Compare Keflex vs. Augmentin
Head-to-head comparisons of medication uses, side effects, ratings, and more.
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.
Augmentin (amoxicillin / clavulanate) is first-choice antibiotic for most common types of infections. However, it may not work against more serious or uncommon types of infections.
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3.9/ 5 average rating with 1034 reviewsforAugmentin
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 generic product.
- Available in tablet, capsule, and liquid forms.
- Used to treat most common types of bacterial infections.
- Side effects are generally not too bad compared to other antibiotics.
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.
- Many bacteria have developed resistance to this antibiotic.
- Can cause diarrhea, nausea, and vomiting.
- Birth control pills may not work as well to prevent pregnancy when taking this medication.
Used for
- Bone infection
- Urinary tract infection
- Ear infection
- Respiratory tract infection
- Skin infection
- Community-acquired pneumonia
- Prevention of endocarditis
- Prevention of infection in people with prosthetic joint implants undergoing dental procedure
- Prosthetic joint infection
- Surgical site infection
- Inner ear infection
- Sinusitis
- Lower respiratory tract infection
- Community-acquired pneumonia
- Skin and soft tissue infection
- Urinary tract infection
- Bite wounds
- Fever associated with low blood counts
- Strep throat
- Impetigo
- Melioidosis
- Prosthetic joint infection
Dosage forms
- Pill
- Liquid
- Pill
- Chewable tablet
- Extended release
- Liquid
Price
Lowest price
$11.54
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$42.13
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Reviews
686 reviews so far
64%
saidit'sworth it
48%
saiditworked well
14%
saidit'sa big hassle
Have you used Keflex (cephalexin)?
Leave a review1034 reviews so far
68%
saidit'sworth it
52%
saiditworked well
13%
saidit'sa big hassle
Have you used Augmentin (amoxicillin / clavulanate)?
Leave a reviewSide effects
The Keflex (cephalexin) FDA package insert doesn’t have numbers about how common side effects are.
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
- Serious allergic reaction
- History of penicillin allergy
- History of multiple allergies
- Liver damage
- Existing liver problems
- Taking other medicines that harm the liver
- Superinfection
- Taking Augmentin (amoxicillin / clavulanate) for a long time
- Older age
- Taking immunosuppressant medicines
- Rash
- Mononucleosis