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Doctor insights on: How To Know If Antibiotics Are Working

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How long will it take for antibiotics to start working?

How long will it take for antibiotics to start working?

It depends: What is being treated, is it the right drug, are the bugs resistent, the health of the patient and other factors. No short answer. ...Read more

Dr. John Leander Po
1,117 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


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Yes the antibiotics I'm taking are levofloxin. Shouldi stop working out?

Yes the antibiotics I'm taking are levofloxin. Shouldi stop working out?

Probably best: That you take it a bit easy, as fluoroquinolones, the antibiotic class of levofloxacin, is associated with tendon problems including rare achillles tendon ruptures. But if your are taking an antibiotic, it tells me you have some infection requiring treatment, and that independent of the antibiotic you are taking, you should be resting - though I wouldn't encouraged bed rest either. ...Read more

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How long is it supposed to it take for antibiotics to start working for a toothache?

How long is it supposed to it take for antibiotics to start working for a toothache?

See a dentist: You must treat the source of the infection, not only the symptoms. Therefore, you need to clean out the inside of the tooth to remove the bacteria which is the source of the infection. The antibiotics cannot reach the source of the infection. Ask your dentist for more information. ...Read more

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I have colitis and the antibiotics are not working and i'm still in pain what do you suggest that i do?

See below: Have stool culture, c. Difficile toxin and ova and parasites checked. See a gastroenterologist and get a colonoscopy to determine what type of colitis you have so that it can be treated appropriately. Good luck and feel better. ...Read more

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Dr. Tony Ho Dr. Ho
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Any opinions on the "allicin" in garlic working as an alternative to antibiotics? Products like allimax, etc.

Dr. Tony Ho Dr. Ho
1 doctor agreed:
Any opinions on the "allicin" in garlic working as an alternative to antibiotics? Products like allimax, etc.

Chance: If you had a severe infection, would you want something that had been studied to make sure it treats the infection, or something with vague claims and no solid scientific data in humans? ...Read more

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I have a headcold and a constant cough. I am taking an antibiotic but it doesn't seem to be working. What can I do next?

I have a headcold and a constant cough. I am taking an antibiotic but it doesn't seem to be working. What can I do next?

Rest and wait: Probably viral then and sometimes it takes awhile to clear. Otc meds can help symptoms, but won't make it go away quicker. Stay in contact with your doc to make sure you don't have a pneumonia. ...Read more

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I've recently started having chronic utis. Antibiotics aren't working and I'm not having any symptoms. Could there be an underlying issue?

Recurrent UTI: "Chronic" UTIs without symptoms should mean 2 or more urine cultures showing the same bacteria that didn't clear or came back soon after treatment with an antibiotic tested and known to be active against that bacteria. If so, at age 33 an underlying problem is a good bet, e.g. kidney stone, bladder diverticulum, and others. Talk to doctor; maybe referral to infectious diseases specialist. ...Read more

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I've had this awful cold. 3 weeks & it's just worsening. Nothing seems to help. I'm being treated with 3 antibiotics. It's not working at all. ?

FollowUp With MD: We can not help you.You say you have a cold and you have been prescribed three Antibiotiics.Most colds are caused by viruses and we do not prescribe antibiotics for cold.And you say you were prescribed three Antibiotics at the same time.It does not make any sense.I suggest you follow up with your doctor and ask him/her what is wrong with you and what further treatment if any you need ...Read more

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What antibiotic to use if keflex isnt working?

Depends.: On what it isn't working for. It isn't ever supposed to work for viral infections like mono, and the second line drug depends on the type of infection for which Keflex failed. ...Read more

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What is the chances of a antibiotic for chlamydia not working ?

What is the chances of a antibiotic for chlamydia not working ?

Zero to 15%: The two main treatments are doxycycline 100 mg twice daily for 7 days or azithromycin 1 gram single dose. Doxy is100% effective if taken as directed, with no missed doses. Evolving research shows azithro is about 95% effective, i.e. it fails in 1 in 20 patients, up to 10-15% if the rectum is infected. All patients should be retested after ~3 mo to detect both treatment failure and reinfection. ...Read more

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My throat is hurting badly and it switched sides.... However antibiotics aren't working?

My throat is hurting badly and it switched sides.... However antibiotics aren't working?

Doctor should check: Viruses aren't stopped with the usual antibiotics. Mono is from the EBV virus, and can cause swollen glands (lymph nodes) and big tonsils. Strep throat can do the same thing, but strep throat needs antibiotics. If on an effective antibiotic, strep throat clears up quickly. Sometimes there is an abscess in a tonsil or the back of the throat. This all means that a trip to the doctor would be wise. ...Read more

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Do antibiotics stop working if you drink?

Do antibiotics stop working if you drink?

Generally not: Alcohol in the bloodstream will interfere with leukocyte function, but there are few negative interactions with antibiotics that will likely interfere with their antimicrobial activity. Azole containing drugs like Metronidazole may produce very significant severe side-effects if alcohol is present in the blood. ...Read more

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Should i be working out if i'm taking antibiotics?

Should i be working out if i'm taking antibiotics?

Medications: The only advice here is that working out should not occur if you are feverish or have been advised to rest. I often have my patients define for me the word 'rest'…which means to not work. I also include 'to not work out'. But, antibiotics in and of themselves would not limit you to working out or not. ...Read more

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Can you tell me if i had a virus why are the antibiotics working so well?

Can you tell me if i had a virus why are the antibiotics working so well?

Possibly: the viral infection was on the way to healing when the antibiotics were started. May be there was a secondary bacterial infection. ...Read more

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I really need some answers! why aren't my antibiotics working for my root canel infection?

I really need some answers! why aren't my antibiotics working for my root canel infection?

See your dentist: You must treat the source of the infection, not only the symptoms. Therefore, you need to clean out the inside of the tooth to remove the bacteria which is the source of the infection. The antibiotics cannot reach the source of the infection. Ask your dentist for more information. ...Read more

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