Generic Name: Cefazolin

  • What is Cefazolin?

    Cefazolin is an antibiotic used to treat certain bacterial infections of the respiratory (lung), urinary, or genital tracts; and skin, bone, joint, blood, or heart infections. It is also used before, during, and after surgery to prevent infections. It may also be used to treat other bacterial infections, as determined by your doctor. This medicine can be administered intravenously (through a vein in your arm) or intramuscularly (into the muscle).

  • What is the most important information I should know about Cefazolin?

    Do not use cefazolin if you are allergic to it, any of its ingredients, or similar antibiotics (such as cefaclor or cefotetan). If you are allergic to penicillin antibiotics, it is possible for you to have an allergic reaction to this medication. Tell your doctor immediately if you receive cefazolin and feel signs of an allergic reaction (such as a rash, swelling, or difficulty breathing).

    Cefazolin can cause diarrhea or colitis (inflammation of the colon). This can occur a couple of months after receiving the last dose of cefazolin. Tell your doctor immediately if you have diarrhea or colitis.

    Cefazolin can cause seizures when it is given at a high dose. Cefazolin can also cause bleeding problems. Stop using cefazolin if you notice any types of bleeding. These problems are more commonly seen when people with kidney problems use cefazolin.

  • Who should not take Cefazolin?

    Do not receive cefazolin if you are allergic to it, any of its ingredients, or similiar antibiotics.

    Do not receive cefazolin to treat viral infections, such as the common cold.

  • What should I tell my doctor before I take the first dose of Cefazolin?

    Tell your doctor about all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with cefazolin. Also, talk to your doctor about your complete medical history, especially if you have allergies, kidney disease, or liver problems.

  • What is the usual dosage?

    The information below is based on the dosage guidelines your doctor uses. Depending on your condition and medical history, your doctor may prescribe a different regimen. Do not change the dosage or stop taking your medication without your doctor's approval.

    Adults: Your doctor will prescribe the appropriate dose for you based on your condition.

    If you have kidney impairment, your doctor will adjust your dose appropriately.

    Children >1 month: Your doctor will prescribe the appropriate dose for your child, based on their body weight.

  • How should I take Cefazolin?

    Your doctor will administer cefazolin intravenously or intramuscularly for you.

  • What should I avoid while taking Cefazolin?

    Do not miss your scheduled follow-up appointments with your doctor.

  • What are possible food and drug interactions associated with Cefazolin?

    If cefazolin is taken with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to check with your doctor before combining cefazolin with probenecid.

  • What are the possible side effects of Cefazolin?

    Side effects cannot be anticipated. If any develop or change in intensity, tell your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking this drug.

    Side effects may include: allergic reactions, colitis, diarrhea, injection-site reactions, itching, kidney or liver problems, nausea, oral thrush (a fungal infection in the mouth, throat, and tongue), rash, stomach cramps, swelling, vomiting

  • Can I receive Cefazolin if I am pregnant or breastfeeding?

    The effects of cefazolin during pregnancy and breastfeeding are unknown. Tell your doctor immediately if you are pregnant, plan to become pregnant, or are breastfeeding.

  • What should I do if I miss a dose of Cefazolin?

    Cefazolin should be given under special circumstances determined by your doctor, and will be administered to you by your doctor.

  • How should I store Cefazolin?

    Your doctor will store this medication for you.