Enoxacin Penetrex Gatifloxacin Tequin Gemifloxacin Factive[14] Levofloxacin Levaquin Lomefloxacin Maxaquin Moxifloxacin Avelox Nadifloxacin Nalidixic acid NegGram Norfloxacin Noroxin Ofloxacin Floxin (discontinued), Ocuflox Trovafloxacin Trovan Withdrawn Grepafloxacin Raxar Withdrawn Sparfloxacin Zagam Withdrawn Temafloxacin Omniflox Withdrawn Sulfonamides(Bs) Mafenide Sulfamylon Urinary tract infections (except sulfacetamide, used for eye infections, and mafenide and silver sulfadiazine, used topically for burns) Nausea, vomiting, and diarrhea Allergy (including skin rashes) Crystals in urine Kidney failure Decrease in white blood cell count Sensitivity to sunlight Folate synthesis inhibition.