--Headache, Diarrhea, Nausea, Vomiting, Flatulence, Abdominal pain, Rash, Pruritus, Dizziness, Fatigue, Insomnia, Fracture of the hip/wrist/spine, Hypomagnesemia, Interstitial nephritis, Clostridium difficile associated diarrhea, Lupus erythematosus, Stevens-Johnson syndrome, Toxic epidermal necrolysis, Erythema multiforme