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Doctor insights on: Amoxicillin Vs Zithromax

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Child has strep throat allergic to omincef and amoxicillin was given Zithromax but it doesn't seem to be helping what R other antiobiotics that help?

Child has strep throat allergic to omincef and amoxicillin was given Zithromax but it doesn't seem to be helping what R other antiobiotics that help?

Abx for Strep throat: Zithromax is an excellent alternative for Strep infection in those allergic to penicillin, but it generally takes a little more time to see improvement. If symptoms are not responding after 3-4 days of azithromycin treatment, clindamycin is an alternative (more potential side effects). ...Read more

Azithromycin (Definition)

Azithromycin (zithromax, azithrocin, zmax, azin)[1] is an azalide, a subclass of macrolide antibiotics. Azithromycin is one of the world's best-selling antibiotics.[2][not in citation given (see discussion.)] it is derived from erythromycin, with a methyl-substituted nitrogen atom incorporated into the lactone ring, thus making ...Read more


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Tired. Feverish. Fatigue. Weakness. Sore throat. these are the symptoms. It's been 3 weeks. Nothing improved…I've tried Zithromax, amoxicillin, etc…?

Tired. Feverish. Fatigue. Weakness. Sore throat. these are the symptoms. It's been 3 weeks. Nothing improved…I've tried Zithromax,  amoxicillin, etc…?

Not bacterial: Clearly no bacterial infection is the cause of these symptoms. Stop trying antibiotics; they won't help. See a doctor if your symptoms continue or you remain concerned. ...Read more

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Why amoxicillin is prefered over azithromycin in dental practices?

Why amoxicillin is prefered over azithromycin in dental practices?

It is not: We use both in practice and many factors go into which antibiotic we will use for a particular patient. The type of infection, duration, is the patient a good pill taker... ...Read more

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Does amoxicilin and zithromax antibiotics cause implanon to not work?

Does amoxicilin and zithromax antibiotics cause implanon to not work?

All can: Any antibiotic can interfere with the effectivness of birth control agents. Secondary method of protection is recommended while taking and for at least 2 weeks after finished. Ask your gyn for specifics. ...Read more

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Is zithromax as safe as amoxillin 16 weeks pregnant ?

Is zithromax as safe as amoxillin 16 weeks pregnant ?

Yes: Azithromycin is commonly used, even during pregnancy, for sinusitis, pharyngitis, bronchitis, as well as other indications, and is the drug of choice for chlamydia. Because of it's once daily dosing, patient compliance is much better. Another benefit is that vaginal yeast infections are far less common after a z-pack than after a course of a penicillin or a cephalosporin. ...Read more

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What is the difference between amoxicillin, azithromycin?

Different classes: Both are antibiotics but act in different ways to kill bacteria. So they are in completely different classes and have different effects. Amoxicillin is a type of penicillin. Azithromycin is a macrolide. ...Read more

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Any problem if I take amoxicillin and azithromycin at the same time?

Likely no, but don't: You should be ok, but they could cross react. They act on similar groups of bacteria, so i would take one or the other, not both. It's like wearing a belt and suspenders. Either will keep, your pants up! ...Read more

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Mi have been diagnosed with PID will amoxycillin and zithromax be enough combination to cure pid? Or will i need different antibiotics?

Mi have been diagnosed with PID will amoxycillin and zithromax be enough combination to cure pid? Or will i need different antibiotics?

Likely: Though the regimen you were prescribed isn't on the cdc's recommended list for outpatient treatment of pid, it likely will work. Typically outpatient treatment involves an intramuscular injection of Ceftriaxone and Azithromycin (zithromax). The Amoxicillin should provide coverage even if it isn't first line. If you have any question about your treatment, you can consult a clinic or md. ...Read more

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Strep isn't getting any better taking azithromycin. Can I start taking amoxicillin too?

Strep isn't getting any better taking azithromycin. Can I start taking amoxicillin too?

Throat: A physician might decide on obtaining a throat culture and sensitivity to see if your bacteria is resistant to the antibiotic that was currently prescribed. He may also decide to switch antibiotics to see if the bacteria is susceptible to another medicine. It would be advised to proceed under the guidance of a physician. Have a great day. ...Read more

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Son did not respond well to azithromycin for bronchitis so was per scribed amoxicillin, will it help him? He's 14

Son did not respond well to azithromycin for bronchitis so was per scribed amoxicillin, will it help him? He's 14

See below: Most cases of bronchitis are caused by respiratory viruses that do not respond to antibiotics. Bacterial bronchitis is usually caused by strep. Pneumoniae, hemophilus sp. And moraxella sp. These are usually treated with zithromax, ceftin, (cefuroxime) vantin, Augmentin or levoquin. ...Read more

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I am on my 4th day of azithromycin. I am now experiencing UTI symptoms. Can I take amoxicillin with this?

I am on my 4th day of azithromycin. I am now experiencing UTI symptoms. Can I take amoxicillin with this?

Don't take amox: You definitely should not self-treat with amoxicillin. First, amoxicillin isn't usually a good drug for UTI. Second, it may not be UTI; azithromycin maybe triggered a yeast infection, which amox could worsen. Third, depending on why azithro was prescribed, e.g. for chlamydia or other STD, maybe that's the cause of the apparent UTI symptoms. Contact your doctor and take it from there. Good luck! ...Read more

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Was on 10 days amoxicillin, now received 3 days azithromycin for my sinus infection. Have not started azithromycin yet, becaus i feel better now, should I take it or will my infection go away on own?

Was on 10 days amoxicillin, now received 3 days azithromycin for my sinus infection. Have not started azithromycin yet, becaus i feel better now, should I take  it or will my infection go away on own?

Allergies: Not one in one hundred "sinus infections" is an infection! They are reactions to things in the environment pollens, air pollution and respond to gargle,antihistamines, Nettie Pot, Nasonex (mometasone) or injections and oral steroids or to nothing. ...Read more

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Can i switch augmentin (amoxicillin and clavulanate) after 3 days to azithromycin ?

Can i switch augmentin (amoxicillin and clavulanate) after 3 days to azithromycin ?

Only if doc rx's: One should not change antibiotics unless specifically directed to do so by their physician. This can lead to drug resistant bacteria. ...Read more

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Is Cipro (ciprofloxacin) penicillin-based? Many in my safari group took it but I was given azithromycin. Is it because I'm allergic to Amoxicillin?

Is Cipro (ciprofloxacin) penicillin-based? Many in my safari group took it but I was given azithromycin. Is it because I'm allergic to Amoxicillin?

No: Ciprofloxacin (Cipro) is a 5-fluoroquinolone antibiotic.
Azithromycin is a macrolide antibiotic.
Amoxicilin, as you already know, is a penicillin antibiotic.

These are three different classes of antibiotic. Penicillin/amoxicillin allergy is unlikely to have been the reason for receiving azithromycin in place of ciprofloxacin (Cipro). ...Read more

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Is amoxicillin or azithromycin better at treating a vaginal bacterial infection?

Is  amoxicillin or azithromycin better at treating a vaginal bacterial infection?

Neither: Usually a vaginal infection (bacterial vaginosis - bv) is better treated with an antibiotic with anaerobic coverage (common vaginal bacteria). Flagyl (metronidazole) or Clindamycin in pill or vaginal cream form works better. Azithromycin is more commonly used to treat chlamydia. Amoxicillin is better for streptococcus or gram positive bacteria. I hope that helps. Take care. ...Read more

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. I had severe anaphylactic reaction to amoxicillin and cefalaxcin. Not allergic to azithromycin , cefixime ,ofloxcin n ciplofloxacin. I have fear nw?

Excercise caution: avoid medicines you are allergic to, print a card with your drug allergies, keep it in your wallet, inform every doctor/dentist you encounter of your drug allergies to write this information in your chart,,take the first dose of any new antibiotic prescribed in the doctor's office and wait for an hour, if no reraction leave,keep epinephrine handy when starting a new antibiotic,u will be safe ...Read more

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Amoxicillin done for sinus infect, now azithromycin, day 20 of sinus infect. Not completely heal, y is it not and could it b something other then sinus infect. I am 23 wks pregnant too. No allergies.

Amoxicillin done for sinus infect, now azithromycin, day 20 of sinus infect. Not completely heal, y is it not and could it b something other then sinus infect. I am 23 wks pregnant too. No allergies.

Remainder may be: What is left may be viral and will not be helped with antibiotics.
If you do not continue to improve, or is new symptoms, the you need to be re-evaluated. ...Read more

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My work is in hospital 24/7, had cough for a month, the doctor give amoxicillin 1st but no relief then with azithromycin, no relief but w/ clear xray.

My work is in hospital 24/7, had cough for a month, the doctor give amoxicillin 1st but no relief then with azithromycin, no relief but w/ clear xray.

Multiple causes: If your x-ray is normal but it's unlikely to be a serious infection in the lungs. However it could be asthma or other inflammation of the airways. It could also be postnasal drip or silent acid reflux. ...Read more

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Same dosage as adult of azithromycin in pneumonia for a 6 year old weight 25 kg and also add 375 mg augmentin (amoxicillin and clavulanate) 3x1 ? is there a risk of over dosage?

Same dosage as adult of azithromycin in pneumonia for a 6 year old weight 25 kg and also add 375 mg augmentin (amoxicillin and clavulanate) 3x1 ? is there a risk of over dosage?

Dose based on weight: In pediatrics, med dosing is usually based on weight. For a simple pneumonia, the Azithromycin dose for 25 kg child would be half the adult dose: 250 mg for 1 day, then by 125 mg daily for 4 more days. Augmentin (amoxicillin and clavulanate) dosing would also depend on weight and the specific illness being treated. Those 2 medications act differently and don't interact--as long as each dose is appropriate, you should be ok. ...Read more

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Can I use same dosage of azithromycin in pneumonia for a 6 year old weight 25 kg and also add 375 mg augmentin (amoxicillin and clavulanate) 3x1 ? is there a risk of over dosage?

Can I use same dosage of azithromycin in pneumonia for a 6 year old weight 25 kg and also add 375 mg augmentin (amoxicillin and clavulanate) 3x1 ? is there a risk of over dosage?

OD on antibiotics: There have been recent reports to suggest that for community acquired pneumonia, a single primary line of antibiotics such as Amoxicillin is sufficient. Azithromycin, preferred for its shorter duration has limited efficacy. Adding Augmentin, (amoxicillin and clavulanate) which has another chemical added to Amoxicillin, to another antibiotic is thus not generally advised, unless your doctor determines resistance or other causes ...Read more

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I have given my son two antibiotics , Augmentin (amoxicillin and clavulanate) 7.5mls, and after 5hrs I gave azithromycin 5mls..4yrs with severe Tonsilitis how dangerous is this?

Tonsillitis: Why did your pediatrician prescribe two antibiotics? This is not typical or advised. Do not over does the child. Call your doctor and clarify this. For typical strep or staph tonsillitis, 7-10 days of Augmentin (amoxicillin and clavulanate) every 12 to 8 hrs depending on the dose is enough. I don't see any benefit to adding Zithromax. Over use of antibiotics is harmful in the short and long run. ...Read more

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STI tests negative. What else could cause PID? Would amoxicillin, 1g azithromycin and Metronidazole be effective?

STI tests negative. What else could cause PID? Would amoxicillin, 1g azithromycin and Metronidazole be effective?

Any bacteria will do: It doesn't have to be a sexually transmitted bacteria to cause PID as any bacteria that is not indigenous to the vagina that migrates into the Fallopian tubes can cause a Salpingitis (Tubal infection) aka PID. This most often occurs during intercourse, but even tuberculosis can infect the Fallopian tubes and cause PID. Once the organism is cultured the correct antibiotic(s) can be given. ...Read more

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I took amoxicillin at 6 am today (left over from previous perception). Is it OK to start a Z pak (azithromycin) in the same day.I have strep throat?

I took  amoxicillin at 6 am today (left over from previous perception). Is it OK to start a Z pak (azithromycin) in the same day.I have strep throat?

OK: But a Zpack won't treat a strep throat. The dose is not the recommended dose and it should be a 7 day course reserved for patients allergic to Penicillin. The preferred drug is a Penicillin drug if you have no allergies and the proper dose and time frame. All the best. ...Read more

Amoxicillin (Definition)

Amoxicillin is in the penicillin class of antibiotics. All penicillins are distinguished by the presence of a beta-lactam ring, and are known to kill bacteria by inhibiting synthesis (production) ...Read more


Dr. Philip Miller
1,144 doctors shared insights

Amoxil (Definition)

Amoxil is a third generation penicillin which is a kind of penincillin type drug (anti-bacterial ...Read more