Precautions and Warnings With Moxifloxacin

As with any medication, there are numerous precautions and warnings with moxifloxacin to be aware of before starting treatment. It is important to know that the medication may cause tendon ruptures, QT prolongation, severe allergic reactions, and central nervous system problems. Let your healthcare provider know about all existing medical conditions you have before taking moxifloxacin, as some conditions may increase your risk of these problems.

What Should I Tell My Healthcare Provider Before Taking Moxifloxacin?

You should talk with your healthcare provider prior to taking moxifloxacin (Avelox®) if you have:
 
  • Low potassium levels in the blood (hypokalemia)
  • Seizures or epilepsy
  • Cerebral arteriosclerosis (hardening and thickening of the arteries of the brain)
  • An irregular heart rhythm known as long QT syndrome
  • Had a heart, liver, or lung transplant
  • Rheumatoid arthritis
  • Kidney disease, such as kidney failure (renal failure) 
  • Any other allergies, including allergies to food, dyes, or preservatives.
     
Also, let your healthcare provider know if you are:
 
  • Pregnant or thinking of becoming pregnant
  • Breastfeeding.
     
Make sure to tell your healthcare provider about all other medicines you are taking, including prescription and non-prescription medicines, vitamins, and herbal supplements.
 

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(Precautions and Warnings With Moxifloxacin Continued: Page 2)
Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;
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