http://www.medications.com/effect/view/30845 I am 67 years old and I had a PSA level of 5.7 as of April 16th 2008. In the year 2000 my PSA level was 11 and Dr did biopsy and found no issues. On May 8th my present Dr prescribed Levaquin 500 Mg to treat my PSA. As of today I have taken 18 tablets of Lev