How soon it works: Immediate release starts having effect within 30 min to an hour or ingestion. It also only lasts for 3-4 hours. Sustained release has a longer onset of action, but also lasts between 8-12 hrs.
Answered 7/25/2012
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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