Doctor insights on:
How Long Do Antibiotics Stay In Your System
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
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
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
I recently finished an antibiotic about a week ago. How long does it stay in your system and how long can it affect my birth control?
Elimination issue: That depends on the antibiotic. Usually we say that it takes 5 half lives of the antibiotic to get out of the body. More importantly, the effect on your normal gut bacteria; can be altered > 1 month depending on how broad spectrum the antibiotic. Flora helps ocp absorption. It would be safest to at least use a secondary mode of protection for a month after you complete your course of antibiotic. ...Read more
I took diflucan (fluconazole) for 14 days. Thrush from antibiotics. How long does it stay in your system after last dosage?
~6 days: Half-life of fluconazole is 30hrs (range 20-50hrs). Check out http://www. Drugs. Com/pro/diflucan.html. Medications are considered to be out of body after 5 half-lives or in this case 150hrs or 6+days, assuming 30hrs. Of course, this is affected by your kidney function, in which it could stay in your body longer or be broken down more quickly in less time. Most important is resolving infection ...Read more
Hi. Can you please tell me how long augmentin (amoxicillin and clavulanate) antibiotic stay in your system after the last does? When is it safe to drink alcohol after last dose??
Antibiotic Half-Life: The half-life of an antibiotic in the system varies greatly among antibiotic. Each antibiotic has it's own half-life which is the time it takes for half of the drug to leave the body. Normally, after 5 half-lives, the drug is considered totally gone. So if Ampicillin has a half life of 1 hour, after 5 hours it is completely gone from the body. Remember, each drug has it's own unique half life. ...Read more
Depends: Most antibiotics you take are out of your system within days. You can look at the number of times a day you have to take a pill and then try to realize that it must be washing away if you have to take it multiple times a day. Since there are so many different antibiotics I can't give a specific answer, but usually after 5 'half-lives' the antibiotic is totally gone. Twice a day? -> gone in 2 days ...Read more
Can you provide: More information about the actual medication/ dosage so this can be explored for you. ...Read more
Depends of half-life: The half -life (length of time for half of the med dose to be metabolized is differernt for different meds. Many medications can be dosed once a day, other are generally given 2 or 3 times a day -based upon the half-life. Few antibiotics would be in your system more than 24hrs. ...Read more
Depends on the drug: The times to clear vary a lot. ...Read more
I took my last antibiotic pill today. How long does the medicine stay in the system and gone completely?
Couple days: Most medications clear within about four dose-lengths. So if you were taking it every 12 hours, by 48 hours it's gone. Shorter if it was dosed mor often, longer if it was dosed less often. ...Read more
I've been tested for clamidya and it came back possitive, I've taken my antibiotics but how long does it take for the clamidya to be out of my system?
Treating Chlamydia: It all depends on the medication used to treat the infection. This can be from 48 hours to seven days. ...Read more
On antibiotics amoxicillin need to do complete regular bloodtests can I do them or how long do I wait for antibiotics to leave system if so?
All depends on what: You are looking for. Antibiotics (against-life-things, i.e. poisons to micro-organisms which most humans tolerate well) do not alter most blood test values. However, values resulting from infection: blood cultures, white blood cell concentrations, or specific antibody concentrations related to infection (beyond current clinical tests) would change if reflect antibiotic relevant infection change. ...Read more
I am not on birth control now but I start next month. I am getting on antibiotics. How long until it is out of my system for birth control to work?
What do you do to treat pseudomonas repeated UTI and weakened immune system due to long term antibiotic use?
Repeat UTI's: I would suggest you see a urologist to arrive at a diagnosis of what is causing your having repeat uti's. One of the causes is an anatomical problem of your urinary system. You will need a renal ultrasound and perhaps a xray of your kidneys, ureters and bladder. Have your urine cultured to make sure your doctor is giving you an effective antibiotic. How do you know your immune system is weak? ...Read more
I had to take a single dose of 200mg Doxycycline mono. How long until all of the antibiotic is completely gone and out from my system?
4 days: The exact half life depends somewhat on which salt it is. The halflife cycling of D. hyclate (one of the more common forms) would indicate than it usually would be undetectable in 3.5 to 4 days ...Read more
Brown recluse bite 36hrs ago. On antibiotics/Benadryl. Red line coming from it is fading but getting longer-just the lymphatic system working?
Continue the antibiotics until line is gone...
Hope this is helpful!
Dr Z ...Read more
How long does it take for food poisining to leave the system? I had diarreah yest & today now I feel constipated I took antibiotics & anti nausea
I have taken Bactrim (sulfamethoxazole and trimethoprim) 800 DS twice a day for 10 days for cellulitis. How long after the last dose will this antibiotic stay in my system?
High liver enzymes from two weeks prednisone and 17 days antibiotics. How long for that to leave system and liver become healthy again?
Treated for chymadia how long does it take the antibiotics 2work and leave ur system I had to take 2 azithromycin 500mg took it and am not having sex?
Azithromycin...: ...is very long acting; it will be in your system for at least 10 days (which is one reason it works well against chlamydia even with only one dose). Probably you will be technically cured within 5 days, but best to avoid sex for a week. And of course don't resume sex with previous partner (s) until he/they have also been treated for chlamydia, even if they had negative test results. ...Read more
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