Rs.136for 1 strip(s) (15 tablet sr each)
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Composition FOR Urifast 100mg Tablet SR

Nitrofurantoin(100mg)

food interaction for Urifast Tablet SR

alcohol interaction for Urifast Tablet SR

pregnancy interaction for Urifast Tablet SR

lactation interaction for Urifast Tablet SR

food
alcohol
pregnancy
lactation
Urifast SR Tablet should be taken with or after food.
None
CAUTION
It is not known whether it is safe to consume alcohol with Urifast SR Tablet. Please consult your doctor.
CONSULT YOUR DOCTOR
Urifast SR Tablet is generally considered safe to use during pregnancy. Animal studies do not indicate harmful effects. However, there are limited human studies.
SAFE IF PRESCRIBED
Urifast SR Tablet may be unsafe to use during breastfeeding. Limited human data suggests that the drug may pass into the breastmilk and harm the baby. It should be used only if the expected benefit outweighs the potential risk. Please consult your doctor.
CONSULT YOUR DOCTOR

SALT INFORMATION FOR Urifast 100mg Tablet SR

Nitrofurantoin(100mg)

Urifast tablet sr uses

{med_name} is used in the treatment and prevention of bacterial infections of urinary tract.

How urifast tablet sr works

Urifast SR Tablet works by entering the bacteria that cause urinary tract infections (UTIs). Inside these bacteria, the medicine changes into active forms that damage essential parts of the bacterial cell, such as its DNA and proteins. Because of this damage, the bacteria cannot grow, repair themselves, or survive, which helps clear the infection from the urinary tract.

Common side effects of urifast tablet sr

Nausea, Vomiting, Diarrhea

SUBSTITUTES FOR Urifast Tablet SR

133 Substitutes
133 Substitutes
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Expert advice FOR Urifast Tablet SR

  • Nitrofurantoin treats and prevents uncomplicated urinary tract infections.
  • Finish the prescribed course of the medicine, even if you start to feel better. Stopping it early may make the infection come back and harder to treat.
  • Take it with food to avoid nausea, which is a common side effect.
  • It can turn your urine a dark yellow or brown colour. This is normal and nothing to worry about.
  • Do not take it for longer or more often than prescribed by your doctor.

Frequently asked questions FOR Urifast 100mg Tablet SR

Nitrofurantoin

Q. How long does Urifast SR Tablet take to work on a UTI?
Urifast SR Tablet starts acting quickly, but you will not start feeling better immediately after taking it. It may take a few days (2-3 days) before you see any improvement in your symptoms. If you do not start feeling better within 3 days of starting Urifast SR Tablet or your condition worsens, contact your doctor. It is important to complete the full course of Urifast SR Tablet as advised by your doctor, even if you start feeling better.
Q. What happens if you take Urifast SR Tablet without food?
You should take Urifast SR Tablet with your meal or straightaway after the meal. Taking with food helps in absorption of medicine so that it works better. If you take it without food, you are likely to get an upset stomach. The symptoms include nausea, vomiting, diarrhoea, and loss of appetite may also occur. Therefore, to avoid unpleasant side effects, take it exactly as prescribed by your doctor.
Q. Does Urifast SR Tablet make your urine orange?
Urifast SR Tablet may turn your urine brown or dark yellow in colour. However, you need not worry as this is usually temporary and completely harmless effect. It will disappear once you stop taking Urifast SR Tablet. Consult your doctor if you are not sure or still have any concern, but do not stop taking Urifast SR Tablet.
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Q. Can Urifast SR Tablet give you a yeast infection?
Yes, some people may get a fungal or yeast infection known as ‘thrush’ after taking Urifast SR Tablet. This is because antibiotics kill the ‘good bacteria’ which help in preventing thrush. You should inform your doctor if you get vaginal itching or discharge after taking Urifast SR Tablet or soon after stopping it.
Q. Is Urifast SR Tablet a strong antibiotic?
Yes, Urifast SR Tablet is a strong antibiotic (or broad spectrum antibiotic), which means that it is effective against a wide variety of urinary bacteria. It is important that Urifast SR Tablet should be given to treat or prevent infections that are proven to be caused by susceptible bacteria. This is usually evaluated by a culture test which demonstrates a range of bacteria which cannot grow in the prence of an antibiotic. Urifast SR Tablet has seen to be effective against UTI caused by Escherichia coli, Enteroccus faecalis, Klebsiella species, Enterobacter species, Staphylococcus species: (eg S. aureus, S. saprophyticus, S. epidermidis). Some strains of Enterobacter and Klebsiella are resistant to Urifast SR Tablet.

Content on this page was last updated on 19 January, 2026, by Dr. Sachin Gupta (MD Pharmacology, MBBS)