Compare Keflex vs. Avelox

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

ADVERTISEMENT

Keflex (cephalexin)

Prescription only

Avelox (moxifloxacin)

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.

Avelox (moxifloxacin) effectively treats different types of bacterial infections, but is more expensive than its alternatives.

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.
  • Available as a generic medicine.
  • Treats a variety of bacterial infections.
  • Can be taken with or without food.
  • Might be a good treatment option for people with kidney problems.
  • Needs to be taken only once a day.
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.
  • People with diabetes need to check their blood sugar levels regularly while taking Avelox (moxifloxacin).
  • Cannot be taken at the same time as antacids or vitamins.
  • Avelox (moxifloxacin) can increase your skin's sensitivity to sunlight and make you more likely to get a rash.
  • Relatively more expensive compared to similar alternatives.
ADVERTISEMENT
Used for
Dosage forms
  • Pill
  • Liquid
  • Pill
Price
Lowest price
$9.80
Find instant savings near you
Lowest price
$15.25
Find instant savings near you
Want to save even more money?
Sign up now for a 30-day trial and save up to 95% at CVS, Kroger, Albertsons, and other pharmacies.
Learn more
Reviews
686 reviews so far
64%
saidit'sworth it
48%
saiditworked well
14%
saidit'sa big hassle

Have you used Keflex (cephalexin)?

Leave a review
Not enough review data.Leave a review
Side effects
The Keflex (cephalexin) FDA package insert doesn’t have numbers about how common side effects are.
8possible side effects
  • Nausea
    7%
  • Diarrhea
    6%
  • Headache
    4%
  • Dizziness
    3%
  • Vomiting
    2%
  • Constipation
    2%
  • Stomach pain
    2%
  • Insomnia
    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
  • Tendon rupture and inflammation
    • People over age 60
    • Taking steroid medicine
    • Those with kidney, heart, or lung transplants
  • Myasthenia gravis
    • Those with a history of myasthenia gravis
  • Diarrhea
  • Nerve damage
  • Changes in mood and behavior
  • Effects on heartbeat
    • Those with a history of heart rhythm problems
    • Taking other medicines that also affect your heart rhythm
    • Those with liver problems
See more detailed risks and warnings
Learn more about Keflex (cephalexin)
Learn more about Avelox (moxifloxacin)