Levaquin is an antibiotic used to treat certain bacterial infections of the urinary tract, skin, sinuses, kidneys, and prostate. Levaquin may also be used to treat sudden worsening of chronic bronchitis, inhalation anthrax, plague, and certain types of pneumonia. Levaquin is available as tablets and an oral solution.
Levaquin can cause tendon rupture or swelling. Your risk can increase if you are over 60 years; are taking steroids; have had a kidney, heart, or lung transplant; engage in physical activity or exercise; have kidney failure; or have past tendon problems (such as rheumatoid arthritis). Tell your doctor immediately if you experience pain, swelling, tears, or inflammation of tendons in the back of your ankle, shoulder, hand, or other tendon sites. Also, tell your doctor immediately if you hear or feel a snap or pop in a tendon area, bruise right after an injury in a tendon area, or are unable to move the affected area or bear weight.
Levaquin can cause worsening of myasthenia gravis (a disease characterized by long-lasting fatigue and muscle weakness). Tell your doctor immediately if you develop muscle weakness or trouble breathing.
Levaquin can cause serious allergic reactions that may be life-threatening. Stop taking Levaquin and tell your doctor right away if you experience hives, trouble breathing or swallowing, throat tightness, hoarseness, rapid heartbeat, fainting, skin rash, or swelling of your lips, tongue, or face.
Levaquin can cause liver damage. Call your doctor right away if you develop unexplained nausea or vomiting, stomach pain, fever, weakness, abdominal pain or tenderness, itching, unusual tiredness, loss of appetite, light color bowel movements, dark colored urine, or yellowing of your skin or whites of your eyes.
Levaquin can cause central nervous system (CNS) effects. Tell your doctor right away if you experience seizures, hallucinations, restlessness, shaking, anxiousness or nervousness, confusion, depression, trouble sleeping, nightmares, lightheadedness, suspiciousness, headaches that will not go away, or suicidal thoughts or actions.
Diarrhea is a common problem when taking antibiotics; it usually ends when the antibiotic is stopped. Sometimes after starting treatment with antibiotics, people may develop watery and bloody stools (with or without stomach cramps and fever) even as late as two or more months after having taken the last dose of the antibiotic. Contact your doctor right away if this occurs.
Levaquin can cause damage to the nerves in your arms, hands, legs, or feet. Tell your doctor right away if you develop pain, burning, tingling, numbness, or weakness in any of these areas of your body.
Levaquin can cause serious heart rhythm changes. Your risk of this happening is higher if you are elderly, have low blood potassium levels, take certain medicines to control your heart rhythm, or have a family history of prolonged QT interval (very fast or abnormal heartbeats). Tell your doctor right away if you develop a fast or irregular heartbeat, or if you feel faint.
Levaquin can increase the risk of problems with joints or tissue around joints in children. Tell your child’s doctor if your child has any joint problems during or after treatment with Levaquin.
Levaquin can cause changes in blood sugar if you take it in combination with diabetes medicines. If you have diabetes, check your blood sugar regularly and tell your doctor right away if you have low blood sugar while you are taking Levaquin.
Take Levaquin as prescribed by your doctor for the full course of treatment, even if your symptoms improve earlier. Do not skip doses. Skipping doses or not completing the full course of Levaquin can decrease its effectiveness and can lead to the growth of bacteria that are resistant to the effects of Levaquin.