Why is this medication prescribed?
Levofloxacin (Levaquin®) is an antibiotic that belongs to the fluroquinolone class of medications.  In CF, ciprofloxacin is used to treat lung infections caused by specific bacteria - for example Burkholderia cepacia.

How does this medication work?
Levofloxacin works by decreasing the amount of bacteria in the lungs.

What is the usual dose?
Levofloxacin is available in a tablet form. The usual dose for an adult with CF is 750 mg once daily by mouth.

How should this medication be taken?
You may take levofloxacin with or without food. You may take this drug with non-dairy food if it upsets your stomach. Store the tablet at room temperature away from heat, moisture and direct light.

Finish taking all of your medication even if you start to feel better after taking a few doses. Do not stop unless your doctor tells you to.

What should I do if I miss a dose?
Do not double any dose. If you forget to take a dose, take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and take the next scheduled dose.

What should I expect from this medication?
You may or may not experience side effects. These side effects may disappear but let your doctor know if they are severe or if they last for more than 2 days. These include nausea, diarrhea, vomiting, abdominal pain, or headache, but tell us if you have any other side effects as well.

Contact your doctor as soon as possible if you experience rash, hives, difficulty breathing, numbness, reduced urine output, tingling, or a yellow tinge in your skin or eyes.

Levofloxacin can cause your skin to become more sensitive to sunlight. Limit the amount of time you spend in the sun until you know how this drug affects you. When you are in the sun, keep your body covered with clothing and use sunblock (preparations with zinc oxide) on exposed skin.

Tell your doctor of any drug allergies and previous allergic reactions with drugs before using levofloxacin.

If you are pregnant or think you might be pregnant, talk to your doctor before starting any antibiotics.

Levofloxacin can interact with certain medications if they are taken at the same time. Examples are antacids, calcium, iron or zinc containing products. Avoid taking levofloxacin at the same time as these prodcuts. Take levofloxacin 2 hours before or 2 hours after these products.