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Levofloxacin belongs to the class of medications called quinolones. It is an antibiotic used for the treatment of certain bacterial infections.
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Levofloxacin belongs to the class of medications called quinolones. It is an antibiotic used for the treatment of certain bacterial infections. It is most commonly used to treat infections of the bladder, kidney, prostate, sinus, skin, and lung.
Levaquin may be available under multiple brand names and/or in several different forms. Any specific brand name of Levaquin may not be available in all of the forms or approved for all of the conditions discussed here. As well, some forms of Levaquin may not be used for all of the conditions discussed here.
Your doctor may have suggested Levaquin for conditions other than those listed in these drug information articles. If you have not discussed this with your doctor or are not sure why you are taking Levaquin, speak to your doctor. Do not stop taking Levaquin without consulting your doctor.
Do not give Levaquin to anyone else, even if they have the same symptoms as you do. It can be harmful for people to take Levaquin if their doctor has not prescribed it.
The usual recommended adult dose of levofloxacin ranges from 250 mg to 750 mg daily. The exact dose and length of treatment depends on the condition being treated and other medical conditions present.
Levaquin may be taken with or without food. Levofloxacin should be taken at least 2 hours before or 2 hours after taking antacids containing calcium, magnesium, or aluminum; Sucralfate; or vitamin and mineral tablets containing calcium, iron, or zinc. Make sure to drink plenty of fluids each day while taking levofloxacin.
Many things can affect the dose of medication that a person needs, such as body weight, other medical conditions, and other medications. If your doctor has recommended a dose different from the ones given here, do not change the way that you are taking the medication without consulting your doctor.
Finish all Levaquin, even if you have started to feel better. Stopping before the medication is finished may cause the infection to return and be harder to treat.
It is important to take Levaquin exactly as prescribed by your doctor. If you miss a dose, take it as soon as possible and continue with your regular schedule. If it is almost time for your next dose, skip the missed dose and continue with your regular dosing schedule. Do not take a double dose to make up for a missed one. If you are not sure what to do after missing a dose, contact your doctor or pharmacist for advice.
Store Levaquin at room temperature, protect it from light and moisture, and keep it out of the reach of children.
Do not dispose of medications in wastewater (e.g. down the sink or in the toilet) or in household garbage. Ask your pharmacist how to dispose of medications that are no longer needed or have expired.
Many medications can cause side effects. A side effect is an unwanted response to a medication when it is taken in normal doses. Side effects can be mild or severe, temporary or permanent.
The side effects listed below are not experienced by everyone who takes Levaquin. If you are concerned about side effects, discuss the risks and benefits of Levaquin with your doctor.
The following side effects have been reported by at least 1% of people taking Levaquin. Many of these side effects can be managed, and some may go away on their own over time.
Contact your doctor if you experience these side effects and they are severe or bothersome. Your pharmacist may be able to advise you on managing side effects.
Although most of the side effects listed below don't happen very often, they could lead to serious problems if you do not check with your doctor or seek medical attention.
Check with your doctor as soon as possible if any of the following side effects occur:
Stop taking the medication and seek immediate medical attention if any of the following occur:
Some people may experience side effects other than those listed. Check with your doctor if you notice any symptom that worries you while you are taking Levaquin.
Do not take Levaquin if you:
There may be an interaction between levofloxacin and any of the following:
If you are taking any of these medications, speak with your doctor or pharmacist. Depending on your specific circumstances, your doctor may want you to:
An interaction between two medications does not always mean that you must stop taking one of them. Speak to your doctor about how any drug interactions are being managed or should be managed.
Medications other than those listed above may interact with Levaquin. Tell your doctor or prescriber about all prescription, over-the-counter (non-prescription), and herbal medications that you are taking. Also tell them about any supplements you take. Since caffeine, alcohol, the Nicotine from cigarettes, or street drugs can affect the action of many medications, you should let your prescriber know if you use them.
Before you begin using a medication, be sure to inform your doctor of any medical conditions or Allergies you may have, any medications you are taking, whether you are pregnant or breast-feeding, and any other significant facts about your health. These factors may affect how you should use Levaquin.
HEALTH CANADA ADVISORY
January 23, 2017
Health Canada has issued new restrictions concerning the use of levofloxacin. To read the full Health Canada Advisory, visit Health Canada's web site at www.hc-sc.gc.ca.
Abnormal heart rhythms: Levaquin can cause abnormal heart rhythms. Certain medications (e.g., Sotalol, quinidine, thioridazine, Chlorpromazine, Pimozide, moxifloxacin, Mefloquine, pentamidine, arsenic trioxide, mesylate, Tacrolimus) can increase the risk of a type of abnormal heart rhythm called QT prolongation, and should not be used in combination with levofloxacin. You are more at risk for this type of abnormal heart rhythm and its complications if you:
If you have heart disease and abnormal heart rhythms, or are taking certain medications (e.g., Verapamil, atazanavir), discuss with your doctor how Levaquin may affect your medical condition, how your medical condition may affect the dosing and effectiveness of Levaquin, and whether any special monitoring is needed.
Allergic reactions: In rare cases, some people may develop an allergic reaction to Levaquin. Signs of an allergic reaction include a severe rash, swollen face, or difficulty breathing. If these occur, contact your doctor immediately.
Blood sugar levels: Levofloxacin may cause a loss of control of blood sugar levels and glucose tolerance may change. People with diabetes may find it necessary to monitor their blood sugar more frequently while using Levaquin. People without diabetes have also been known to experience high or low blood sugars while taking levofloxacin.
If you have diabetes or are at risk for developing diabetes, discuss with your doctor how Levaquin may affect your medical condition, how your medical condition may affect the dosing and effectiveness of Levaquin, and whether any special monitoring is needed.
If you experience signs of high blood sugar (fruity breath odour, weight loss, increased thirst, or increased need to urinate) or low blood sugar (cold sweat, cool pale skin, headache, or weakness) contact your doctor.
Drowsiness/reduced alertness: Levofloxacin may cause dizziness or lightheadedness, which can affect the mental abilities needed to drive or operate machinery. Avoid driving or performing other potentially hazardous tasks until you have determined how Levaquin affects you.
Kidney function: The safety of levofloxacin for people with decreased kidney function has not been studied. Because levofloxacin is removed by the body mostly by the kidneys, it is possible that Kidney Disease or reduced kidney function may cause Levaquin to build up in the body, causing side effects. If you have reduced kidney function or kidney disease, discuss with your doctor how Levaquin may affect your medical condition, how your medical condition may affect the dosing and effectiveness of Levaquin, and whether any special monitoring is needed.
Liver function: Very rarely, levofloxacin may reduce liver function and can cause liver failure. If you have liver problems, discuss with your doctor how Levaquin may affect your medical condition, how your medical condition may affect the dosing and effectiveness of Levaquin, and whether any special monitoring is needed. Your doctor may want to test your liver function regularly with blood tests while you are taking Levaquin.
Myasthenia Gravis: Myasthenia gravis is an autoimmune disorder that causes specific muscle weakness. Levofloxacin may make muscle weakness worse. If you have myasthenia gravis, discuss with your doctor how Levaquin may affect your medical condition, how your medical condition may affect the dosing and effectiveness of Levaquin, and whether any special monitoring is needed.
Nervous system disorders: Rare cases of disorders that affect the nervous system have been reported by people taking Levaquin. If you are experiencing seizures, tremors, confusion, hallucinations, depression, agitation, anxiety, paranoia, or disturbing thoughts, contact your doctor immediately.
Peripheral Neuropathy: Although rare, levofloxacin may affect the nerves of the skin and limbs. If you start to feel pain, burning, tingling, numbness, or weakness, stop taking Levaquin and contact your doctor immediately.
Seizures: There have been occasional reports of seizures occurring with quinolone antibiotics. Seizures are more likely to occur when higher doses of Levaquin are taken. If you have a history of Epilepsy or medical conditions that increase the risk of seizures, discuss with your doctor how Levaquin may affect your medical condition, how your medical condition may affect the dosing and effectiveness of Levaquin, and whether any special monitoring is needed.
Stomach problems (especially colitis): In rare cases, levofloxacin may cause a condition called pseudomembranous colitis (serious antibiotic-induced diarrhea). Therefore, if diarrhea occurs after starting the medication, contact your doctor.
Sun sensitivity: People who take levofloxacin are more likely to experience Sunburn. While taking levofloxacin, be careful if you spend time in the sun. Avoid exposure to excessive sunlight, including sunlamps and tanning beds, and use sunblock with minimum SPF 15. Stop taking levofloxacin if severe sun sensitivity occurs.
Tendinitis: Levofloxacin, like other antibiotics in this group, may increase the chance of tendon injury. In some cases, this effect may be long-lasting. Injuries occur more commonly for seniors, people taking corticosteroid medications, and people who have had a kidney, heart, or lung transplant. If you feel any new pain in the tendons, stop taking levofloxacin, avoid physical exercise, and consult your doctor.
Pregnancy: Levaquin should not be used during pregnancy unless the benefits outweigh the risks. If you become pregnant while taking Levaquin, contact your doctor immediately.
Breast-feeding: Levaquin may pass into breast milk. If you are a breast-feeding mother and are taking levofloxacin, it may affect your baby. Talk to your doctor about whether you should continue breast-feeding.
Children and adolescents: The safety and effectiveness of levofloxacin for children and adolescents younger than 18 years of age have not been established. Children who have not reached puberty should not take levofloxacin, since it may affect the normal growth of bones.
Seniors: People over the age of 65 are more likely to experience serious side effects of levofloxacin, such as tendinitis, liver toxicity, or heart problems.
All material © 1996-2021 MediResource Inc. Terms and conditions of use. The contents herein are for informational purposes only. Always seek the advice of your physician or other qualified health providers with any questions you may have regarding a medical condition.
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