Compare Vantin vs. Omnicef

Head-to-head comparisons of medication uses, side effects, ratings, and more.

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Vantin (cefpodoxime)

Prescription only

Omnicef (cefdinir)

Prescription only
Treats bacterial infections.

Vantin (cefpodoxime) is good for treating many bacterial infections and it works best if you take the full course without stopping.

Treats bacterial infections.

Omnicef (cefdinir) is good for treating many common bacterial infections.

Upsides
  • Used to treat many types of bacterial infections.
  • Available in two different forms: tablet and liquid suspension.
  • People usually have few side effects when taking it.
  • Vantin (cefpodoxime) is available as a generic.
  • The suspension may be taken with or without food.
  • Available as a generic, so it shouldn't be too expensive.
  • It is good at killing the most common bacteria.
  • Available in both pill and liquid forms.
Downsides
  • If you're on blood thinners, let your doctor know. Vantin (cefpodoxime) can interact with your medications and make you more likely to bleed.
  • You can't take antacids within 2 hours of this drug.
  • Vantin (cefpodoxime) can affect certain lab tests, let all your healthcare providers know that you're taking Vantin (cefpodoxime).
  • Antacids and iron prevent Omnicef (cefdinir) from getting absorbed, so you'll need to separate any supplements from Omnicef (cefdinir) by at least 2 hours.
  • If you're taking iron with Omnicef (cefdinir), it can turn your stool red, which is normal but can be alarming.
  • Can cause diarrhea, nausea, vomiting, or headache.
  • The suspension has some sugar in it, which could raise your blood sugar. Talk to your doctor if you have diabetes.
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Used for
Dosage forms
  • Pill
  • Liquid
  • Pill
  • Liquid
Price
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Reviews
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Side effects
5possible side effects
  • Diarrhea
    7%
  • Nausea
    3%
  • Diaper rash/fungal skin rash
    2%
  • Other skin rashes
    2%
  • Vomiting
    2%
See more detailed side effects
4possible side effects
  • Diarrhea
    15%
  • Vaginal yeast infection
    4%
  • Nausea
    3%
  • Headache
    2%
See more detailed side effects
Risks and risk factors
  • Diarrhea
  • Allergic reaction
    • Allergy to antibiotics
  • New infection
    • Taking Vantin (cefpodoxime) for a long time
  • Kidney problems
    • Kidney problems
    • Kidney disease
    • Hemodialysis
See more detailed risks and warnings
  • Diarrhea
    • Taking Omnicef (cefdinir) for a long time
  • Allergic reaction
    • History of penicillin allergy
  • Drug interactions
    • Taking antacids or iron supplements
See more detailed risks and warnings