Compare Keflex vs. Cedax

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

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Keflex (cephalexin)

Prescription only

Cedax (ceftibuten)

Prescription only
Treats bacterial infections.

Keflex (cephalexin) is good for treating many bacterial infections, and is available as a generic.

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3.7/ 5 average rating with 686 reviewsforKeflex
Treats bacterial infections.

Cedax (ceftibuten) is good for treating many bacterial infections, but be sure to finish the full course of treatment.

Upsides
  • Available in generic.
  • Available in different forms: tablet, capsule, and suspension.
  • Used to treat many types of bacterial infections.
  • Can be taken with or without food.
  • Generally few side effects compared with other antibiotics.
  • Used to treat many types of bacterial infections.
  • Available as a pill or liquid suspension.
  • People usually have few side effects when taking it.
  • Cedax (ceftibuten) is available as a generic.
Downsides
  • Can cause diarrhea.
  • You may need to take Keflex (cephalexin) 2 to 4 times a day, which can be hard to remember.
  • If you're allergic to penicillins or other antibiotics, you might not be able to take this medicine.
  • Cedax (ceftibuten) can cause diarrhea, nausea, vomiting, and headache.
  • If you're on blood thinners, let your doctor know. Cedax (ceftibuten) can interact with your medicines and make you more likely to bleed.
  • If you're taking the liquid suspension and you have diabetes, you will need to watch your blood sugar closely. You must take it 2 hours before or 1 hour after a meal.
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Used for
Dosage forms
  • Pill
  • Liquid
  • Pill
  • Liquid
Price
Lowest price
$4.84
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Lowest price
$130.18
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Reviews
686 reviews so far
64%
saidit'sworth it
48%
saiditworked well
14%
saidit'sa big hassle

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Side effects
The Keflex (cephalexin) FDA package insert doesn’t have numbers about how common side effects are.
9possible side effects
  • Nausea
    4%
  • Abnormal changes in kidney function
    4%
  • Diarrhea
    4%
  • Headache
    3%
  • Abrnormal changes in laboratory blood test
    3%
  • Upset stomach
    2%
  • Vomiting
    2%
  • Abdominal pain
    2%
  • Loose stools
    2%
See more detailed side effects
Risks and risk factors
  • Diarrhea
  • New infections while taking Keflex (cephalexin)
    • Weakened immune system
    • Not taking Keflex (cephalexin) correctly
  • Allergic reaction
    • History of penicillin or cephalosporin allergies
See more detailed risks and warnings
  • Kidney problems
    • Kidney problems
    • Kidney disease
    • Hemodialysis
  • Allergic reaction
    • History of penicillin allergy
    • History of cephalosporin allergy
  • New infection
    • Taking Cedax (ceftibuten) for a long time
  • Diarrhea
See more detailed risks and warnings
Learn more about Keflex (cephalexin)
Learn more about Cedax (ceftibuten)