Nitrofurantoin Tablets

Nitrofurantoin is used to treat urinary tract infections. This medicine is an antibiotic. It works by killing bacteria or preventing ...
Read more




Clinical Consultation

We're going to ask you some brief questions about your health and history in order to assess if a prescription is appropriate for you.

If our prescriber is unable to approve your order for any reason, you will receive a full refund




Please make a selection

Please note that whilst you are able to request the medicine strength and size required,
we will only be able to send on approval from our in house pharmacist.

If yes, when were you last prescribed this item?
Starts at £11.89
  • No prescription required
  • Online assessment
  • No hidden fees

You’re almost there!

It is the prescribers duty to ensure that the medicine is being used safely and appropriately. please answer a few questions about yourself to help us process your request.

- Manesha

Customer Service Team

Confidentiality & Authenticity Assured

  • Fully Regulated UK Pharmacy
  • Authentic UK sourced medicines only.
  • Trading for more than 10 years.
  • Information Governance lead ensures all data is confidential

Need Help With Your Questionnaire?

Our customer service team is on hand Monday-Friday to help you with your queries.

Please call us on 08009788956 or
email us at:


UK licenced

100% Discretion
& Confidentiality

Cancel any

About Nitrofurantoin Tablets

Nitrofurantoin is used to treat urinary tract infections. This medicine is an antibiotic. It works by killing bacteria or preventing their growth. However, this medicine will not work for colds, flu, or other virus infections. This medicine is available only with your doctor's prescription.

Patient should be monitored closely for signs of hepatitis (particularly in long term use). Urine may be coloured yellow or brown after taking Nitrofurantoin. Patients on Nitrofurantoin are susceptible to false positive urinary glucose (if tested for reducing substances).

People also ask

What is Nitrofurantoin?

Nitrofurantoin is an antibiotic for the treatment of urinary tract infections (UTIs) such as kidney infections and cystitis. The unique nature of this antibiotic allows it to get filtered into your blood and concentrate at the site of infection. However, Nitrofurantoin is not effective for other types of infection.

How Does Nitrofurantoin Work?

Unlike other antibiotics, Nitrofurantoin gets filtered out of the blood and into your urine. This allows the medicine to concentrate in the site of infection among the bacteria which cause UTIs. Nitrofurantoin enters the bacteria’s cells and damages their genetic material to stop their growth.

Due to its nature, Nitrofurantoin does not work for any other type of infection such as viral infections like common colds or flu.

What Are the Benefits of Taking Nitrofurantoin?

Nitrofurantoin is an antibiotic that kills the growth of bacteria that cause infections in the urinary tract. It is indicated for the treatment of kidney infections and cystitis.

How Do I Use Nitrofurantoin?

Nitrofurantoin tablets are to be taken orally with food or milk, exactly as prescribed by your doctor. it is recommended to take Nitrofurantoin with some food or snacks to avoid upsetting your stomach. The tablets need to be swallowed whole without chewing or crushing. For maximum benefits, Nitrofurantoin should be taken at even intervals of time, preferably at the same time every day to help develop the habit.

Ensure to take this medication daily until the prescribed amount is finished. Missing doses or stopping intake too early may cause infection to relapse.

Nitrofurantoin Tablets Dosage

Your dosage is dependent on your doctor’s prescription. However, the typical dosage of Nitrofurantoin to treat UTI is 50 mg 4 times a day or 100 mg twice a day. If your infection is more severe, you doctor may increase your dosage to 100 mg 4 times a day.

Take Nitrofurantoin as even intervals throughout the day. If you take two doses, space them out by 12 hours, taking one at 8 am and the other one at 8 pm. If you are prescribed to take it 4 times a day, take it in the morning, midday, late afternoon and before sleep.

Do not stop intake before the course is complete even if you start feeling better. Your infection might come back if you stop dosage too early.

Nitrofurantoin Precautions and Side Effects

Side Effects

Nitrofurantoin has certain side effects on some individuals. These side effects may not occur at all or may be nonserious in most cases. However, if they persist or worsen, you should contact your doctor right away.

Some common side effects of Nitrofurantoin include:

  • Nausea
  • Vomiting and diarrhoea
  • loss of appetite
  • headaches
  • dizziness or drowsiness

You may notice your urine turning dark yellow or brownish in colour while on Nitrofurantoin. This is not a cause for concern as it is a normal reaction of the medicine. The colour of your urine will return to normal once you stop intake. 

Nitrofurantoin may also have some more serious but uncommon side effects. If you notice any of the side effects mentioned below, get immediate medical attention.

  • Chest pain
  • difficulty breathing
  • coughing
  • chills or a high temperature (38C or above)
  • pale poo and dark pee together
  • yellow skin or the yellowing of whites in your eyes
  • signs of nerve problems
  • signs of blood problems such as bruising or bleeding such as nosebleeds, sore throat, a high temperature and feeling tired
  • bad headaches
  • Serious allergic reactions

Since everyone reacts to medicines differently, this may not be a complete list of all possible side effects. If you notice other effects not mentioned above, contact your pharmacist or physician for more information.


Before taking Nitrofurantoin, you should:

  • Tell your doctor about all past allergies especially if you are allergic to Nitrofurantoin or other inactive ingredients in the medicine.
  • Discuss your extensive medical history with your doctor especially if you have or have had blood disorders like anaemia, kidney or liver problems, eye diseases, nerve problems, lung diseases, diabetes, mineral imbalance or deficiency of vitamin B.


While taking Nitrofurantoin you should follow some precautions such as:

  • Do not drive, operate machinery or engage in activities that require full alertness while on this medicine. Nitrofurantoin may cause dizziness which is worsened by substances such as alcohol and marijuana.
  • Discuss your alcohol intake with your doctor and consult them about using marijuana while on Nitrofurantoin.
  • Avoid unnecessary prolonged exposure to sunlight as Nitrofurantoin may make your skin more prone to skin sensitivity under sunlight. Wear appropriate clothing, sunblock and sunglasses to prevent adverse effects.
  • Avoid the use of magnesium trisilicate-containing antacids as they may bind with Nitrofurantoin and prevent its full absorption.

High-Risk Groups

High-risk groups for Nitrofurantoin include:

  • People allergic to Nitrofurantoin or other such antibiotics.
  • People with rare inherited conditions such as porphyria or glucose-6-phosphate dehydrogenase (G6PD) deficiency
  • Individuals who suffer from severe kidney disease
  • Diabetic people
  • The elderly (above 65)
  • People with anaemia or deficiency of Vitamin B

Nitrofurantoin Indications

Nitrofurantoin is indicated in the treatment of:

  • Urinary tract infections (UTIs) such as cystitis and kidney infections

How Do I Buy Nitrofurantoin Online?

You can fill out an online prescription form and buy Nitrofurantoin tablets for cystitis medication in the UK from [this website]. Nitrofurantoin antibiotic should be taken exactly as directed by your physician. Any misuse of the drug can have potentially harmful effects on your health and make you prone to side effects.
Left Arrow
Left Arrow