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A member asked:
How long would a 100mcg fentanyl patch have to be worn before i knew if i was in danger?
A doctor has provided 1 answer
Fentanyl patch: USe of fentanyl patches results in plasma levels being adequate in about 6-8 hours with the first patch. So if you just went straight to a 100mcgm patch first use it will take 6-8 hours. One should never use a 100mgcm patch as the first selection when using Fentanyl patches - always start low and increase dose as needed and indicated.
Answered 3/20/2015
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