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Omicef vs. Amoxicillin

Are Omicef and Amoxicillin the Same Thing?

Omnicef (cefdinir) and amoxicillin are antibiotics used to treat many different types of infections caused by bacteria.

These drugs belong to different drug classes. Omnicef is a cephalosporin antibiotic and amoxicillin is a penicillin-type antibiotic.

The brand name Omnicef is discontinued in the U.S. Omnicef is available as generic cefdinir. Brand names for amoxicillin include Amoxil and Moxatag.

What Are Possible Side Effects of Omicef?

Common side effects of Omicef include:

Tell your doctor if you experience serious side effects of Omnicef including watery or bloody diarrhea, chest pain, fever, chills, body aches, flu symptoms, unusual bleeding, seizures (convulsions), pale or yellowed skin, dark colored urine, 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 Are Possible Side Effects of Amoxicillin?

Common side effects of Amoxicillin include:

  • nausea
  • vomiting
  • diarrhea
  • stomach pain
  • vaginal itching or discharge
  • headache
  • rash, and
  • swollen, black, or "hairy" tongue.

Other serious side effects include:

What is Omicef?

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 is Amoxicillin?

Amoxicillin is a penicillin-type antibiotic used to treat infections caused by bacteria that are B-lactamase negative (B-lactamase positive bacteria are usually resistant to amoxicillin); these infections usually occur in the skin, lungs, urinary tract and eye, ears, nose, and throat. Amoxil is available as a generic drug termed amoxicillin. Amoxil may be combined with other drugs (for example, clavulanic acid [Augmentin]), to make the antibiotic more effective.

SLIDESHOW

Fungal Skin Infections: Types, Symptoms, and Treatments See Slideshow

What Drugs Interact With Omicef?

Omnicef may interact with probenecid and antacids. Omnicef may also interact with vitamin or mineral supplements that contain iron.

What Drugs Interact With Amoxicillin?

Amoxicillin may interact with other antibiotics or sulfa drugs.

How Should Omicef 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.

How Should Amoxicillin Be Taken?

Amoxicillin is available in many preparations (capsules, tablets, chewable tablets, powder for oral suspension and pediatric oral suspension). Serious reactions of Amoxil include anaphylactic reactions that can be life-threatening; patients allergic to penicillins should not be given Amoxil. Amoxil may interact with probenecid, blood thinners, other antibiotics, or sulfa drugs. Tell your doctor all medications and supplements you use. Treatment in pregnant women and women who are breastfeeding should be done with caution.

QUESTION

Bowel regularity means a bowel movement every day. See Answer
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You may also report negative side effects of prescription drugs to the FDA by visiting the FDA MedWatch website or calling 1-800-FDA-1088.

References

Rxlist. Omnicef Side Effects Drug Center.
https://www.rxlist.com/omnicef-side-effects-drug-center.htm
Rxlist. Amoxicillin Side Effects Drugs Center.
https://www.rxlist.com/amoxicillin-side-effects-drug-center.htm

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