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Pharmacy Editor: Eni Williams, PharmD
Keflex (cephalexin) is a medication that belongs to a drug class, cephalosporin antibiotics. It is available as a generic drug and is prescribed to treat bacterial infections. It is also used before dental procedures in patients identified with certain heart-related conditions to prevent bacterial infections of the heart known as endocarditis. Common side effects include: diarrhea, dizziness, headache, stomach upset, abdominal pain, nausea/vomiting, itching/swelling and rash.
Keflex dosage depends on the condition being treated. Keflex should be used with caution in patients who have kidney disease and those who report a history of penicillin allergy. There have not been adequate studies in pregnant women, so Keflex should be used in pregnancy only when it is absolutely needed. Keflex is found in breast milk and should be used with caution in breastfeeding women.
Our Keflex (cephalexin) Drug Center provides a comprehensive view of available drug information as well as related drugs, user reviews, supplements and diseases and conditions.
What is Prescribing information?
The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.
Keflex (cephalexin) is indicated for the treatment of the following infections when caused by susceptible strains of the designated microorganisms:
Respiratory tract infections caused by Streptococcus pneumoniae and Streptococcus pyogenes (Penicillin is the usual drug of choice in the treatment and prevention of streptococcal infections, including the prophylaxis of rheumatic fever. Keflex (cephalexin) is generally effective in the eradication of streptococci from the nasopharynx; however, substantial data establishing the efficacy of Keflex (cephal...
Read the complete drug monograph for Keflex »
Drug Description - Indications & Dosage - Side Effects & Drug Interactions - Warnings & Precautions - Contraindications - Medication Guide and More
What is Patient information?
Easy-to-read and understand detailed drug information and pill images for the patient or caregiver from Cerner Multum.
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have any of these serious side effects:
Read the complete patient information for Keflex »
Possible Side Effects - Images - What Is - How Should I Take It - What If I Miss a Dose - What Should I Avoid and More
What is Consumer information?
A concise overview of the drug for the patient or caregiver from First DataBank.
This medication will not work for viral infections (such as common cold, flu). Unnecessary use or misuse of any antibiotic can lead to its decreased effectiveness.
OTHER USES: This section contains uses of this drug that are not listed in the approved professional labeling for the drug but that may be prescribed by your health care professional. Use this drug for a condition ...
Read the complete consumer information for Keflex »
Warnings - Uses - How to Use - Side Effects - Precautions - Drug Interactions and More
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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