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A member asked:
How long will it take omnicef (cefdinir) to get out of your system?
A doctor has provided 1 answer
About 9-10 hours: It takes 5.5 x elimination half lifes for a medicine to be out of ones system. The elimination half life of Omnicef (cefdinir) is approximately 1.7 hours. It should be out of ones system in about 9.4 hours.
Answered 7/31/2019
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