| As a result, pharmaceutical companies have produced alternative opioids such as oxycodone, hydromorphone, fentanyl, methadone, and tramadol. |
| Historical evidence suggests that law enforcement has been useful in the control of alcohol, tobacco, amphetamine, and opioids. |
| Hypoxia increases central nervous system levels of specific neuroinhibitors such as endogenous opioids, adenosine, and gamma-aminobutyric acid. |
| In this study, opioids, other psychoactive medications and dehydration were the most frequent causes of reversible delirium. |
| For severe intractable cancer pain, more potent long-acting opioids are recommended. |
| Patients who are dependent on opioids or benzodiazepines may require detoxification from these substances as well. |
