MOXIFLOXACIN HYDROCHLORIDE TABLETS, 400 MG TABLET, FILM COATED [REMEDYREPACK INC.] Fluoroquinolones, including moxifloxacin hydrochloride, 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 hydrochloride. Patients of any age or without pre-existing risk factors have experienced these adverse reactions [see Warnings and Precautions (5.2 , 5.3 , 5.4 )]. Discontinue moxifloxacin hydrochloride immediately at the first signs or symptoms of any serious adverse reaction. In addition, avoid the use of fluoroquinolones, including moxifloxacin hydrochloride, in patients who have experienced any of these serious adverse reactions associated with fluoroquinolones.