What is levofloxacin (oral)?
Levofloxacin is in a group of antibiotics called fluoroquinolones (flor-o-KWIN-o-lones).
Levofloxacin fights bacteria in the body.
Levofloxacin is used to treat bacterial infections of the skin, sinuses, kidneys, bladder, or
prostate. Levofloxacin is also used to treat bacterial infections that cause bronchitis or pneumonia, and
to treat people who have been exposed to anthrax.
Levofloxacin may also be used for other purposes not listed in this medication guide.
What should I discuss with my healthcare provider before taking levofloxacin (oral)?
You should not use this medication if you are allergic to levofloxacin or other
fluoroquinolones such as ciprofloxacin (Cipro), moxifloxacin (Avelox), ofloxacin (Floxin), norfloxacin
(Noroxin), lomefloxacin (Maxaquin), and others.
Before taking levofloxacin, tell your doctor if you have a heart rhythm disorder, especially if you
are being treated with one of these medications: quinidine (Cardioquin, Quinidex, Quinaglute),
disopyramide (Norpace), bretylium (Bretylol), procainamide (Pronestyl, Procan SR), amiodarone
(Cordarone, Pacerone), or sotalol (Betapace).
If you have certain conditions, you may need a dose adjustment or special tests to safely use
this medication. Before you take levofloxacin, tell your doctor if you have:
-
a history of allergic reaction to an antibiotic;
-
myasthenia gravis;
-
joint problems;
-
kidney or liver disease;
-
seizures or epilepsy;
-
diabetes;
-
low levels of potassium in your blood (hypokalemia); or
-
a personal or family history of "Long QT syndrome."
FDA pregnancy category C: It is not known whether levofloxacin is
harmful to an unborn baby. Do not use ciprofloxacin without telling your doctor if you are pregnant.
Tell your doctor if you become pregnant during treatment.
Levofloxacin can pass into breast milk and may harm a nursing baby. Do not use this
medication without telling your doctor if you are breast-feeding a baby.
Levofloxacin may cause swelling or tearing of a tendon (the fiber that connects bones to
muscles in the body), especially in the Achilles' tendon of the heel. These effects may be more likely to
occur if you are over 60, if you take an oral steroid medication, or if you have had a kidney, heart, or
lung transplant. Stop taking levofloxacin and call your doctor at once if you have sudden pain, swelling,
tenderness, stiffness, or movement problems in any of your joints. Rest the joint until you receive
medical care or instructions.
Do not share this medication with another person (especially a child), even if they have the
same symptoms you have.
How should I take levofloxacin (oral)?
Take this medication exactly as it was prescribed for you. Do not take the medication in larger
amounts, or take it for longer than recommended by your doctor. Follow the directions on your
prescription label.
Take levofloxacin with a full glass of water (8 ounces). Drink several extra glasses of fluid
each day while you are taking levofloxacin.
You may take levofloxacin
tablets
with or without food.
Take levofloxacin
oral solution (liquid)
on an empty stomach 1 hour
before or 2 hours after meals.
Measure liquid medicine with a special dose-measuring spoon or cup, not a regular table spoon.
If you do not have a dose-measuring device, ask your pharmacist for one.
Take this medication for as many days as it has been prescribed for you even if you begin
to feel better. Your symptoms may improve before the infection is completely cleared. Levofloxacin
will not treat a viral infection such as the common cold or flu.
This medicine can cause you to have unusual results with certain medical tests. Tell any doctor
who treats you that you are using levofloxacin.
Store this medication at room temperature away from moisture and heat. Do not allow the
liquid medicine to freeze.
What happens if I miss a dose of levofloxacin (oral)?
Take the missed dose as soon as you remember. If it is almost time for your next dose, wait
until then to take the medicine and skip the missed dose.
Do not
take extra medicine
to make up the missed dose.
Where can I get more information about levofloxacin (oral)?
Your pharmacist has information about levofloxacin (oral) written for health professionals that you may read.
What are the possible side effects of levofloxacin (oral)?
Get emergency medical help if you have any of these
signs of an allergic
reaction:
hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using levofloxacin and call your doctor at once if you have a serious side effect such
as:
-
dizziness, fainting, fast or pounding heartbeat;
-
sudden pain or swelling near your joints (especially in your
arm or ankle);
-
diarrhea that is watery or bloody;
-
confusion, hallucinations, depression, unusual thoughts or
behavior;
-
seizure (convulsions);
-
pale or yellowed skin, dark colored urine, fever, weakness;
-
urinating less than usual or not at all;
-
easy bruising or bleeding;
-
numbness, burning, pain, or tingly feeling in your hands or
feet;
-
fever, sore throat, and headache with a severe blistering,
peeling, and red skin rash; or
-
the first sign of any skin rash, no matter how mild.
Less serious side effects may include:
-
nausea, diarrhea, constipation;
-
feeling restless, anxious, or depressed;
-
headache, dizziness;
-
muscle pain;
-
sleep problems (insomnia or nightmares);
-
vaginal itching or discharge; or
-
mild skin itching.
This is not a complete list of side effects and others may occur. Call your
doctor for medical advice about side effects. You may report side effects to FDA at
1-800-FDA-1088. You may report side effects to FDA at 1-800-FDA-1088.
What is the most important information I should know about levofloxacin (oral)?
You should not use this medication if you are allergic to levofloxacin or similar antibiotics
such as ciprofloxacin (Cipro), moxifloxacin (Avelox), ofloxacin (Floxin), norfloxacin (Noroxin),
lomefloxacin (Maxaquin), and others.
Before taking levofloxacin, tell your doctor if you have kidney or liver disease, myasthenia
gravis, joint problems, seizures or epilepsy, diabetes, low levels of potassium in your blood
(hypokalemia), or a personal or family history of "Long QT syndrome."
Avoid taking antacids, vitamin or mineral supplements, sucralfate (Carafate), or didanosine
(Videx) powder or chewable tablets within 2 hours before or after you take levofloxacin. These other
medicines can make levofloxacin much less effective when taken at the same time.
Taking levofloxacin can make your skin more sensitive to sunlight. Avoid exposure to sunlight,
sun lamps, or tanning beds.
Levofloxacin may cause swelling or tearing of a tendon (the fiber that connects bones to
muscles in the body), especially in the Achilles' tendon of the heel. These effects may be more likely to
occur if you are over 60, if you take an oral steroid medication, or if you have had a kidney, heart, or
lung transplant. Stop taking levofloxacin and call your doctor at once if you have sudden pain, swelling,
tenderness, stiffness, or movement problems in any of your joints. Rest the joint until you receive
medical care or instructions.
Do not share this medication with another person (especially a child), even if they have the
same symptoms you have.
What should I avoid while taking levofloxacin (oral)?
You may be taking certain other medicines that should not be taken at the same time as
levofloxacin. Avoid taking the following medicines within 2 hours before or after you take levofloxacin.
These other medicines can make levofloxacin much less effective when taken at the same time:
-
antacids that contain magnesium or aluminum (such as Maalox,
Mylanta, or Rolaids);
-
the ulcer medicine sucralfate (Carafate);
-
didanosine (Videx) powder or chewable tablets; or
-
vitamin or mineral supplements that contain iron or zinc.
Avoid exposure to sunlight, sunlamps, or tanning beds. Levofloxacin
can make your skin more sensitive to sunlight, and a sunburn may result. Wear protective clothing and
use a sunscreen (SPF-15 or higher) if you must be out in the sun. Call your doctor if you have severe
burning, redness, itching, rash, or swelling after being in the sun.
Antibiotic medicines can cause diarrhea, which may be a sign of a new infection. If you have
diarrhea that is watery or has blood in it, call your doctor. Do not use any medicine to stop the
diarrhea unless your doctor has told you to.
Levofloxacin can cause side effects that may impair your thinking or reactions. Be careful if
you drive or do anything that requires you to be awake and alert.
What other drugs will affect levofloxacin (oral)?
Before taking levofloxacin, tell your doctor if you are also using any of the following drugs:
-
a blood thinner such as warfarin (Coumadin);
-
insulin or diabetes medication you take by mouth, such as
glyburide (Micronase, Diabeta, Glynase);
-
a nonsteroidal anti-inflammatory drug (NSAID) such as
ibuprofen (Motrin, Advil, Nuprin, others), etodolac (Lodine), diclofenac (Cataflam, Voltaren),
indomethacin (Indocin), nabumetone (Relafen), meloxicam (Mobic), naproxen (Aleve, Naprosyn,
Anaprox), piroxicam (Feldene), and others; or
-
an oral steroid medication such as betamethasone
(Celestone), dexamethasone (Decadron, Dexpak), methylprednisolone (Medrol), prednisolone
(Orapred), prednisone (Meticorten, Sterapred), and others.
This list is not complete and there may be other drugs that can interact with
levofloxacin. Tell your doctor about all the prescription and over-the-counter medications you use.
This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start
using a new medication without telling your doctor.
What happens if I have an overdose of levofloxacin (oral)?
