High
Excellent
QTc prolongation
Dysglycemia
CNS toxicity including confusion, psychosis
Tendinopathy and rupture
GI upset
Weakness exacerbation in myasthenia gravis
Rash
QTc prolongation - Increased risk with other agents that prolong QTc
Divalent cations including Ca, Mg - decreased absorption
Warfarin - increased INR
Rifampin - decrease moxifloxacin levels
Low urinary drug levels - do not use to treat UTI.
May exacerbate muscle weakness in persons with myasthenia gravis. Avoid Use.
