Norfloxacin Oral tablet
Norfloxacin Oral tablet
What is this medicine?
NORFLOXACIN (nor 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?
Take this medicine by mouth with a full glass of water. Follow the directions on the prescription label. Take this medicine on an empty stomach, at least 1 hour before or 2 hours after a meal, milk and/or other dairy products. Do not take with food. Take your medicine at regular intervals. Do not take your medicine more often than directed. Take all of your medicine as directed even if you think your are better. Do not skip doses or stop your medicine early.
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. Special care may be needed.
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
breathing problems
changes in hearing
changes in vision
confusion, hallucinations, tremor
depression or suicidal thoughts
dizziness
fever, chills
irregular heartbeat, feeling faint
joint, muscle, tendon pain or swelling
persistent headache with or without blurred vision
redness, blistering, peeling or loosening of the skin, including inside the mouth
seizures
unusually weak or tired
unusual pain, numbness, tingling, or weakness
vaginal irritation, discharge
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
bitter taste
constipation, diarrhea
headache
loss of appetite
stomach upset, nausea
trouble sleeping
What may interact with this medicine?
Do not take this medicine with any of the following medications:
cisapride
droperidol
pimozide
some medications for irregular heart rhythm
This medicine may also interact with the following medications:
antacids with aluminum, magnesium
caffeine
cyclosporine
didanosine buffered tablets or solution
digoxin
erythromycin
medicines for depression, anxiety, or psychotic disturbances
medicines for diabetes
nitrofurantoin
probenecid
some medicines for pain and swelling like ibuprofen, naproxen
sucralfate
theophylline
tizanidine
vitamins with iron or zinc
warfarin
What if I miss a dose?
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
Where should I keep my medicine?
Keep out of the reach of children.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Keep bottle closed tightly. Throw away any unused medicine after the expiration date.
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
cerebral disease
glucose-6- phosphate dehydrogenase related disorder
joint problems
irregular heartbeat
kidney disease
myasthenia gravis
seizure disorder
tendon problems
an unusual or allergic reaction to norfloxacin, 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 health care professional if your symptoms do not improve or get worse. Make sure you stay well hydrated while taking this medicine. Drink several glasses of fluids a day.
If you are a diabetic monitor your blood sugar carefully. If your blood sugar reading is unusual, stop taking this medicine and call your doctor for advice.
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 stand or sit 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 sunscreen. Do not use sun lamps or tanning beds/booths.
Do not treat diarrhea with over-the-counter products. Contact your doctor if you have diarrhea that lasts more than 2 days or if the diarrhea is severe and watery.
Avoid taking didanosine, sucralfate, antacids, or iron or zinc products within 2 hours of taking this medicine.
Updated:  
March 22, 2017