Will levofloxacin show up as THC in urine test?

No, levofloxacin will not show up as THC in a urine test. Levofloxacin is an antibiotic and has a different chemical structure than THC, the active compound in cannabis. Standard drug tests are designed to detect specific substances, and levofloxacin is not among them. However, it's always advisable to inform testing personnel of any medications you are taking to avoid potential confusion.