Generic Name: cefazolin (sef-A-zoe-lin)
Brand Name: Generic only. No brands available.
Cefazolin is used for:
Treating bacterial infections or preventing bacterial infections before, during, or after certain surgeries.
Cefazolin is a cephalosporin antibiotic. It works by killing sensitive bacteria.
Do NOT use cefazolin if:
- you are allergic to any ingredient in cefazolin or to any other cephalosporin antibiotic (eg, cephalexin)
Contact your doctor or health care provider right away if any of these apply to you.
Before using cefazolin:
Some medical conditions may interact with cefazolin. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
- if you are pregnant, planning to become pregnant, or are breast-feeding
- if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
- if you have allergies to medicines, foods, or other substances
- if you have had a severe allergic reaction (eg, severe rash, hives, difficulty breathing, dizziness) to a penicillin (eg, amoxicillin) or beta-lactam antibiotic (eg, imipenem)
- if you have stomach or bowel problems (eg, inflammation), blood clotting problems, kidney or liver problems, or poor nutrition
Some MEDICINES MAY INTERACT with cefazolin. Tell your health care provider if you are taking any other medicines, especially any of the following:
- Anticoagulants (eg, warfarin) or heparin because the risk of side effects, including bleeding, may be increased by cefazolin
- Probenecid because its actions and the risk of its side effects may be increased by cefazolin
This may not be a complete list of all interactions that may occur. Ask your health care provider if cefazolin may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.
How to use cefazolin:
Use cefazolin as directed by your doctor. Check the label on the medicine for exact dosing instructions.
- Cefazolin is usually given as an injection at your doctor's office, hospital, or clinic. If you will be using cefazolin at home, a health care provider will teach you how to use it. Be sure you understand how to use cefazolin. Follow the procedures you are taught when you use a dose. Contact your health care provider if you have any questions.
- Do not use cefazolin if it contains particles, is cloudy or discolored, or if the vial is cracked or damaged.
- To clear up your infection completely, use cefazolin for the full course of treatment. Keep using it even if you feel better in a few days.
- Keep this product, as well as syringes and needles, out of the reach of children and pets. Do not reuse needles, syringes, or other materials. Ask your health care provider how to dispose of these materials after use. Follow all local rules for disposal.
- If you miss a dose of cefazolin, take it as soon as possible. If it is almost time for your next dose, skip the missed dose. Go back to your regular dosing schedule. Do not take 2 doses at once.
Ask your health care provider any questions you may have about how to use cefazolin.
Important safety information:
- Cefazolin only works against bacteria; it does not treat viral infections (eg, the common cold).
- Be sure to use cefazolin for the full course of treatment. If you do not, the medicine may not clear up your infection completely. The bacteria could also become less sensitive to this or other medicines. This could make the infection harder to treat in the future.
- Long-term or repeated use of cefazolin may cause a second infection. Tell your doctor if signs of a second infection occur. Your medicine may need to be changed to treat this.
- Mild diarrhea is common with antibiotic use. However, a more serious form of diarrhea (pseudomembranous colitis) may rarely occur. This may develop while you use the antibiotic or within several months after you stop using it. Contact your doctor right away if stomach pain or cramps, severe diarrhea, or bloody stools occur. Do not treat diarrhea without first checking with your doctor.
- Diabetes patients - Cefazolin may cause the results of some tests for urine glucose to be wrong. Ask your doctor before you change your diet or the dose of your diabetes medicine.
- Cefazolin may interfere with certain lab tests. Be sure your doctor and lab personnel know you are using cefazolin.
- Lab tests, including kidney or liver tests or blood cell counts, may be performed while you use cefazolin. These tests may be used to monitor your condition or check for side effects. Be sure to keep all doctor and lab appointments.
- Use cefazolin with caution in the ELDERLY; they may be more sensitive to its effects.
- Use cefazolin with extreme caution in CHILDREN younger than 1 month old; safety and effectiveness in these children have not been confirmed.
- Use cefazolin with extreme caution in CHILDREN younger than 10 years old who have diarrhea or an infection of the stomach or bowel.
- PREGNANCY and BREAST-FEEDING: If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using cefazolin while you are pregnant. Cefazolin is found in breast milk. If you are or will be breast-feeding while you use cefazolin, check with your doctor. Discuss any possible risks to your baby.
Possible side effects of cefazolin:
All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Seek medical attention right away if any of these SEVERE side effects occur:
Loss of appetite; mild diarrhea; nausea; stomach cramps; vomiting.
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); bloody stools; decreased urination; fever; hoarseness; pain, swelling, or redness at the injection site; red, swollen, or blistered skin; seizures; severe diarrhea; severe nausea or vomiting; severe stomach pain/cramps; unusual bruising or bleeding; unusual tiredness; vaginal irritation or discharge; white spots in the mouth; yellowing of the eyes and skin.
This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.
If OVERDOSE is suspected:
Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately. Symptoms may include muscle spasms; seizures.Proper storage of cefazolin:
Cefazolin is usually handled and stored by a health care provider. If you are using cefazolin at home, store cefazolin as directed by your pharmacist or health care provider. Store away from heat, moisture, and light. Keep cefazolin out of the reach of children and away from pets.
- If you have any questions about cefazolin, please talk with your doctor, pharmacist, or other health care provider.
- Cefazolin is to be used only by the patient for whom it is prescribed. Do not share it with other people.
- If your symptoms do not improve or if they become worse, check with your doctor.
- Check with your pharmacist about how to dispose of unused medicine.
This information should not be used to decide whether or not to take cefazolin or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about cefazolin. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to cefazolin. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using cefazolin.
Disclaimer: This information should not be used to decide whether or not to take this medicine or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using this medicine.
More about cefazolin
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- Drug class: first generation cephalosporins