Top answers from doctors based on your search:
Disclaimer

how long does flagyl stay in your body

A 34-year-old member asked:
Dr. John Leander Po
17 years experience Infectious Disease
About a day...: The average half life (time to reduce the amount of drug to 1/2 of its original amount) is 8 hours for Metronidazole (flagyl is the brand name). If li ... Read More
10
10 thanks

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Personalized answers
Free
Talk to a doctor
Unlimited visits
$10/month
A 43-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 47-year-old female asked:
Dr. Cesar Sturla
34 years experience Internal Medicine
Half life 8 hours: Single 500 mg dose gives a peak plasma concentration of around 12 mcg/ml.
1
1 thank
A 43-year-old member asked:
Dr. Martin Raff
55 years experience Infectious Disease
Metronidazole: This drug can be used to treat bacterial vaginosis and trichomonas infections, but have no idea what you are asking about duration of activity for sex ... Read More
A 41-year-old member asked:
Dr. Mitchell Blass
28 years experience Internal Medicine
Very short half life: In general Ampicillin and it's derivatives have a very short half life and if one stops taking the medicine, it will be out of ones system in a matter ... Read More
1
1 thank
A 45-year-old member asked:
Dr. Michael Fisher
31 years experience Dermatology
Minocycline: Minocycline is excreted in the urine and feces and is metabolized partially by the liver and is removed by the body in 77.5 hours after you stop takin ... Read More
1
1 thank
A 41-year-old member asked:
Dr. Ajay Acharya
36 years experience Internal Medicine
24 hrs: 24 hrs for clinical consideration.
A 46-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 50-year-old member asked:
Dr. David Rosenfeld
26 years experience Pain Management
Why ask?: Are you trying to hide the illegal use of hydrocodone? With updated technology a urine drug screen can detect hydrocodone or its metabolites for many ... Read More
A 37-year-old member asked:
Dr. James Gagne
47 years experience Internal Medicine
About 24 hours : Penicillin is an antibiotic with a short half-life, about four hours. If you take 500 mg at noon, 250 mg is still there at 4 pm, 125 mg at 8 pm, 62 mg ... Read More
2
2 thanks
A 52-year-old member asked:
Dr. David Doucette
38 years experience Obstetrics and Gynecology
Days: Levonorgestrel binds to proteins in the blood and is eventually eliminated through mostly urine and some in feces. The amount of time for half of the ... Read More
A member asked:
Dr. David Rosenfeld
26 years experience Pain Management
See below: The half life is 4.5 hours. Based on that it should be out of your system in 18 hours.
3
3 thanks
A 41-year-old female asked:
Dr. Michael Fisher
31 years experience Dermatology
Doxycycline: 99.9% of Doxycycline is removed from your system after 90 hours.
1
1 thank
A 65-year-old female asked:
Dr. Yash Khanna
56 years experience Family Medicine
24 Hours: Ibuprofen start working in 20to30minutes and last for six hours .It's half life is only 2 hors.Means in 2hours only half remains in your system and af ... Read More
A 45-year-old member asked:
Dr. Marc Zimmermann
21 years experience Psychiatry
75 hours.: Trazodoone is metabolized in two phases. The total half life is approximately 15 hours. The medication should be out of your system in a little over ... Read More
2
2 thanks
A 41-year-old member asked:
Dr. Ralph Morgan Lewis
37 years experience Family Medicine
Depends on…: Dose & how long you were on it. Mtx's half life (amount of time for active med to be reduced by 1/2) is given as 3-15 hours but varies according the d ... Read More
A 48-year-old female asked:
Dr. Stanley Schwartz
51 years experience Endocrinology
About...: 24 hours.
1
1 thank
A 52-year-old member asked:
Dr. Richard Zimon
58 years experience Internal Medicine
12 hours: in the blood 2-4 days METABOLITES will be detectable in your urine! If you are taking PRESCRIPTION codiene bring the BOTTLE with you to the test and ... Read More
A 47-year-old female asked:
Dr. Francine Yep
30 years experience Family Medicine
120-150 hours: It takes about 120-150 hours for your body to clear fluconazole. It takes longer if your kidneys are working harder.
10
10 thanks
A 48-year-old member asked:
Dr. Brian Nichol
29 years experience Anesthesiology
varies: Typically metabolites of hydrocodone are present in urine from 3-7 days.
1
1 thank
A 51-year-old member asked:
Dr. Michael Fisher
31 years experience Dermatology
Heroin: The half life of heroin is 8 hours. Generally it take 5 half lives for a drug to be removed from the body. Thus, heroin is metabolized and out of th ... Read More
3
3 thanks
A 40-year-old member asked:
Dr. Erica Bial
Specializes in Pain Management
Half life and more: That depends on that you mean by "your system." the "half life" of morphine (the time it takes once it peaks in the body for half of it to have been m ... Read More
A 34-year-old female asked:
Dr. Shahid Rafique
43 years experience Internal Medicine
72 hours: Metabites of alpazolam (xanax) can be detected approximately 72-96 hours after the last dose. Some individuals metabolize it faster and it is cleared ... Read More
3
3 thanks

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Personalized answers
Free
Talk to a doctor
Unlimited visits
$10/month