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Avelox Oral

Generic Name: MOXIFLOXACIN - ORAL
Pronounced: (mox-ih-FLOX-uh-sin)

Avelox Oral Warning

This medication may rarely cause tendon damage (e.g., tendinitis, tendon rupture) during or after treatment. Your risk for tendon problems is greater if you are over 60 years of age, if you are taking corticosteroids (such as prednisone), or if you have had a kidney, heart or lung transplant. Stop exercising, rest, and seek immediate medical attention if you develop joint/muscle/tendon pain or swelling.

Avelox Oral Side Effects

See also Warning section.

Nausea, diarrhea, dizziness, lightheadedness, headache, weakness, or trouble sleeping may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor immediately if any of these unlikely but serious side effects occur:

  • mental/mood changes (e.g., anxiety, confusion, hallucinations, depression, rare thoughts of suicide)
  • shaking (tremors)


Tell your doctor immediately if any of these rare but very serious side effects occur:

  • unusual bruising/bleeding
  • severe/persistent headache
  • signs of a new infection (e.g., new/persistent fever, persistent sore throat)
  • unusual change in the amount of urine
  • signs of liver problems (e.g., unusual tiredness, stomach/abdominal pain, persistent nausea/vomiting, yellowing eyes/skin, dark urine)


Seek immediate medical attention if any of these rare but very serious side effects occur:

  • severe dizziness
  • fainting
  • fast/irregular heartbeat
  • seizures


Moxifloxacin may rarely cause serious nerve problems that may be reversible if identified and treated early. Seek immediate medical attention if you develop any of the following symptoms:

  • pain/numbness/burning/tingling/weakness in any part of the body
  • changes in how you sense touch/pain/temperature/body position/vibration


This medication may rarely cause a severe intestinal condition (pseudomembranous colitis) due to a type of resistant bacteria. This condition may occur during treatment or weeks to months after treatment has stopped. Do not use anti-diarrhea products or narcotic pain medications if you have any of the following symptoms because these products may make them worse. Tell your doctor immediately if you develop:

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