contains the active ingredient, norfloxacin
Consumer Medicine Information
For a copy of a large print leaflet Ph: 1800 195 055
Read this leaflet carefully before taking your medicine Ask your doctor or pharmacist if you do not understand anything or are worried about taking your medicine.
This leaflet answers some common questions about norfloxacin.
It does not contain all the available information.
It does not take the place of talking to your doctor or pharmacist.
The information in this leaflet was last updated on the date listed on the last page. Some more recent information on your medicine may be available. Speak to your pharmacist or doctor to obtain the most up-to-date information.
All medicines have risks and benefits. Your doctor has weighed the risks of you using this medicine against the benefits they expect it will have for you.
Keep this leaflet with your medicine. You may want to read it again
The name of your medicine is GenRx Norfloxacin. It contains the active ingredient, norfloxacin.
Norfloxacin is an antibiotic used to treat some bacterial infections, such as:
Norfloxacin is also used for patients who get frequent urinary tract infections. Norfloxacin may help stop these infections from coming back.
Urinary tract infections are caused by the presence of bacteria in the urinary system. The bacteria often come from the intestines where they are necessary for normal function.
In women, the most common infection involves the bladder and is called cystitis. In men, the infection may involve the prostate, which is called prostatitis. In both men and women, the bacteria may travel up to the kidneys and infect them.
The symptoms of a urinary tract infection may include an urge to urinate frequently and in small amounts, and painful burning when passing urine. Urinary tract infections should be treated to avoid the kidneys being infected.
Norfloxacin belongs to a group of antibiotics called quinolones (pronounced kwin - a - lones).
Norfloxacin works by killing the bacteria causing the infection.
Your doctor may have prescribed norfloxacin for another reason.
Ask your doctor if you have any questions about norfloxacin has been prescribed for you.
Do not take norfloxacin if:
Do not give norfloxacin to children or to growing teenagers, unless advised by the doctor. The safety of norfloxacin has not been adequately studied in these people.
If you are not sure whether you should start taking norfloxacin, talk to your doctor.
Tell your doctor if:
If you have not told your doctor about any of the above, tell them before you take any norfloxacin.
Tell your doctor if you are taking any other medicines, including medicines that you buy without a prescription from your pharmacy, supermarket or health food shop.
Some medicines and norfloxacin may interfere with each other. These include:
These medicines may be affected by norfloxacin, or may affect how well it works. You may need different amounts of your medicine, or you may need to take different medicines.
Some medicines may interfere with the absorption of norfloxacin. These include:
You can still take these medicines while you are taking norfloxacin. However, you must take norfloxacin at least 2 hours before or 2 hours after taking any of these medicines to make sure there is no problem with absorption.
Your doctor or pharmacist will tell you if you are taking any of these and they will have more information on other medicines to be careful with or avoid while taking norfloxacin.
Follow all directions given to you by your doctor or pharmacist carefully. They may be different to the information in this leaflet.
If you do not understand any written instructions, ask your doctor or pharmacist for help.
Take norfloxacin only when prescribed by your doctor. Your doctor will tell you how many tablets you need to take each day. This depends on your condition and whether or not you are taking any other medicines.
The usual dose of norfloxacin 400mg tablets is one tablet twice a day.
Swallow the tablets whole with a glass of water.
Follow all directions given to you by your doctor carefully. They may differ from the information contained in this leaflet.
If you do not understand the instructions on the box, ask your doctor or pharmacist for help.
Take norfloxacin 400mg tablets about 12 hours apart.
Taking norfloxacin at evenly spaced times ensures that there is a reasonably constant amount in the blood and urine. This means that the medicine will fight the infection more effectively.
Take norfloxacin on an empty stomach, at least one hour before food or 2 hours after food or after taking milk and/or other dairy products.
This will make sure the tablets will have a better chance of fighting the infection, because food can interfere with the absorption of norfloxacin.
Do not take norfloxacin at the same time as taking iron or zinc supplements (or multivitamins containing them), antacids, sucralfate, or didanosine (ddI).
Taking norfloxacin at the same time or even within 2 hours of taking these can interfere with the absorption norfloxacin, so that the chance of norfloxacin fighting the infection won't be as good.
Continue norfloxacin 400mg tablets until you finish the pack or until your doctor recommends.
For treatment of urinary tract infections:
The length of treatment may vary from 3 to 10 days.
To help stop frequent urinary tract infections from coming back:
You may need to take norfloxacin for up to 12 weeks.
For infections of the stomach or intestines:
The length of treatment is usually 5 days.
Do not stop taking your tablets because you are feeling better. If you do not complete the full course prescribed by your doctor, some of the bacteria causing your infection may not be killed. These bacteria may continue to grow and multiply so that your infection may not clear completely or it may return.
If it is almost time for your next dose, skip the dose you missed and take your next dose when you are meant to. Otherwise, take it as soon as you remember, and then go back to taking your tablet(s) as you would normally. If you are not sure whether to skip the dose, talk to your doctor or pharmacist.
Do not take a double dose to make up for the dose that you missed. If you have trouble remembering to take your tablets, ask your pharmacist for some hints.
Immediately telephone your doctor or Poisons Information Centre (telephone 13 11 26) for advice if you think that you or anyone else may have taken too much norfloxacin. Do this even if there are no signs of discomfort or poisoning. Keep telephone numbers of these places handy.
If you become pregnant while taking norfloxacin, tell your doctor immediately.
If you develop severe diarrhoea, tell your doctor or pharmacist immediately. Do this even if it occurs several weeks after norfloxacin has been stopped. Diarrhoea may mean that you have a serious condition affecting your bowel. You may need urgent medical care. Do not take any diarrhoea medicine without first checking with your doctor.
Drink plenty of water or fluids while taking norfloxacin. This will help to prevent crystals forming in the urine, which can cause kidney problems. However, this is not a common problem.
If you are about to be started on any new medicine, tell your doctor and pharmacist that you are taking norfloxacin. Tell all the doctors, dentists and pharmacists who are treating you that you are taking norfloxacin.
Do not stop taking your tablets because you are feeling better, unless advised by your doctor. If you do not complete the full course prescribed by your doctor, some of the bacteria causing your infection may not be killed. These bacteria may continue to grow and multiply so that your infection may not clear completely or it may return.
Do not give norfloxacin to anyone else, even if they have the same condition as you.
Be careful driving or operating machinery until you know how norfloxacin affects you. Norfloxacin may cause dizziness or light-headedness in some people. Make sure you know how you react to norfloxacin before you drive a car, operate machinery, or do anything else that could be dangerous if you are dizzy or light-headed. If you drink alcohol, your dizziness or light-headedness may be worse.
Protect your skin when you are in the sun, especially between 10 am and 3 pm. Norfloxacin may cause your skin to be much more sensitive to sunlight than it is normally. You may get severely sunburnt even though you've only been in the sun for a short time. Symptoms of severe sunburn include redness, itching, pain, swelling or blistering.
If outdoors, wear protective clothing and use a 15+ sunscreen. If your skin does appear to be burning, stop taking norfloxacin and tell your doctor.
Be careful if you consume large amounts of caffeine while you are taking norfloxacin. Norfloxacin may increase the chance of you getting side effects from caffeine, for example sleeplessness, anxiety, tremor, increased heartbeat and headache. Caffeine is contained in coffee, tea, cola drinks and some tablets.
Tell your doctor or pharmacist as soon as possible if you do not feel well while you are taking norfloxacin. Norfloxacin helps most people with infections of the urinary tract, stomach, or intestines but it may have unwanted side effects in a few people. All medicines can have side effects. Sometimes they are serious, most of the time they are not. You may need medical treatment if you get some of the side effects.
Very rarely serious reactions involving the liver (hepatitis) have been reported. If you develop dark urine, pale stools, itching and/or yellowing of the skin or whites of the eyes (jaundice), during or after treatment with norfloxacin tell your doctor immediately.
Ask your doctor or pharmacist to answer any questions you may have.
Tell your doctor if you notice any of the following and they worry you:
These are the more common side effects of norfloxacin, usually mild.
Tell your doctor immediately if you notice any of the following:
These may be serious side effects. You may need urgent medical attention. Serious side effects are rare.
If any of the following happen, stop taking norfloxacin and tell your doctor immediately or go to the accident and emergency at your nearest hospital:
These are all serious side effects. You may need urgent medical attention or hospitalisation. These side effects are rare.
Tell your doctor immediately if you notice any of the following side effects, particularly if they occur several weeks after stopping treatment with norfloxacin:
These are rare but serious side effects. Norfloxacin can cause bacteria, which are normally present in the bowel and normally harmless, to multiply and therefore cause the above symptoms. You may need urgent medical attention. However, this side effect is rare.
Do not take any diarrhoea medicine without first checking with your doctor.
Other side effects not listed above may also occur in some patients. Tell your doctor if you notice any other effects.
Do not be alarmed by this list of possible side effects. You may not experience any of them.
Keep your tablets in the blister pack until it is time to take them. If you take the tablets out of the blister pack they may not keep well.
Keep your medicine in a cool dry place where the temperature stays below 30°C.
Do not store it or any other medicine in the bathroom or near a sink. Do not leave it in the car or on windowsills. Heat and dampness can destroy some medicines.
Keep it where children cannot reach it. A locked cupboard at least one-and-a-half metres above the ground is a good place to store medicines.
If your doctor tells you to stop taking the tablets, or the tablets have passed their expiry date, ask your pharmacist what to do with any that are left over.
Pharmaceutical companies are not in a position to give people an individual diagnosis or medical advice. Your doctor or pharmacist is the best person to give you advice on the treatment of your condition.
GenRx Norfloxacin 400mg tablets are oval, white, marked N|F on one side and > on the other.
Available in bottles of 14 tablets.
The tablets do not contain gluten, lactose, sucrose, tartrazine or any other azo dyes.
AUST R 155546
Aspen Pharma Pty Ltd
34-36 Chandos Street
St Leonards NSW 2065
Apotex Pty Ltd
16 Giffnock Avenue
Macquarie Park NSW 2113
GenRx is a registered trade mark of Apotex Pty Ltd.
This leaflet was updated in January 2012.
Published by MIMS June 2012
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