Ancef

(cefazolin)

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Treats bacterial infections.

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Our bottom line

Ancef (cefazolin) is only available as an injectable, so it is usually only used in the hospital. It's good for treating many bacterial infections.

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Quick facts about cefazolin
  • Drug class: Infection
  • Rx status: Prescription only
  • Generic status: Lower-cost generic available (cefazolin)

Upsides

  • Ancef (cefazolin) is available as a generic.
  • It is good at treating many types of bacterial infections.
  • People usually have few side effects when taking it.
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What to expect from cefazolin, on one page

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Downsides

  • Ancef (cefazolin) is only available as an injectable, and is usually only given in the hospital.
  • If you're taking it at home, a nurse might have to do the injections for you and also do blood tests.
  • If you're taking warfarin, you might have to change your dose while you're taking Ancef (cefazolin).
  • Like all antibacterials, it can cause diarrhea.
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What to expect from cefazolin, on one page

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How it works

Ancef (cefazolin) is an antibacterial. It kills bacteria by preventing them from making their own protective covering.

Quick facts about cefazolin
  • Drug class: Infection
  • Rx status: Prescription only
  • Generic status: Lower-cost generic available (cefazolin)

Used for

Dosage forms

  • Injection
Tried cefazolin? Write a review!

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What to expect when you take Ancef (cefazolin) for Bacterial infection

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  • First few hoursHours
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  • Effectiveness
  • Starts to kick in
    Full effects
  • First few hoursHours
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  • Possible side effects
  • Allergic reaction
  • Diarrhea
  • Severe diarrhea (C. difficile)
  • Seizure
  • Higher risk of bleeding
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Side effect rates for Ancef (cefazolin)

Risks and Warnings for Ancef (cefazolin)

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    • Higher risk if:
    • › Allergy to antibiotics

    Although rare, Ancef (cefazolin) can cause a severe and life-threatening allergic reaction. Let your doctor know of any allergies to antibiotics. If you get a rash, itchy skin, hives, difficulty breathing, or swelling of your face or mouth while taking Ancef (cefazolin), talk to your doctor or go to the emergency room right away.