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Small Animal Clinical Pharmacology - CYF MEDICAL DISTRIBUTION

Small Animal Clinical Pharmacology - CYF MEDICAL DISTRIBUTION

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OPIOID ANTAGONISTS<br />

Adverse effects<br />

● Respiratory depression is minimal with nalbuphine,<br />

with no clinical effect upon the cardiovascular<br />

system.<br />

● It will produce some sedation.<br />

duration is reported to be dependent on the dose administered.<br />

In one laboratory study in dogs, nalmefene<br />

(0.03 mg/kg IV) was found to still be effective against<br />

oxymorphone (4.5 mg IV) at 4 h. It has been demonstrated<br />

to be effective for up to 8 h in humans.<br />

Nalmefene<br />

Nalmefene is a newer pure opioid antagonist that has a<br />

longer duration of action than naloxone. The effective<br />

329

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