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Norstar TZ Tablet is an antibiotic used to treat diarrhea and dysentery caused by bacterial or parasitic infections. It works by killing the infection-causing microorganisms and stopping their growth. This helps relieve symptoms such as loose stools, abdominal pain, urgency, and supports faster recovery.

Written By Dr. Anuj Saini, MMST, MBBS,
Reviewed By Dr. Rajeev Sharma, MBA, MBBS,
Last updated on 12 May 2026 | 03:23 PM (IST)
₹50.9 MRP ₹56.2510% off 
 
 
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Norstar TZ Tablet is currently sold out
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Norflokem TZ Tablet
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Norstar TZ Tablet
Norstar TZ Tablet
strip of 10 tablets
₹50.9
₹56.25
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Same composition
Norflokem TZ Tablet
Norflokem TZ Tablet
strip of 10 tablets
by Alkem Laboratories Ltd
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₹70.1
₹5.96 per tablet

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Norstar TZ Tablet image
Norstar TZ Tablet image

Product introduction

Take Norstar TZ Tablet at least 1 hour before or at least 2 hours after a meal for best results. Take the medicine in the dose and duration advised by your doctor. Do not exceed the recommended dose, as this may have harmful effects on your body. Make sure to complete the full course of treatment even if you feel better.


The most common side effects of Norstar TZ Tablet are dizziness, nausea, headache, and abdominal cramps. If any of these side effects persist or worsen, contact your doctor for guidance. Drink sufficient fluids to ensure a proper state of hydration and adequate urinary output.


Pregnant or breastfeeding women should also consult with doctors before taking Norstar TZ Tablet. Avoid drinking alcohol, as it can cause excessive dizziness with this medicine. In cases of severe liver or kidney disease, it is advised to consult your doctor before starting treatment. Do not drive or operate heavy machinery while on treatment with this medicine.

Uses of Norstar TZ Tablet

  • Treatment of Diarrhea : Norstar TZ Tablet helps treat diarrhea by reducing loose or watery stools, along with symptoms such as abdominal cramps and urgency.
  • Treatment of Dysentery : Norstar TZ Tablet helps treat dysentery, a severe form of diarrhea characterized by blood or mucus in stools, along with abdominal pain and fever.

Benefits of Norstar TZ Tablet

Treatment of Diarrhea
Norstar TZ Tablet is used to treat diarrhea caused by bacterial or parasitic infections of the digestive tract. It works by killing the infection-causing organisms and stopping their growth. This helps reduce loose stools, abdominal cramps, and urgency. When taken as prescribed, it helps prevent recurrence and supports recovery. As a result, patients may experience improved bowel control and overall comfort.
Treatment of Dysentery
Norstar TZ Tablet is used to treat dysentery, a severe intestinal infection that may cause loose stools with blood or mucus, along with abdominal pain and fever. It works by eliminating the parasites or bacteria responsible for the infection. This helps relieve symptoms such as frequent stools, cramps, and discomfort.

Side effects of Norstar TZ Tablet

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them
Common side effects of Norstar TZ
  • Dizziness
  • Nausea
  • Headache
  • Abdominal cramp

How to use Norstar TZ Tablet

Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Norstar TZ Tablet is to be taken on an empty stomach.

How Norstar TZ Tablet works

Norstar TZ Tablet is a combination of two antibiotics: Norfloxacin and Tinidazole. Norfloxacin works by preventing the bacterial cells from dividing and repairing, thereby killing the bacteria. Tinidazole kills parasites and anaerobic bacteria that cause infections by damaging their DNA. Together, they treat your infection effectively.

Quick tips

  • Diarrhea can cause dehydration. Drink plenty of fluids to keep yourself hydrated. Consult your doctor if your diarrhea lasts for more than 48 hours.
  • It may cause dizziness and sleepiness. Do not drive or perform any activity that requires mental focus until you know how it affects you.
  • Do not take this medicine with milk or any other dairy product, as they contain calcium, which can bind to one of its ingredients and prevent it from working properly.
  • To ensure proper absorption, avoid taking antacids, iron supplements, calcium supplements, or multivitamins 2 hours before or after your dose.
  • Notify your doctor if you experience pain in your tendons, numbness, or tingling sensations.
  • Inform your doctor if you are pregnant, planning to conceive, or breastfeeding.
  • In diabetic patients, it may cause unexpected hypoglycemia (low blood sugar). Checking your blood glucose levels more frequently while taking Norstar TZ Tablet is recommended.

Safety advice

Alcohol

Alcohol

UNSAFE
Consumption of alcohol with Norstar TZ Tablet may cause a disulfiram-like reaction, leading to symptoms such as flushing, increased heart rate, low blood pressure, nausea, lightheadedness, and severe headache.
Pregnancy

Pregnancy

UNSAFE
Norstar TZ Tablet is highly unsafe during pregnancy. It can cause serious harm to the unborn baby, including birth defects and pregnancy loss. Do not use this medicine if you are pregnant or planning to become pregnant.
Breast feeding

Breast feeding

UNSAFE
Norstar TZ Tablet is unsafe to use during breastfeeding. Data suggests that the drug may cause toxicity to the baby.
Driving

Driving

UNSAFE
Norstar TZ Tablet may cause side effects that could affect your ability to drive.
Norstar TZ Tablet may make you feel drowsy or gives you problems with coordination or sensation (e.g. numbness or weakness). This may affect your driving ability.
Kidney

Kidney

CAUTION
Norstar TZ Tablet should be used with caution in patients with kidney disease. Dose adjustment may be needed.
Use of Norstar TZ Tablet is not advised in patients with severe kidney disease.
Liver

Liver

CAUTION
Norstar TZ Tablet should be used with caution in patients with severe liver disease. Dose adjustment may be needed.

Frequently asked questions

Norstar TZ Tablet is a combination of two medicines: norfloxacin and tinidazole. This medication is used to treat diarrhea and dysentery. It works by killing harmful microorganisms responsible for the infection. Together, they help treat the infection more effectively.
No. Do not stop taking Norstar TZ Tablet. Complete the full course of treatment even if you feel better. Your symptoms may improve before the infection is completely cured.
Yes, Norstar TZ Tablet is known to increase the risk of tendon rupture, most commonly affecting the Achilles tendon. Tendon problems can occur in people of all ages who take Norstar TZ Tablet, but the risk is higher in older adults, people taking steroids, or those with kidney disease. Inform your healthcare provider immediately if you hear or feel a snap or pop, experience severe pain, notice rapid or immediate bruising after an injury, or are unable to use the affected arm or leg. These symptoms may indicate a tendon rupture.
Yes, it can cause a temporary metallic taste. Chewing sugar-free gum or mints, brushing your teeth after meals, and staying well hydrated may help.
Norstar TZ Tablet should not be used in patients with a known allergy to norfloxacin, tinidazole, or any other excipient in the formulation. It should preferably be avoided in patients with a history of tendinitis or tendon rupture related to ciprofloxacin or other quinolone antibiotics. It is also generally avoided in patients with certain neurological disorders (such as a history of seizures).
No. Avoid drinking alcohol while taking Norstar TZ Tablet and for at least 3 days after completing the course. Consuming alcohol may cause a disulfiram-like reaction, with symptoms such as stomach pain, nausea, vomiting, headache, flushing, or redness of the face.
Yes, you can take ORS (oral rehydration salts) with Norstar TZ Tablet. ORS is a special combination of salts mixed with clean drinking water that helps restore fluids lost due to diarrhea.
No. Taking more than the recommended dose of Norstar TZ Tablet can increase the risk of side effects. The medicine takes time to fully take effect and treat the infection. If your diarrhea worsens or does not improve with the recommended dose, consult your doctor for re-evaluation.
Avoid taking antacids containing magnesium or aluminum at the same time as Norstar TZ Tablet. These minerals can bind to the antibiotic, reducing its absorption and potentially decreasing its effectiveness. Your doctor will usually advise taking antacids at least 2 hours before or after your antibiotic dose.
Norstar TZ Tablet is primarily eliminated through the kidneys. It is generally safe in people with normal kidney function. However, in elderly patients or those with known kidney impairment, the doctor may need to carefully adjust the dose. Staying well hydrated by drinking plenty of water while taking this medication is important.
Most patients begin to notice improvement in stomach symptoms within 24 to 48 hours of starting Norstar TZ Tablet. However, even if you feel better quickly, the infection may not be completely cleared. You must complete the entire prescribed course to prevent recurrence or antibiotic resistance.

Fact Box

Habit Forming

No

Therapeutic Class

GASTRO INTESTINAL

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Disclaimer

Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

Marketer details

Name: Cadila Pharmaceuticals Ltd
Address: Sarkhej-Dholka Road, Bhat, Ahmedabad-382 210, INDIA.

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Country of origin: India
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