Tinidazole

Anti-amoebic and antibacterial
PRESCRIPTION ONLY IN INDIA

Tinidazole is a anti-amoebic and antibacterial found in 1 medicine sold in India, such as Norflox-TZ. Below: what it is for, how it works, how to take it, side effects, interactions and pregnancy advice.

What it is used for

Treats amoebic dysentery, giardia and some gut and vaginal infections.

How it works

A nitroimidazole for amoebic dysentery, giardia, trichomonas and bacterial vaginosis, often as a single or short course.

How to take it

Taken with food, usually 2 g once or for a few days.

Common side effects

  • Metallic taste
  • Nausea
  • Loss of appetite

Get medical help straight away if

  • Numbness or tingling in hands or feet
  • Fits
  • Severe diarrhoea
  • Dark urine with yellow skin

Be careful

Avoid alcohol during and for 3 days after the course.

Other medicines and interactions

Do not drink alcohol during the course and for 3 days after (severe flushing, vomiting and palpitations). Strengthens warfarin; can raise lithium levels.

Pregnancy and breastfeeding

Avoid in the first three months of pregnancy; stop breastfeeding for 3 days after a dose.

Combination medicines that contain Tinidazole (1)

Norflox-TZ

Common questions

What is Tinidazole used for?

Treats amoebic dysentery, giardia and some gut and vaginal infections.

How does Tinidazole work?

A nitroimidazole for amoebic dysentery, giardia, trichomonas and bacterial vaginosis, often as a single or short course.

How should I take Tinidazole?

Taken with food, usually 2 g once or for a few days.

What are the side effects of Tinidazole?

Common: Metallic taste, nausea, loss of appetite. Get help straight away for: Numbness or tingling in hands or feet, fits, severe diarrhoea, dark urine with yellow skin.

Does Tinidazole interact with other medicines?

Do not drink alcohol during the course and for 3 days after (severe flushing, vomiting and palpitations). Strengthens warfarin; can raise lithium levels.

Is Tinidazole safe in pregnancy and breastfeeding?

Avoid in the first three months of pregnancy; stop breastfeeding for 3 days after a dose.

Does Tinidazole need a prescription in India?

Yes. In India it is a prescription (Schedule H) medicine, so a pharmacist should sell it only with a doctor's prescription.

Which brands contain Tinidazole?

Norflox-TZ.

Sources and further reading

NHS (UK National Health Service) and MedlinePlus (US National Library of Medicine) are free, reviewed medicine guides. Brand names and doses there may differ from India.

Last reviewed 31 October 2026. Written by Satya Babu from standard prescribing information.

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For information only, not medical advice. This page is a plain-language summary written from standard prescribing information and the public guides linked below. Brands sometimes change their formula, so always check the composition printed on the pack. Doses here are typical adult doses; yours may differ. Do not start, stop or change a medicine without your doctor or pharmacist, and keep all medicines away from children. In an emergency, call 112 (India) or your local emergency number.