Zithromax vs. Omnicef

Are Omnicef and Zithromax the Same Thing?

ZithromaxZ-PAK (azithromycin) andOmnicef(cefdinir) are antibiotics used to treatbacterialinfections.

Zithromax and Omnicef belong to different drug classes. Zithromax is amacrolideantibioticand Omnicef is a cephalosporin antibiotic.

The brand name Omnicef is discontinuedinthe U.S. Omnicef is available asgenericcefdinir.

What Are Possible Side Effects of Zithromax?

Commonside effectsof Zithromax include:

What Are Possible Side Effects of Omnicef?

Common side effects of Omnicef include:

  • diarrhea,
  • nausea,
  • vomiting,
  • stomachpain,
  • indigestion,
  • headache,
  • dizziness,
  • diaper rashin aninfanttaking liquid cefdinir,
  • itching,
  • skin rash, or
  • vaginal itching or
  • discharge.

Tell yourdoctorif you experience serious side effects of Omnicef including watery or bloody diarrhea,chest pain,fever,chills, body aches,flusymptoms, unusual bleeding, seizures (convulsions), pale or yellowed skin, dark coloredurine, fever, confusion or weakness,jaundice(yellowing of the skin or eyes); fever,sore throat, and headache with a severe blistering, peeling, and red skin rash; increased thirst, loss of appetite, swelling, weight gain, feeling short of breath, or urinating less than usual or not at all.

What is Zithromax?

Zithromax Z-PAK (azithromycin) is a semi-synthetic macrolide antibiotic used for treating:

Zithromax is also effective against several sexually transmitted infectious diseases (STDs) such as nongonococcalurethritisandcervicitis. Zithromax is available in generic form.

What is Omnicef?

Omnicef (cefdinir) is a cephalosporin antibiotic used to treat many different types of infections caused by bacteria. The brand name Omnicef is discontinued in the U.S. Omnicef is available in generic form.

What Drugs Interact With Zithromax?

Zithromax may interact withbloodthinners,cyclosporine, other antibiotics,theophylline,cholesterol-lowering medicines,heartmedications,HIVmedicines, sedatives orseizuremedicines.

Zithromax may also interact witharsenictrioxide, pimozide, tacrolimus,antidepressants, anti-malariamedications,ergotmedicines,blood pressuremedications, medicine to prevent or treat nausea and vomiting, medicines to treatpsychiatricdisorders,migraine headachemedicines, narcotics, or tranquilizers.

What Drugs Interact With Omnicef?

Omnicef may interact with blood thinners, antibiotics, antidepressants,anti-malaria medications, medicine to prevent or treat nausea and vomiting, medicines to treat psychiatric disorders,migraineheadache medicines, nonsteroidal anti-inflammatory drugs (NSAIDs), steroids, or narcotics.

Omnicef may also interact withantacidsthat containmagnesiumoraluminum,sucralfate, didanosine, vitamin or mineral supplements that containironorzinc,insulinororaldiabetesmedications, or theophylline.

How Should Zithromax Be Taken?

A typical oral dose of Zithromax consists of 500mgfor 1 day then 250 mg for 4 days. A typicalintravenousdose consists of 500 mg for 2 days followed by 500 mg orally daily for an additional 5-8 days.

How Should Omnicef Be Taken?

The recommended dosage of cefdinir for infections in adults and adolescents ranges from 300 mg to 600 mg, taken either once or twice daily. Duration of treatment ranges from 5 to 10 days.

Disclaimer

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The drug comparisons information provided does not cover every potential use, warning, drug interaction, side effect, or adverse or allergic reaction. RxList.com assumes no responsibility for any healthcare administered to a person based on the information found on this site.

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References
RxList. Zithromax Medication Guide.

http://labeling.pfizer.com/ShowLabeling.aspx?id=511

RxList. Omnicef Product Monograph.

https://www.accessdata.fda.gov/drugsatfda_docs/label/2008/050739s015,050749s021lbl.pdf

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