1. What Cefmetazole soduim for injection is and what it is used for

This medicine is a kind of antibiotic called a cephalosporin. It is used to treat infections caused by bacteria. It does not cure viral infections such as colds and the flu. It is given by injection (shot) into a vein or into a muscle. This medicine may also be used before,during, and after surgery to decrease the risk of infection.

2. Before you use Cefmetazole soduim for injection

If you are allergic to penicillin, you may be allergic to this medicine. Tell your health care provider if you are allergic to any medicines.
Tell your health care provider if you have any urinary problems. This medicine may cause seizures (convulsions) in people with kidney disease if your dose is not adjusted. If you have seizures, contact your health care provider right away.
Tell your health care provider if you have any bleeding problems.
Tell your health care provider if you have a history of colitis (inflammation of the colon).
Females of childbearing age: Tell your health care provider if you are pregnant or breast-feeding.

3. How to use Cefmetazole soduim for injection

Administration
Intravenous PREPARE: Direct/Intermittent: Reconstitute with sterile water for injection, bacteriostatic water for injection, or NS. Dilute 1 g with 3.7 mL to yield 250 mg/mL or with 10 mL to yield 100 mg/mL. Solution may be further diluted to concentrations ranging from 1-20 mg/mL by adding it to D5W, NS, or RL. 
ADMINISTER: Direct/Intermittent: Drug can be given direct IV over 3-5 min (for surgical prophylaxis only) or infused over 10-60 min. 

4. Possible side effects

Along with its needed effects, your medicine may cause some unwanted side effects. Some side effects may be very serious. Some side effects may go away as your body adjusts to the medicine. Tell your health care provider if you have any side effects that continue or get worse.
Life-threatening (Report these to your health care provider right away. If you cannot reach your health care provider right away, get emergency medical care or call 911 for help): Allergic reaction (hives; itching; rash; trouble breathing; tightness in your chest; swelling of your lips, tongue, and throat).
Serious (report these to your health care provider right away): Fever, yellowish skin or eyes, constant diarrhea, bloody or black tarry stools, joint pain, numbness.
Other: Nausea, vomiting, stomach upset, loss of appetite, gas, dizziness, headache, confusion, fatigue, drowsiness.

5. Storing Cefmetazole soduim for injection

Keep all medicines out of the reach of children.
This medication must be stored properly. Review storage instruction with your doctor or pharmacist. Store dry powder vials at room temperature away from sunlight.

Check expiration time before using reconstituted solution.