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Why is this medication prescribed?
Norfloxacin is an antibiotic used to treat certain infections caused by bacteria, such as gonorrhea, prostate, and urinary tract infections. Antibiotics will not work for colds, flu, or other viral infections.
This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information.
How should this medicine be used?
Norfloxacin comes as a tablet to take by mouth. It is usually taken every 12 hours (twice a day) for 7-28 days. To treat gonorrhea, a single dose is taken. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take norfloxacin exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.
The tablets should be taken with a full glass of water.
Continue to take norfloxacin even if you feel well. Do not stop taking norfloxacin without talking to your doctor.
Other uses for this medicine
Norfloxacin also is used to treat stomach infections. Talk to your doctor about the possible risks of using this drug for your condition.
What special precautions should I follow?
Before taking norfloxacin,
- tell your doctor and pharmacist if you are allergic to norfloxacin, ciprofloxacin (Cipro), enoxacin (Penetrex), levofloxacin (Levaquin), lomefloxacin (Maxaquin), ofloxacin (Floxin), sparfloxacin (Zagam), cinoxacin (Cinobac), nalidixic acid (NegGram), or any other drugs.
- tell your doctor and pharmacist what prescription and nonprescription medications you are taking, especially other antibiotics, anticoagulants ('blood thinners') such as warfarin (Coumadin), cancer chemotherapy agents, cimetidine (Tagamet), cyclosporine (Neoral, Sandimmune), medications with caffeine (NoDoz, Vivarin), nitrofurantoin (Macrodantin), probenecid (Benemid), sucralfate (Carafate), theophylline (Theo-Dur), and vitamins.
- do not take with antacids (Mylanta, Maalox), didanosine (Videx) chewable/buffered tablets or oral solution, iron or zinc supplements, or vitamins that contain iron or zinc. Take them 2 hours before or after norfloxacin.
- tell your doctor if you have or have ever had kidney or liver disease, epilepsy, colitis, stomach problems, vision problems, heart disease, myasthenia gravis, or history of stroke.
- tell your doctor if you are pregnant, plan to become pregnant, or are breast-feeding. If you become pregnant while taking norfloxacin, call your doctor immediately.
- if you are having surgery, including dental surgery, tell the doctor or dentist that you are taking norfloxacin.
- you should know that this drug may cause dizziness, lightheadedness, and tiredness. Do not drive a car or work on dangerous machines until you know how norfloxacin will affect you.
- plan to avoid unnecessary or prolonged exposure to sunlight and to wear protective clothing, sunglasses, and sunscreen. Norfloxacin may make your skin sensitive to sunlight.
What special dietary instructions should I follow?
Take norfloxacin at least 1 hour before or 2 hours after meals or drinking or eating milk or dairy products. Take with a full glass of water. Drink at least eight full glasses of water or other liquid every day. Do not drink or eat a lot of caffeine-containing products as coffee, tea, cola, or chocolate. Norfloxacin increases nervousness, sleeplessness, heart pounding, and anxiety caused by caffeine.
What should I do if I forget a dose?
Take the missed dose as soon as you remember it. However, if it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule. Do not take a double dose to make up for a missed one.
What side effects can this medication cause?
Although side effects from norfloxacin are not common, they can occur. Tell your doctor if any of these symptoms are severe or do not go away:
- upset stomach
- diarrhea
- vomiting
- stomach pain
- headache
- restlessness
If you experience any of the following symptoms, call your doctor immediately:
- skin rash
- itching
- hives
- difficulty breathing or swallowing
- swelling of the face or throat
- yellowing of the skin or eyes
- dark urine
- pale or dark stools
- blood in urine
- unusual tiredness
- sunburn or blistering
- seizures or convulsions
- vaginal infection
- vision changes
- pain, swelling, or rupture of a tendon in the shoulder, hand, or heel
What storage conditions are needed for this medicine?
Keep this medication in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture (not in the bathroom). Keep away from light. Throw away any medication that is outdated or no longer needed. Talk to your pharmacist about the proper disposal of your medication.
In case of emergency/overdose
In case of overdose, call your local poison controlcenter at 1-800-222-1222. If the victim has collapsedor is not breathing, call local emergency services at911.
What other information should I know?
Keep all appointments with your doctor and the laboratory. Your doctor will order certain lab tests to check your response to norfloxacin.
Do not let anyone else take your medication. Your prescription is probably not refillable. If you still have symptoms of infection after you finish the norfloxacin, call your doctor.
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