Levofloxacin (Systemic)

Brand Names : Levaquin

Side Effects of This Medicine

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:

Rare

Skin rash, itching, or redness

Also, check with your doctor as soon as possible if any of the following side effects occur:

Rare

Abdominal or stomach cramps or pain (severe); abdominal tenderness; agitation; blisters; confusion; diarrhea (watery and severe) which may also be bloody; fever; hallucinations (seeing, hearing, or feeling things that are not there); pain, inflammation, or swelling in calves of legs, shoulders, or hands; psychosis; sensation of skin burning; redness and swelling of skin; trembling

Other 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. However, check with your doctor if any of the following side effects continue or are bothersome:

Less common

Abdominal or stomach pain or discomfort; change in sense of taste; constipation; diarrhea; dizziness; drowsiness; headache; lightheadedness; nausea; nervousness; trouble in sleeping; vaginal itching and discharge; vomiting

After you stop using this medicine, your body may need time to adjust. The length of time this takes depends on the amount of medicine you were using and how long you used it. During this period of time check with your doctor or nurse immediately if you notice any of the following side effects:

Abdominal or stomach cramps and pain (severe); abdominal tenderness; diarrhea (watery and severe) which may also be bloody; fever

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

Incidence not determined - Observed during clinical practice; estimates of frequency cannot be determined

Difficult breathing; sharp drop in blood pressure; hives; abnormal brain wave patterns; blurred vision; coma; confusion; black, tarry stools; sore throat; swollen glands; unusual bleeding or bruising; blistering, peeling, loosening of skin; itching; joint or muscle pain; bleeding gums; dark urine; fatigue; general body swelling; failure of the heart, lungs, kidneys and/or liver; increased bleeding time; diarrhea; red skin; fast, irregular heartbeat