Wednesday, October 2, 2013

Q: How long does it take to see the maximum effect after IV administration of Labetalol?


Answer: 5 minutes



Labetalol bolus dose is about 0.25 mg/kg. It should be given by slow IV injection over a 2-minute period.



Additional doses in increment can be given with a total of 300 mg. The maximum effect usually occurs within 5 minutes of each injection.




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