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Moxifloxacin is a fluoroquinolone antibacterial indicated for treating infections in adults 18 years of age and older caused by designated susceptible bacteria, in the conditions listed below: Community Acquired Pneumonia (1.1) Skin and Skin Structure Infections: Uncomplicated (1.2) and Complicated (1.3) Complicated Intra-Abdominal Infections (1.4) Plague (1.5) Acute Bacterial Sinusitis (1.6) Acute Bacterial Exacerbation of Chronic Bronchitis (1.7) To reduce the development of drug-resistant bacteria and maintain the effectiveness of moxifloxacin and other antibacterial drugs. Moxifloxacin should be used only to treat or prevent infections that are proven or strongly suspected to be caused by susceptible bacteria. (1.8) 1.1 Community Acquired Pneumonia Moxifloxacin is indicated in adult patients for the treatment of Community Acquired Pneumonia caused by susceptible isolates of Streptococcus pneumoniae (including multi-drug resistant Streptococcus pneumoniae [MDRSP]) , Haemophilus influenzae, Moraxella catarrhalis, methicillin-susceptible Staphylococcus aureus, Klebsiella pneumoniae, Mycoplasma pneumoniae, or Chlamydophila pneumoniae [see Clinical Studies (14.3) ]. MDRSP isolates are isolates resistant to two or more of the following antibacterial drugs: penicillin (minimum inhibitory concentrations [MIC] ≥ 2 mcg/mL), 2nd generation cephalosporins (for example, cefuroxime), macrolides, tetracyclines, and trimethoprim/sulfamethoxazole. 1.2 Uncomplicated Skin and Skin …

Moxifloxacin tablets are contraindicated in persons with a history of hypersensitivity to moxifloxacin or any member of the quinolone class of antibacterials [see Warnings and Precautions ( 5.8 ) ] . Known hypersensitivity to moxifloxacin or other quinolones ( 4 , 5.8 )

Prolongation of the QT interval and isolated cases of torsade de pointes has been reported. Avoid use in patients with known prolongation, proarrhythmic conditions such as clinically significant bradycardia or acute myocardial ischemia, hypokalemia, hypomagnesemia, and with drugs that prolong the QT interval. ( 5.6 , 7.5, 8.5 ) Hypersensitivity and other serious reactions: Serious and sometimes fatal reactions, including anaphylactic reactions, may occur after first or subsequent doses of moxifloxacin. Discontinue moxifloxacin at first sign of skinrash, jaundice or any other sign of hypersensitivity. ( 5.7 , 5.8 ) Clostridiodes difficile -Associated Diarrhea: Evaluate if diarrhea occurs. ( 5.10 ) 5.1 Disabling and Potentially Irreversible Serious Adverse Reactions Including Tendinitis and Tendon Rupture, Peripheral Neuropathy, and Central Nervous System Effects Fluoroquinolones, including moxifloxacin, have been associated with disabling and potentially irreversible serious adverse reactions from different body systems that can occur together in the same patient. Commonly seen adverse reactions include tendinitis, tendon rupture, arthralgia, myalgia, peripheral neuropathy, and central nervous system effects (hallucinations, anxiety, depression, insomnia, severe headaches, and confusion). These reactions can occur within hours to weeks after starting moxifloxacin. Patients of any age or without pre-existing risk factors have experienced these adverse reactions [see Warnings …

Pregnancy: Based on animal data may cause fetal harm. (8.1) Geriatrics: Increased risk for severe tendon disorders further increased by concomitant corticosteroid therapy and increased risk of prolongation of the QT interval. ( 5.1 , 5.6 , 8.5 ) 8.1 Pregnancy Risk Summary ​​​​​​​There are no available human data establishing a drug associated risk with the use of moxifloxacin. Based on animal studies with moxifloxacin, moxifloxacin may cause fetal harm. Moxifloxacin did not cause fetal malformations when administered to pregnant rats (IV and oral), rabbits (IV), and monkeys (oral) at exposures that were 0.24–2.5 times of those at the human clinical dose (400 mg/day moxifloxacin). However, …