Depend: Ususally in about 2-3 weeks a signficant improvement will be experienced by the patient if that is the problem for the symtoms experienced by the patient. It also depends on the seriousness of the impact of the illness prior to making the change.
Answered 12/10/2013
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2 doctors weighed in across 2 answers
2 doctors weighed in across 2 answers
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