The text only version may be available in large print, Braille or audio CD. For further information call emc accessibility on 0800 198 5000. The product code(s) for this leaflet is: PL08553/0088.
Nitrofurantoin 50mg & 100mg Tablets
Nitrofurantoin 50mg & 100mg Tablets
1. What Nitrofurantoin Tablets are and what they are used for
2. What you need to know before you take Nitrofurantoin Tablets
3. How to take Nitrofurantoin Tablets
4. Possible side effects
5. How to store Nitrofurantoin Tablets
6. Contents of the pack and other information
Nitrofurantoin (the active ingredient) is an antibiotic.
It is used to prevent and treat infections of the bladder, kidney and other parts of the urinary tract. You must talk to your doctor if you do not feel better or if you feel worse.
Tell your doctor if you are not sure about any of the above.
Talk to your doctor or pharmacist before taking Nitrofurantoin tablets if:
The above conditions may increase the chance of developing a side effect which results in damage to the nerves, causes altered sense of feeling like pins and needles.
Talk to your doctor if you experience fatigue, yellowing of the skin or eyes, itching skin rashes, joint pain, abdominal discomfort, nausea, vomiting, loss of appetite, dark urine and pale or grey coloured stools. It may be symptoms of liver disorder.
Tell your doctor or pharmacist if you are taking, have recently taken or might take any other medicines including medicines obtained without a prescription. If they are taken with Nitrofurantoin Tablets their effect or the effect of Nitrofurantoin Tablets may be changed.
In particular, tell your doctor or pharmacist if you are taking any of the following medicines:
If you are in doubt about any of these medicines ask your doctor or pharmacist.
Nitrofurantoin may interfere with the results of some tests for glucose in the urine.
Nitrofurantoin tablets should always be taken with food or milk. This will help to avoid stomach upset and also help the absorption to make the medicine work more effectively.
If you are pregnant or breastfeeding, think you may be pregnant or are planning to have a baby, ask your doctor or pharmacist for advice before taking this medicine. As far as is known Nitrofurantoin Tablets may be used in pregnancy. However, it should not be used during labour or delivery because there is a possibility that use at this stage may affect the baby. If you want to breastfeed, please consult your doctor first.
Nitrofurantoin Tablets may cause dizziness and drowsiness. You should not drive or operate machinery if you are affected this way until such symptoms go away.
This medicine contains lactose (sugars). If you have been told by your doctor that you have an intolerance to some sugars, contact your doctor before taking this medicinal product.
Always take this medicine exactly as your doctor or pharmacist has told you. Check with your doctor or pharmacist if you are not sure.
The normal dosage depends on the type of infection you have and instructions should be written on the label provided by the pharmacist. Consult your pharmacist or doctor if these instructions are not clear.
The usual doses are:
Children over three months of age:
The dose depends on the weight of the child and will be provided by your doctor. Follow your doctor’s instructions exactly.
Children below 3 months of age should not take Nitrofurantoin Tablets.
Your doctor will watch carefully for any effects on the liver, lungs, blood or nervous system. Nitrofurantoin Tablets may interfere with the results of some tests for glucose in the urine.
Tablets should be swallowed whole. The score line is not intended for breaking the tablet. Nitrofurantoin tablets should always be taken with food or milk. Taking this medicine with food or milk makes it work more effectively.
Consult your doctor or pharmacist immediately or go to the emergency department of the nearest hospital. Always take any leftover tablets with you, as well as the container and label, so that the medical staff know what you have taken. You may experience symptoms of stomach ache, nausea and vomiting.
Do not worry. If you remember later on that day, take that day’s dose as usual. If you miss a whole day’s dose take the normal dose on the next day. Do not take a double dose to make up for a forgotten dose. If you are not sure ask your doctor or pharmacist.
Your doctor will tell you how long to take the treatment. Do not stop earlier than you are told, even if you feel better.
If you have any further questions on the use of this medicine, ask your doctor or pharmacist.
Like all medicines, this medicine can cause side effects, although not everybody gets them. Most of them are mild and disappear when you stop taking Nitrofurantoin Tablets.
All medicines can cause allergic reactions although serious allergic reactions are rare. If you notice any sudden wheeziness, difficulty in breathing, swelling of the eyelids, face or lips, rash or itching (especially affecting your whole body)
STOP TAKING your medicine and go to a doctor immediately.
If you experience any of the side effects detailed below stop taking Nitrofurantoin Tablets and consult your doctor immediately:
Please note that while taking Nitrofurantoin Tablets your urine may become coloured dark yellow or brown. This is quite normal and not a reason to stop taking the medicine.
Rare (may affect up to 1 in 1,000 people)
Not known (frequency cannot be estimated from the available data)
If you get any side effects, talk to your doctor or pharmacist. This includes any possible side effects not listed in this leaflet. You can also report side effects directly via the Yellow Card Scheme, website www.mhra.gov.uk/yellowcard or search for MHRA Yellow Card in the Google Play or Apple App Store. By reporting side effects you can help provide more information on the safety of this medicine.
Keep this medicine out of the sight and reach of children. Do not store above 25˚C. Do not open the container until you are ready to begin taking the course of treatment.
Do not use this medicine after the expiry date which is stated on the bottle/label after ‘Exp (MM/YY)’. The expiry date refers to the last day of that month. Medicines should not be disposed of via wastewater or household waste. Ask your pharmacist how to throw away medicines you no longer use. These measures will help protect the environment.
The active substance (which makes the medicine work) is Nitrofurantoin. Each tablet contains either 50mg or 100mg of nitrofurantoin. The other ingredients are: lactose, maize starch, pregelatinised maize starch, sodium starch glycollate and magnesium stearate.
Nitrofurantoin Tablets are flat, round bevelled, yellow scored tablets. Both 50 mg and 100 mg strengths are available in containers and blister packs of 28, 30, 50, 56, 60, 84, 100, 250, 500 and 1,000 tablets.
Marketing Authorisation Holder and Manufacturer
Nitrofurantoin 50mg Tablets PL 08553/0087
Nitrofurantoin 100mg Tablets PL 08553/0088
Leaflet last revised: May 2023.
© Dr. Reddy’s Laboratories (UK) Ltd
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