Converse of object

• use: Whatever the route or opioid used, it is important to consider the correct conversion to ensure adequate pain relief continues.

• give: Patient-controlled analgesia update Clinical bottom line Patient-controlled analgesia with opioid produces modest improvement in pain relief compared to the same opioid given conventionally.

• prescribe: OxyContin is a synthetic opioid prescribed as a painkiller, it is a popular recreational drug in the USA.

• change: Differences in opioid sensitivity need to be assessed in efficacy comparisons of changing opioid or route of administration in chronic pain.

Adjective modifier

• parenteral: NNT 35 ( 21 to 112 ) Low umbilical artery pH 6 / 2034 14 % with epidural, 17 % with parenteral opioid.

• weak: Tramadol is a weak opioid which is also converted to another active compound by the liver.

• strong: All patients on strong opioid 's will develop constipation.

• synthetic: Methadone is a synthetic opioid used to replace heroin in the treatment of dependency.

• intravenous: Titrate small doses of intravenous opioid ( morphine, pethidine ) to control pain.

• intramuscular: This can be used as a guide to the dose of intramuscular opioid that may be given in relative safety on the ward.

Modifies a noun

• analgesic: He advised that opioid analgesics should be avoided in a patient with impaired liver function.

• agonist: Give high doses of a short acting opioid agonist in addition to BPN in an attempt to flood the mu receptors.

• analgesia: Effect of epidural vs parenteral opioid analgesia on the progress of labor.

• antagonist: Naltrexone is an opioid antagonist that blocks the effect of opioids in the brain.

• dependence: Treatment can alter the natural history of opioid dependence, most commonly by prolonging periods of abstinence from illicit opioid misuse.

• receptor: Finally, why should we have morphine or opioid receptors?

Used with adjective complement

• deliver: This delivers opioid to the same opioid receptors as an intermittent injection, but allows the patient to circumvent delays.

Noun used with modifier

• kappa: It also has antagonistic activity at the kappa opioid receptor.