved (long-acting vs. short-acting). [134] A standard induction method involves waiting until the patient exhibits moderate withdrawal symptoms, as measured by a Clinical Opiate Withdrawal Scale, achieving a score of around 12.