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Doctor insights on: Cefdinir How Long Does It Take To Work

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Can omnicef (cefdinir) work for a uti? If so, how long does it take for it to clear the infection?

Can omnicef (cefdinir) work for a uti? If so, how long does it take for it to clear the infection?

It may: Certain antibiotics are more specific for the urinary tract than omnicef, (cefdinir) but it may work if the bacteria causing your UTI is sensitive to it. A urinalysis with reflex c;s would determine what the bacteria is and what antibiotics are sensitive to it. Most commonly, you should start feeling better in a few days. Best wishes. ...Read more

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Cefdinir (Definition)

Cefdinir is a third generation cephalosporin which is a kind of cephalosporin type drug (anti-bacterial ...Read more


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How long does it take for omnicef (cefdinir) to work for an ear infection for a 3 year old?

How long does it take for omnicef (cefdinir) to work for an ear infection for a 3 year old?

24-48 hrs to begin: I usually expect most antibiotics to begin to take hold within 24-48 hrs. That doesn't mean "cure, " but rather noticeable improvement. Be sure to complete the full course of antibiotics. Not doing so increases the risk of drug resistance - bacteria change to become resistant to the drugs! if your child is clearly getting worse, or if you're just not sure, call your doctor. Lgromkomd. ...Read more

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How long does it take cefdinir to work on throat infections? On day 3 and throat is completely white and swollen

How long does it take cefdinir to work on throat infections? On day 3 and throat is completely white and swollen

Pharyngitis: If this was bacterial it should have begun to resolve, unless you have secondary yeast infection developing. If this was viral, Cefdinir is not going to be effective. ...Read more

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How long will it take Cefdinir to work on a 3 month old's sinus infection?

How long will it take Cefdinir to work on a 3 month old's sinus infection?

3 mo old: three month old babies do not get sinus infections. There sinuses are not even developed at this age. ...Read more

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How long does it take for cefdinir to take effect?

Prob 3 hours: Pharmokokinetics suggest that the drug has a peak plasma level of 3 hours after undergoing absorption in GI tract. This would suggest that it is active at that point (where drug levels achieve highest levels in blood). It is shortly eliminated after that. If you are wondering this as to why you are not responding - that is another thing .. e.g. viral infection and not bacterial, resistance etc ...Read more

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How long does it take for cefdinir to start helping bronchitis? We're on day three and not seeing improvement.

Likely viral: Most of the time people go to a doctor for coughing, congestion and drainage and request help with treatment. Typically these condtions are viral or allergic related and antibiotics will not do anything to help "clear" them any faster than regular rest and otc drugs will. If you are having significant wheezing you need to consider breathing treatments and return to your doctor for further eval. ...Read more

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How long does it take for omnicef (cefdinir) to relieve the pain of strep throat. I have taken 2 days worth and am still in extreme pain?

Strep throat: True strep infections respond very quickly to antibiotics. Omnicef (cefdinir) dies treat strep infections therefore if you are still sick it seems possible you may have something else besides strep. Mononucleosis is a strong candidate if you are really tired and still sick. I would go back to the doctor and ask to check for other infections. ...Read more

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How long will it take omnicef (cefdinir) to get out of your system?

About 9-10 hours: It takes 5.5 x elimination half lifes for a medicine to be out of ones system. The elimination half life of Omnicef (cefdinir) is approximately 1.7 hours. It should be out of ones system in about 9.4 hours. ...Read more

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I was diagnosed with Bronchitis(Could have been pneumonia). i was prescribed Cefdinir. How come the symptoms of bronchitis take so long to get rid of?

I was diagnosed with Bronchitis(Could have been pneumonia). i was prescribed Cefdinir. How come the symptoms of bronchitis take so long to get rid of?

Bronchitis blues: Depending on the germ that caused the bronchitis and you, the patient, symptoms of something like that can vary. Not sure if your doc 'nailed' the etiology of the cough -if it was pertussis, then that cough can last for weeks. Conversely, if you have 'reactive airways'--something like asthma or sensitivity in the breathing tubes, you could cough for a while as well. Call ur doc if not better soon. ...Read more

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I was prescribed omnicef (cefdinir) for acne. Is long term, periodic use safe? I take for four days and acne stays away for about 3 months. Dr keeps refilling rx

I was prescribed omnicef (cefdinir) for acne. Is long term, periodic use safe? I take for four days and acne stays away for about 3 months. Dr keeps refilling rx

Omnicef (cefdinir) for Acne: As with all drugs, there are side effects: http://www.Drugs.Com/sfx/omnicef-side-effects.Html. There is also the danger of altering your normal body's bacterial flora and acquiring a second infection. Short term use and cycling off for 3 months may offer the best balance between the risks and benefits of any long term antibiotic use. ...Read more

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I was prescribed Cefdinir and ketorolac for pain For pleurisy. How long before the cefdinir works? Pain is terrible and the pain meds aren't helping

I was prescribed Cefdinir and ketorolac for pain For pleurisy.  How long before the cefdinir works?  Pain is terrible and the pain meds aren't helping

Virus? Call doctor.: Pleurisy (inflammation around but not in the lung, with breathing pain) is due to viruses, which do not respond to any antibiotic. Your doc probably prescribed cefdinir as a precaution, and it may not help. Even if your pleurisy is bacterial, probably it will take several days for the antibiotic to improve symptoms. Sounds like you need better pain control meds. Discuss all this with your doctor. ...Read more

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How long for Cefdinir to work on Strep in a 2 yr old? Amoxicillin ineffective for two days, switched to cefdinir last night, still very fevered & weak

How long for Cefdinir to work on Strep in a 2 yr old? Amoxicillin ineffective for two days, switched to cefdinir last night, still very fevered & weak

Fever: strep throat is extremely sensitive to antibiotics, weather it is amoxicillin or cefidnir. If your child is not responding, it means that there is something else your child has on top of strep like a viral infection. ...Read more

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How long should it take for cefdinir to clear an ear infection?

How long should it take for cefdinir to clear an ear infection?

Define "clear": Studies suggest when the germs in the middle ear fluid are susceptible to the med, they have been killed by 3-5 days into treatment with the standard 10 day course of the meds. Depending on the age and other factors it can take 3-6 weeks before the middle ear fluid and debris clear and hearing returns to baseline. ...Read more

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Can I take omnicef (cefdinir) and brestfeed?

Yes: Omnicef (a brand of the antibiotic cefdinir) is safe to use during pregnancy and is not detected in breast milk. ...Read more

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What happens if I take 1600 mg of cefdinir, will I die?

Why are you asking?: Even if this amount of cefdinir (omnicef) would not kill you - why do you need to know about lethal dosages? If you are having thoughts about killing yourself, get seen at the nearest emergency room now. Have a friend or relative drive you or call 911 for emergency services for transport. You can call the National suicide hotlines 24/7 at 1-800-suicide (1-800-784-2433) or 1-800-273 – talk ...Read more

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Can you tell me if i take 1600 mg of cefdinir, will i die?

If you are having: thoughts about killing yourself, get seen at the nearest emergency room now. Have a friend or relative drive you or call 911 for emergency services for transport. You can call the National suicide hotlines 24/7 at 1-800-suicide (1-800-784-2433) or 1-800-273 – talk (1-800-273-8255) for support. ...Read more

Dr. Oscar Novick
181 doctors shared insights

Omnicef (Definition)

Omnicef is a third generation cephalosporin which is a kind of cephalosporin type drug (anti-bacterial ...Read more