Information about Cefalexin

    Cefalexin uses

    Cefalexin is used in the treatment of bacterial infections.

    How cefalexin works

    Cefalexin is an antibiotic. It kills the bacteria by attacking their cell wall. Specifically, it prevents the synthesis of a substance in the cell wall called peptidoglycan, which provides the cell wall with the strength required for survival of bacteria in human body.

    Common side effects of cefalexin

    Nausea, Diarrhoea, Allergic reaction

    Available Medicine for Cefalexin

    • ₹34 to ₹148
      Sun Pharmaceutical Industries Ltd
      13 variant(s)
    • ₹64 to ₹148
      Glaxo SmithKline Pharmaceuticals Ltd
      8 variant(s)
    • ₹167 to ₹291
      Sun Pharmaceutical Industries Ltd
      2 variant(s)
    • ₹168 to ₹292
      Glaxo SmithKline Pharmaceuticals Ltd
      2 variant(s)
    • ₹34 to ₹180
      Lupin Ltd
      7 variant(s)
    • ₹120
      Lupin Ltd
      1 variant(s)
    • ₹13 to ₹44
      Alkem Laboratories Ltd
      5 variant(s)
    • ₹18 to ₹132
      Cipla Ltd
      6 variant(s)
    • ₹23 to ₹120
      Biochem Pharmaceutical Industries
      3 variant(s)
    • ₹35 to ₹100
      Apex Laboratories Pvt Ltd
      3 variant(s)

    Expert advice for Cefalexin

    • Always take the complete course of treatment, as advised by your doctor even if you feel better.
    • Never take an antibiotic for a viral infection like a cold or the flu.
    • Can lead to nausea and diarrhoea frequently. If this becomes severe or persistent or you notice that your stool contains blood or mucus you should stop taking Cefalexin immediately and consult your doctor.
    • Inform your doctor if you develop a rash or other unexpected symptoms.
    • Inform your doctor if there is the previous history of drug allergy.
    • Inform your doctor if you have ever been diagnosed with kidney or liver problems.

    Frequently asked questions for Cefalexin


    Q. Does cephalexin contain sulfa or penicillin?
    Cephalexin does not contain sulfa and is not penicillin. It is a cephalosporin antibiotic
    Q. Is cephalexin the same as Keflex, Sporanox, or amoxicillin?
    Keflex is a brand name for cephalexin, but Sporanox and amoxicillin are other drugs
    Q. Is cephalexin safe?
    Cephalexin is safe if used at prescribed doses for the prescribed duration as advised by your doctor
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    Q. Can I take cephalexin with Nyquil (acetaminophen, dextromethorphan, doxylamine, and pseudoephedrine), Tylenol (paracetamol), Dayquil (Phenylephrine, acetaminophen, dextromethorphan), Benadryl (diphenhydramine), Tamiflu (oseltamivir phosphate), or Advil (ibuprofen)?
    Yes, you may take cephalexin with Nyquil, Tylenol, Dayquil, Benadryl, Tamiflu, or Advil. Please consult your doctor before use
    Q. Can I take cephalexin with citalopram, or vitamins?
    Yes, you can take cephalexin with citalopram, or vitamins
    Q. Can I take cephalexin for a cold?
    Cephalexin treats infections caused by bacteria. It does not treat a viral infection such as the common cold or flu
    Q. Does cephalexin treat sexually transmitted diseases (STDs), methicillin-resistant staphylococcus aureus (MRSA), staph infections or bacterial vaginosis (BV)?
    Cephalexin is not approved to treat STDs and is not active against MRSA. It may be used against staph infections, but is not very effective against bacterial vaginosis.

    Content on this page was last updated on 06 September, 2017, by Dr. Varun Gupta (MD Pharmacology)