Levaquin (levofloxacin) is a highly-efficient antibiotic used to treat a wide range of bacteria-induced infections that your body is not able to deal with on its own. Before you purchase this medicine online and elsewhere it’s a good idea to talk to your health care provider. You need to discuss any health conditions you have ever been diagnosed with, as they can render your treatment less efficient. Another point to be discussed is any other medicine you are taking at the moment. That can be any prescription or over-the-counter drug that you have been prescribed or are taking at your own discretion. The better you understand the instructions of your health care provider and the more exactly you follow all the directions – the more efficient and safe your treatment is going to be.