A 35-year-old member asked:
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how long does flagyl stay in your system after last dose?

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A 35-year-old female asked:
Dr. Georgia Latham
34 years experience Family Medicine
You're good: Flagyl has an elimination half-life of 8 hours. That is, the concentration of the drug in your blood is 1/2 the maximum concentration 8 hours after t ... Read More
A 36-year-old member asked:
Dr. Michael Ein
47 years experience Infectious Disease
40 hours: The half life (time for elimination of half the drug) of Metronidazole or Flagyl is 8 hours. Total elimination occurs after 5 half lives from the las ... Read More
A 34-year-old member asked:
Dr. Joel Gallant
35 years experience Infectious Disease
2 days: About 48 hours, which is why you're told not to drink alcohol for that period of time.
A 21-year-old female asked:
Dr. Martin Raff
55 years experience Infectious Disease
Metronidazole: Excretion via urine of 60 to 80% of the dose with fecal excretion of 6% to 15% with unchanged Metronidazole accounting for approximately 20% of the t ... Read More

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