Treats infections that are caused by certain kinds of bacteria. This medicine is a fluoroquinolone (floor-oh-KWIN-oh-lone) antibiotic.
There may be other brand names for this medicine.
When This Medicine Should Not Be Used
You should not use this medicine if you have had an allergic reaction to levofloxacin or to similar medicines such as ciprofloxacin (Cipro®), gatifloxacin (Tequin?), lomefloxacin (Maxaquin?), moxifloxacin (Avelox®), norfloxacin (Noroxin®), ofloxacin (Floxin®), or trovafloxacin (Trovan®). This medicine should not be given to a child under 18 years old, unless your doctor tells you otherwise.
How to Use This Medicine
- Your doctor will prescribe your exact dose and tell you how often it should be given. This medicine is given through a needle placed in one of your veins.A nurse or other trained health professional will give you this medicine.
- This medicine must be given slowly, so the needle will remain in place for at least one hour.
If a dose is missed:
- This medicine needs to be given on a fixed schedule. If you miss a dose or forget to use your medicine, call your doctor or pharmacist for instructions.
How to Store and Dispose of This Medicine
- If you store this medicine at home, keep it at room temperature, away from heat and direct light. Do not freeze.
- Keep all medicine away from children and never share your medicine with anyone.
- Ask your pharmacist, doctor, or health caregiver about the best way to dispose of any leftover medicine, containers, and other supplies. You will also need to throw away old medicine after the expiration date has passed.
- Throw away used needles in a hard, closed container that the needles cannot poke through. Keep this container away from children and pets.
Drugs and Foods to Avoid
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
- Make sure your doctor knows if you are also using theophylline (Theo-Dur®). Tell your doctor if you are also using a heart rhythm medicine such as amiodarone, disopyramide, dofetilitde, procainamide, quinidine, sotalol, Betapace®, Cardioquin®, Cordarone®, Norpace®, Procanbid®, or Tikosyn®.
- Tell your doctor if you are using a blood thinner such as warfarin (Coumadin®), or diabetes medicine such as glyburide, metformin, Actos®, Diabeta®, Glucotrol®, Glynase®, or Micronase®.. Your doctor needs to know if you are using pain or arthritis medicine such as ibuprofen, naproxen, Advil®, Aleve®, or Celebrex®. Make sure your doctor knows if you are using a steroid medicine such as dexamethasone, prednisolone, prednisone, or Medrol®.
- Avoid caffeine (coffee, soda, chocolate) while you are using this medicine.
Warnings While Using This Medicine
- Make sure your doctor knows if you are pregnant or breast feeding. Tell your doctor if you have diabetes, heart disease, kidney disease, liver disease, or hypokalemia (low blood potassium). Make sure your doctor knows if you have a history of seizures, epilepsy, head injury, or stroke.
- If your symptoms do not improve or if they get worse, call your doctor.
- This medicine may make your skin more sensitive to sunlight. Use a sunscreen when you are outdoors. Avoid sunlamps and tanning beds.
- Call your doctor and rest (stop exercising) if you have pain, swelling, or tearing of a tendon, such as in the back of your knee or ankle, in your shoulder or elbow, or in your hand or wrist. You may need to stop using the medicine.
- If you are also using insulin or other medicine for diabetes, you may need to monitor your blood sugar more often while using levofloxacin.
- Make sure any doctor or dentist who treats you knows that you are using this medicine. This medicine may affect the results of certain medical tests.
- If you have severe diarrhea, ask your doctor before taking any medicine to stop the diarrhea.
- This medicine may make you feel dizzy. Avoid driving, using machines, or doing anything else that could be dangerous if you are not alert.
Possible Side Effects While Using This Medicine
Call your doctor right away if you notice any of these side effects:
- Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing.
- Blistering, peeling red skin rash.
- Blood in your urine, or change in how much or how often you urinate.
- Chest pain, or a heartbeat that is fast, pounding, or uneven.
- Confusion, or unusual thoughts or behavior.
- Diarrhea that may contain blood.
- Lightheadedness or fainting.
- Numbness, tingling, pain, burning, weakness, or loss of feeling anywhere in your body.
- Redness, pain, or swelling at the injection site.
- Seizures, severe headache.
- Tremors (shaking), or hallucinations (sensing things that are not there).
- Unexplained fever.
- Unusual bleeding or bruising, or weakness.
- Yellowing of your skin or the whites of your eyes.
If you notice these less serious side effects, talk with your doctor:
- Feeling nervous, restless, or anxious.
- Headache, bad dreams, trouble sleeping.
- Muscle or joint pain.
- Nausea, vomiting, stomach pain, gas.
- Sores or white patches in your mouth or throat.
- Vaginal itching or discharge.