Compare Keflex vs. Cedax

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

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.

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.
Used for
Dosage forms
  • Pill
  • Liquid
  • Pill
  • Liquid
Price
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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