Q: How long the effect of Naloxone
Answer: About 45 minutes.
Naloxone is commonly given
intravenously in ICU for fastest action to reverse the opiod overdose. Naloxone act within a minute, and last up to 45
If no IV access available, It
can also be given via intramuscular or subcutaneous route. Newer nasal forms are available too.
Objective of above question
to emhasize the fact that, If patients do show a response they should remain under close monitoring as the effects of naloxone
may wear off before those of the opioids and they may require repeat dosing at a later time.