Your doc's opinion: It typically takes a bit longer for Fentanyl patches to really get up to steady blood levels enough to start affecting severe pain. Unless of course, you are referring to side effects in which case those could appear immediately. Talk with your doctor and see what they advise.
Answered 5/22/2014
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6 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
6 doctors weighed in across 2 answers
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