 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  to treat a wide variety of bacterial infections. It may also be used to prevent infection from certain surgeries. This medication belongs to a class of drugs known as cephalosporin antibiotics. It works by stopping the growth of bacteria. How to use Claforan Vial This medication is given by injection into a muscle or vein as directed by your doctor. If given by injection into a vein, inject the drug slowly over at least 3 minutes to avoid possible serious side effects (such as irregular heartbeat). The dosage is based on your medical condition and response to treatment. If you are using this medication at home, learn all preparation and usage instructions from your health care professional. Before using, check this product visually for particles or discoloration. If either is present, do not use the liquid. Learn how to store and discard medical supplies safely. If you are using the frozen pre-mixed solution, thaw the bag at room temperature or in the refrigerator. If the bag is thawed in the refrigerator, let it sit at room temperature at least 1 hour before using. Do not thaw by putting in a water bath or microwaving. After thawing, shake well and squeeze the bag to check for leaks. Discard solution if the bag leaks. </s>