Published: June 5, 2024

Keflex (Cephalexin): Dosage, Side Effects, and Cost Without Insurance

Written by QuickMD Publications Team

1 minute

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Keflex is an antibiotic used to treat various bacterial infections, including pneumonia, respiratory infections, and infections of the bones, skin, ears, reproductive organs, and urinary tract. It belongs to the cephalosporin class of drugs, which work by interfering with the formation of bacterial cell walls.

Keflex is ineffective against viral infections and should not be used for conditions other than susceptible bacterial infections. Overuse of Keflex or any other antibiotic can lead to antibiotic resistance.

Dosage

  • Keflex is available in capsule form for oral consumption.
  • The usual dose is 250mg every 6 hours or 500mg every 12 hours.

Common Side Effects

  • Diarrhea
  • Dizziness
  • Fatigue
  • Headache
  • Upset stomach
  • Abdominal pain
  • Joint pain
  • Vaginal discharge or itch
  • Nausea and vomiting
  • Itchiness
  • Swelling
  • Rash

Cost of Keflex

The price of cephalexin (generic Keflex) ranges from $4.00 to $17.00 for 28 capsules, strength 500mg, with a coupon. Click here to find the closest pharmacy near you and download a coupon.

How to Obtain a Prescription

Cephalexin (Keflex) is a prescription medication that must be prescribed by a physician or other licensed prescriber. Did you know? QuickMD can treat many infections remotely through telemedicine and prescribe Keflex online.

Disclaimer

Articles on this website are meant for educational purposes only and are not intended to replace professional medical advice, diagnosis or treatment. Do not delay care because of the content on this site. If you think you are experiencing a medical emergency, please call your doctor immediately or call 911 (if within the United States). This blog and its content are the intellectual property of QuickMD LLC and may not be copied or used without permission.

QuickMD has strict referencing policies and relies on reputable sources, including peer-reviewed research, clinical guidelines, medical organizations, and government and public health agencies, among others. Learn more about how we ensure accuracy in our content by reading our editorial guidelines.

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