Home
Guidelines
Pathogens
Antimicrobials
High
Excellent
500-750 mg PO BID
400 mg IV q8-12h
Monitor QTc in patients with increased risk
QTc prolongation
Dysglycemia
CNS toxicity including confusion, psychosis
Tendinopathy and rupture
GI upset
Weakness exacerbation in myasthenia gravis
Rash
Retinal detachment
CYP1A2 inhibitor - multiple interactions possible
QTc prolongation - Increased risk with other agents that prolong QTc
Di- & Trivalent cations including Al, Ca, Fe, Mg (antacids, dairy products, iron supplements, some enteral feeds) - decreased absorption
Cyclosporine - increased levels of cyclosporine
Warfarin - increased INR
Decreases phenytoin levels
May exacerbate muscle weakness in persons with myasthenia gravis. Avoid Use.
Antimicrobial class: Fluoroquinolone
Pregnancy category: C