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Doctor insights on: How Long Do Antibiotics Stay In Your System

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How long do antibiotics stay in your system after doses?

How long do antibiotics stay in your system after doses?

5 half lives: Various antibiotics have different half lives. A half life is the time it takes to excrete 1/2 of the drug present in the body. A drug is considered to have been totally eliminated after 5 half lives. Therefore find out the half life of the antibiotic you are interested in and multiply it by 5 and you will have the time it takes for that drug to be eliminated. ...Read more

Dr. John Leander Po
1,121 doctors shared insights

Antibiotic (Definition)

An antibiotic is a medicine that slows, stops, or kills germs. The germs are usually bacteria causing an infection in a person, so the person uses antibiotics to help his body get ...Read more

Dr. Rashed Hasan
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How long do antibiotics stay in your system?

How long do antibiotics stay in your system?

Varies: The extent of time an antibiotic stays in your body would depend on which antibiotic you are taking as they will vary greatly. Ask a pharmacist for specifics. ...Read more

Dr. Rashed Hasan
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28 years in practice
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Taking Antibiotics (Checklist)

Follow directions on label
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Take all doses as directed. Don't stop when you feel better.
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Do not take someone else's antibiotic
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Throw away any leftover antibiotics when you're done
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How long do antibiotics for food poisoning stay in your system for?

How long do antibiotics for food poisoning stay in your system for?

Antibiotics: It depends on the half life of the antibiotic but i would think that they would be all clear in 72 hours. ...Read more

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How long does the antibiotic tacozin stay in your system. After a week of IV treatment? Thanks!

How long does the antibiotic tacozin stay in your system. After a week of IV treatment? Thanks!

Hmmm: Following single or multiple doses of piperacillin / tazobactam to healthy subjects, the plasma half-life of piperacillin and tazobactam ranged from 0.7 to 1.2 hours and was unaffected by dose or duration of infusion. The elimination half-lives of both piperacillin and tazobactam are increased with decreasing renal clearance. ...Read more

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Taking Antibiotics (Checklist)

Take the exact dose prescribed
Once
Follow your doctors instructions for how long to take the antibiotic
Once
Do not take someone else's antibiotics
Once
Do not take old or expired antibiotics
Once
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How long does it take for antibiotics like clarithromycin and amoxicillin stay in your system for?

How long does it take for antibiotics like clarithromycin and amoxicillin stay in your system for?

Just a few days: Antibiotics typically need to be used for 7=14 days to allow your body defenses to overcome an infection. They will typically stay in your system for a few days after completing treatment. Always important to take the entire course of treatment prescribed to assure complete eradication of the infection and to prevent a resistant infection from developing. ...Read more

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How long does the antibiotic "metronidazole" stay in your system?

How long does the antibiotic "metronidazole" stay in your system?

About 2 days: The half life of Metronidazole is 8 hours. It takes about 5 half lives for a substance to be almost entirely out of your body, so that's 40 hours for metronidazole. ...Read more

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Taking Antibiotics (Checklist)

Take with food
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Always finish the course whether you feel better early or not
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Watch for abdominal pain and diarrhea - call Dr if occurs
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Dr. Rashed Hasan
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