What does it do?

Ornidazole is an antibiotic used to treat and prevent bacterial infections.

Before you start

  • Tell your doctor if you have ever had a seizure.
  • Tell your doctor if you are pregnant, planning to become pregnant, or breastfeeding.

How should you take it?

Take ornidazole regularly as directed with a glass of water. You can take it with or without food. Keep taking it until the course is finished, even if you start to feel better.

What if you forget a dose?

Take the missed dose as soon as possible and continue as directed.

Can you take other medicines?

Tell your pharmacist or doctor about all medicines or treatments that you may be taking, including vitamins, herbal products or recreational drugs.

What side effects might you notice?

Side EffectsRecommended action


Changes in vision

Tell your doctor immediately

Confusion, drowsiness or weakness

Numbness or tingling of the fingers or toes

Tell your doctor

Vaginal itch or discharge (vaginal thrush)

Small white sores in mouth, furry tongue (oral thrush)

Tell your health professional


Loss of appetite, metallic taste

Tell your doctor if troublesome

Stomach upset

Take with food and tell your doctor if symptoms continue

If you notice any other effects, discuss them with your doctor or pharmacist.