A member asked:

How long does levofloxacin stay in the system of an 81 year old after taking it for 10 days?

A doctor has provided 1 answer

6 weeks: You have not gotten up to a stable blood level after only 10 days; that takes 6 weeks. It also takes the same length of time to decrease back to pretreatment levels when you stop it. Make sure you're on the correct dose and taking only brand name T4 replacement.

Answered 1/15/2015

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