 <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] venous: If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center.  Notes Lab and/or medical tests (such as heart exams, complete blood count) should be done before you start using this medication and while you are using it. Keep all medical and lab appointments.  Missed Dose It is important to get each dose of this medication as scheduled. If you miss a dose, ask your doctor or pharmacist right away for a new dosing schedule.  Storage Not applicable. This medication is given in a hospital or clinic and will not be stored at home.The uses of Levofloxacin Intravenous: This medication is used to treat a variety of bacterial infections. Levofloxacin belongs to a class of drugs known as quinolone antibiotics. It works by stopping the growth of bacteria. Levofloxacin injection is used if you cannot take the medication by mouth.This antibiotic treats only bacterial infections. It will not work for viral infections (such as common </s>