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Medications

Levofloxacin injection

What is this medicine?

LEVOFLOXACIN (lee voe FLOX a sin) is a quinolone antibiotic. It is used to treat certain kinds of bacterial infections. It will not work for colds, flu, or other viral infections.

How should I use this medicine?

This medicine is for infusion into a vein. It is usually given by a health care professional in a hospital or clinic setting.

If you get this medicine at home, you will be taught how to prepare and give this medicine. Use exactly as directed. Take your medicine at regular intervals. Do not take your medicine more often than directed.

It is important that you put your used needles and syringes in a special sharps container. Do not put them in a trash can. If you do not have a sharps container, call your pharmacist or healthcare provider to get one.

A special MedGuide will be given to you by the pharmacist with each prescription and refill. Be sure to read this information carefully each time.

Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for children as young as 6 months for selected conditions, precautions do apply.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:

  • allergic reactions like skin rash or hives, swelling of the face, lips, or tongue

  • anxious

  • breathing problems

  • confusion

  • depressed mood

  • diarrhea

  • dizziness

  • fast, irregular heartbeat

  • hallucination, loss of contact with reality

  • joint, muscle, or tendon pain or swelling

  • muscle weakness

  • pain, tingling, numbness in the hands or feet

  • seizures

  • signs and symptoms of high blood sugar such as dizziness; dry mouth; dry skin; fruity breath; nausea; stomach pain; increased hunger or thirst; increased urination

  • signs and symptoms of liver injury like dark yellow or brown urine; general ill feeling or flu-like symptoms; light-colored stools; loss of appetite; nausea; right upper belly pain; unusually weak or tired; yellowing of the eyes or skin

  • signs and symptoms of low blood sugar such as feeling anxious; confusion; dizziness; increased hunger; unusually weak or tired; sweating; shakiness; cold; irritable; headache; blurred vision; fast heartbeat; loss of consciousness

  • suicidal thoughts or other mood changes

  • sunburn

  • unusually weak or tired

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

  • constipation

  • dry mouth

  • headache

  • nausea, vomiting

  • pain, irritation at the site of injection

  • trouble sleeping

What may interact with this medicine?

Do not take this medicine with any of the following medications:

  • bepridil

  • certain medicines for depression, anxiety, or psychotic disturbances like pimozide, thioridazine, and ziprasidone

  • certain medicines for irregular heart beat like dofetilide and dronedarone

  • cisapride

  • halofantrine

This medicine may also interact with the following medications:

  • birth control pills

  • certain medicines for diabetes, like glipizide, glyburide, or insulin

  • NSAIDS, medicines for pain and inflammation, like ibuprofen or naproxen

  • steroid medicines like prednisone or cortisone

  • theophylline

  • warfarin

What if I miss a dose?

If you miss a dose, use it as soon as you can. If it is almost time for your next dose, use only that dose. Do not use double or extra doses.

Where should I keep my medicine?

Keep out of the reach of children.

If you are using this medicine at home, you will be instructed on how to store this medicine. Throw away any unused medicine after the expiration date on the label.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:

  • bone problems

  • diabetes

  • history of low levels of potassium in the blood

  • irregular heartbeat

  • joint problems

  • kidney disease

  • liver disease

  • myasthenia gravis

  • seizures

  • tendon problems

  • tingling of the fingers or toes, or other nerve disorder

  • an unusual or allergic reaction to levofloxacin, other quinolone antibiotics, foods, dyes, or preservatives

  • pregnant or trying to get pregnant

  • breast-feeding

What should I watch for while using this medicine?

Tell your doctor or healthcare professional if your symptoms do not start to get better or if they get worse.

Do not treat diarrhea with over the counter products. Contact your doctor if you have diarrhea that lasts more than 2 days or if it is severe and watery.

Check with your doctor or health care professional if you get an attack of severe diarrhea, nausea and vomiting, or if you sweat a lot. The loss of too much body fluid can make it dangerous for you to take this medicine.

You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not sit or stand up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells.

This medicine can make you more sensitive to the sun. Keep out of the sun. If you cannot avoid being in the sun, wear protective clothing and use a sunscreen. Do not use sun lamps or tanning beds/booths. Contact your doctor if you get a sunburn.

If you are a diabetic monitor your blood glucose carefully. If you get an unusual reading stop taking this medicine and call your doctor right away.


NOTE:This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider. Copyright© 2018 Elsevier