 <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] 's approval. Levofloxacin is very similar to ofloxacin. Do not use medications containing ofloxacin while using levofloxacin. This medication may interfere with certain lab tests (such as urine screening for opiates), possibly causing false test results. Make sure lab personnel and all your doctors know you use this drug. Does Levofloxacin Vial interact with other drugs you are taking? Enter your medication into the WebMD interaction checker Check InteractionThe overdose of Levofloxacin Intravenous: 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. Symptoms of overdose may include: severe dizziness.  Notes Do not share this medication with others. This medication has been prescribed for your current condition only. Do not use it later for another infection unless your doctor tells you to. Lab tests (such as kidney function, complete blood count, blood sugar, cultures) may be done before you start using this medication and while you are using </s>