Prolonged QT interval and Syncope/Torsades de pointes
Photosensitivity
Stevens-Johnson syndrome/Toxic epidermal necrolysis
Clostridium difficile diarrhea, Pseudomembranous enterocolitis
Tendonitis or tendon rupture (black box warning) - increased risk in age >60, immunosuppressed, corticosteroid use
peripheral neuropathy
severe hypoglycemia 
mental health effects
Rash
Diarrhea/Nausea/Vomiting
Ciprofloxacin
Gatifloxacin
Meropenem
Ofloxacin
Metronidazole
Fosfomycin
Vancomycin
Ertapenem