Doctor insights on:
How Long To Get Bactrim Out Of System
55 hours: Bactrim (sulfamethoxazole and trimethoprim) contains trimethoprim and sulfamethoxazole. The half life of trimethoprim (time to elimination of half the drug) is 10 hours in healthy people. The half life of sulfamethoxazole is 11 hours in the healthy. A drug is considered eliminated 5 half lives after the last dose was taken. Therefore Bactrim (sulfamethoxazole and trimethoprim) would be eliminated about 55 hours after taking the last dose. ...Read more
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?
Hi my doctor wants me to take Bactrim (sulfamethoxazole and trimethoprim) ds 800-160mg twice a day for 7days. How long would that take to be out of my system after the 7th day?
800-160: Symptoms from your dosing should stop by day 8! If that is not the case, immediately call your doctor. ...Read more
How long does it take for bactrim (sulfamethoxazole and trimethoprim) to leave your system after taking your last pill. I am still having intermittent adverse reactions 8 days later.
Several days: It takes a few days to leave your system but that doesn't mean you can't have adverse reactions after that. Ask your question again and detail your symptoms. ...Read more
How long after taking my last Bactrim (sulfamethoxazole and trimethoprim) is it safe to drink alcohol? How long after last dose does it stay in your system?
50 hours: The half-life of Bactrim (sulfamethoxazole and trimethoprim) is about 10 hours. A drug should be completely out of your system after 5 half-lives; therefore, Bactrim (sulfamethoxazole and trimethoprim) should be out of your system within 50 hours or just over a day. Alcohol can interact with Bactrim (sulfamethoxazole and trimethoprim) and cause some unpleasant side effects such including: fast heartbeats, warmth or redness under your skin, tingly feeling, nausea, and vomiting. ...Read more
I get insomnia from bactrim (sulfamethoxazole and trimethoprim) ds 800-160. How long after taking a pill might this impact me?
See answer: The half-life of a drug is the time it takes for a drug to lose half (50%) of its pharmacologic or physiologic properties. The half-life of the two drug ingredients in Bactrim (sulfamethoxazole and trimethoprim) are 8 and 10 hrs. Therefore, after 5 half-lifes or 40 and 50 hrs for the 2 drugs, 97% of the drugs will be out of your system (~2 days). One would expect any related insomnia to be short? ...Read more
I have a staph infection on my hip and received a shot and bactrim, (sulfamethoxazole and trimethoprim) how long will it take to get better?
STAPH INF/LIP: It may take 5 to 7 days at the most if the choice of antibiotics is correct. ...Read more
Use Bactrim (sulfamethoxazole and trimethoprim) 2x for 5 days-UTI. Last dose. Urine checked today, no infection but still have some lower back & pelvic pain. How long until i get relief?
Needs evaluation: If your pain were caused by a bladder infection then it should be better by now. There are two possibilities. 1. Your infection was not sensitive to the antibiotic Bactrim (sulfamethoxazole and trimethoprim). This seems unlikely since your urine test today was normal 2. Your pain is caused by something else. This is more likely. Follow up with your physician is warranted. ...Read more
Will taking bactrim (sulfamethoxazole and trimethoprim) suspension for 10days for a UTI negatively affect my immune system or the good bacteria in my gut? I am a 19yo male
How long does it take folliculitis to respond to antibiotics? I have been taking Bactrim twice a day and I'm on day 4 with no improvement.
Now: Cipro (ciprofloxacin) and Bactrim are both anti-biotics. They could potentially be taken at the same time. Why 1 bactrim? If you are treating a urinary tract infection often, the Cipro (ciprofloxacin) would be sufficient. This treatment should not be without medical supervision, please consult your prescriber or pharmacist for further assistance. ...Read more
I have had to take Bactrim DS for a week and I have heard you can easily get Steven-Johnson Syndrome after taking it. How likely is that to occur?
Bactrim ds 800.2x daily for cellulitis. How long before improvement. I'm on day 3. If I were to have an allergic reaction would I know by now.? Ty
Yes,: However, there are still chances of developing allergic reaction later, but would be small and mild as time goes by. Regarding improvement, it depends on site, size, general condition, drugs used, etc, in general, if no improvement after few days, the management plan should be revisited, best wishes ...Read more
How long after starting bactrim will it take for a uti to clear up? I'm going on day 3 and it still feels like my bladder isn't emptying completely.
Resistant germs: If you are not getting better from these antibiotics, I would worry about the germ being 'resistant'. This is an increasingly common problem these days- for multiple reasons... I would DEFINITELY check back with the doc who ordered the medication-hopefully they did a urinary culture, which would serve as a guide to the best therapy. You should be better by now. I would drink LOTS of water too ...Read more
I'm on depo provera (medroxyprogesterone) I recently took antibiotic (BACTRIM).How long to wait until my shot kicks back in due to less effectiveness from the antibiotics
What's the best way to get urine flowgoing with a UTI on. II'm on Bactrim (sulfamethoxazole and trimethoprim) ?
Hydration: keep hydrated and drink adequate fluids.Get a more detailed answer ›
Hi I just took a bactrim (sulfamethoxazole and trimethoprim) by a mistake thinking it was a ibuprofen I'm i going to get sick?
I went to dr yesterday and found out I have kidney infection. How long before i start improving. I'm hurting in my stomach, back. Taking bactrim (sulfamethoxazole and trimethoprim). ?
Pyelonephritis: As long as the bacteria causing the infection is sensitive to Bactrim (sulfamethoxazole and trimethoprim) you should be improving soon. If you have vomiting or unrelenting pain it is a good idea to notify your physician. Some patients who develop kidney infections require in hospital management with IV antibiotics if they are unable to tolerate the oral treatment or have progression on oral antibiotics. ...Read more
Try HealthTap PRIME: HealthTap PRIME doctors see and treat you, via smartphone, tablet, or laptop. They can see photos you upload into your FILES. PRIME can be accessed from anywhere in the world, and patients just have a monthly subscription fee. Sometimes a prescription for a UTI can be done on PRIME, but sometimes it cannot (depends on the individual circumstances). Fees are the same with or without a prescription. ...Read more
Can I take a probiotic while on Bactrim (3 day treatment)? If so, how should I time the doses of the probitoics (how long before or after Bactrim)?
Got bit by a brown recluse on my back went to the er was put in bactrim and was told to watch the site for further progressions how long will this las?
Serious sting: Brown recluse spider bites can lead to very serious after effects. If indeed you were stung by a brown recluse spider you may experience progressive local necrosis or something equally bad. I would strongly advise you to ask your primary care physician to refer you to a infectious disease specialist for a second opinion very soon. ...Read more
I have acute bronchitis. My doctor prescribed Bactrim. Should I take it or wait it out? Not sure how long this should last.
Do I have to wait between taking kelfax, bactrim, and dulcolax, or can I take them all close to the same time? Also taking aspirin. If yes how long.
With cellulitis (child), how long after oral antibiotx start should we see less symptoms? (swelling, redness, warmth in arm) (bactrim)
24-48 hours: It takes some time for the meds to work. Initially, antibiotics first stop the spread of infection before symptoms abate. ...Read more
If I take Ibuprofen and don't get Steven-Johnson syndrome, does that mean I'll get it while on Bactrim?
MUST you get SJS????: SJS is rare. Sometimes it is a reaction to a med. No, if you do not get it from 1 med., you are not likely to get it from any other med. Because it is rare. That means most Drs have never seen it. WHY are you obsessed about it? ...Read more
If I took plan b and I take Bactrim (sulfamethoxazole and trimethoprim) will the plan b be still effective? How long to wait to take Bactrim (sulfamethoxazole and trimethoprim) if I took plan b Thursday morning
The plan b: should still be effective.Get a more detailed answer ›
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