Compare Keflex vs. Finacea

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

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Keflex (cephalexin)

Prescription only

Finacea (azelaic acid)

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 rosacea.

Finacea (azelaic acid) helps treat raised spots and pimple-like bumps that come from rosacea, but only provides slight redness improvement. Talk to your doctor if you are concerned about the redness from rosacea.

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.
  • Comes in both a gel and foam formulation.
  • Studies show Finacea (azelaic acid) is effective at reducing raised spots and pimple-like bumps in mild to moderate rosacea.
  • Is as effective as alternative medicines.
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.
  • Only available as a prescription.
  • More expensive than alternative medicines. A generic option is not available. Your doctor may have you try a less expensive alternative medicine first.
  • May not be the best option if you are looking to improve redness from rosacea.
  • Causes more skin irritation than alternative medicines. Speak to your doctor if you already have very sensitive skin. An alternative medicine may be better for you.
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Used for
Dosage forms
  • Pill
  • Liquid
  • Gel, foam
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.
4possible side effects
  • Burning/Stinging/Tingling
    28%
  • Itching
    11%
  • Scaling/Dry skin/Very dry skin
    8%
  • Redness/Irritation
    3%
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
  • Allergic reactions
  • Loss of skin color
  • Skin irritation
  • Worsening of asthma
  • Eye and mouth irritation
See more detailed risks and warnings