Compare Keflex vs. Monurol

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

ADVERTISEMENT

Keflex (cephalexin)

Prescription only

Monurol (fosfomycin)

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 urinary tract infections.

Monurol (fosfomycin) is a good antibiotic for treating urinary tract infections.

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.
  • Monurol (fosfomycin) is good at treating the most common causes of urinary tract infections in women.
  • You only need to take 1 dose of this medicine for treatment of your urinary tract infection.
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.
  • Although rare, Monurol (fosfomycin) can cause a severe allergic reaction in some people.
  • If you are breastfeeding, you might not be able to take this medicine.
  • It comes in a powder that needs to be mixed with water before taking by mouth.
ADVERTISEMENT
Used for
Dosage forms
  • Pill
  • Liquid
  • Powder for solution
Price
Lowest price
$10.15
Find instant savings near you
Lowest price
$93.26
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.
10possible side effects
  • Diarrhea
    10%
  • Headache
    10%
  • Vaginal itching, pain, or discharge
    8%
  • Nausea
    5%
  • Stuffy and runny nose
    5%
  • Back pain
    3%
  • Painful menstruation
    3%
  • Sore throat
    3%
  • Dizziness
    2%
  • Feeling weak and without energy
    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
  • Diarrhea
See more detailed risks and warnings
Learn more about Keflex (cephalexin)
Learn more about Monurol (fosfomycin)