Levofloxacin (Oral Route)

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Side Effects

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur:

• Diarrhea

• Abdominal or stomach cramps or pain (severe)
• Agitation
• Blisters
• Confusion
• Diarrhea (watery and severe) which may also be bloody
• Feeling that others can hear your thoughts or control your behavior
• Fever
• Pain, inflammation, or swelling in the calves of the legs, shoulders, or hands
• Redness and swelling of the skin
• Seeing, hearing, or feeling things that are not there
• Sensation of burning on the skin
• Severe mood or mental changes
• Skin rash, itching, or redness
• Trembling
• Unusual behavior

• Black, tarry stools
• Bleeding gums
• Blurred vision
• Burning, numbness, tingling, or painful sensations
• Convulsions (seizures)
• Cough
• Dark-colored urine
• Difficulty with breathing
• Difficulty with chewing, talking, or swallowing
• Double vision
• Drooping eyelids
• Fast or irregular heartbeat
• General body swelling
• Hives
• Hoarseness
• Joint or muscle pain
• Muscle cramps, spasms, pain, or stiffness
• Peeling or loosening of the skin
• Puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
• Severe dizziness
• Severe tiredness
• Shortness of breath
• Sore throat
• Swollen glands
• Tightness in the chest
• Unsteadiness or awkwardness
• Unusual bleeding or bruising
• Unusual tiredness or weakness
• Voice changes
• Weakness in the arms, hands, legs, or feet

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

• Abdominal or stomach pain or discomfort
• Change in taste
• Constipation
• Dizziness
• Drowsiness
• Headache
• Lightheadedness
• Nausea
• Nervousness
• Trouble with sleeping
• Vaginal itching and discharge
• Vomiting

• Feeling faint
• Feeling of warmth or heat
• Flushing or redness of the skin, especially on the face and neck
• Sweating

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

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