O2

O2 is a tablet made by Medley Pharmaceuticals that contains Ofloxacin + Ornidazole (200 mg + 500 mg). It is commonly used for: Urinary tract infection; Bacterial diarrhoea; Eye and ear infections (drops).

Composition

Ofloxacin + Ornidazole

Strength

200 mg + 500 mg

Form

Tablet

Manufacturer

Medley Pharmaceuticals

System

Allopathy

Type

Combination

Prescription

Prescription onlyPrescription required

Check the current MRP printed on the pack or with your pharmacist; prices change and many are capped by NPPA.

Uses

  • Urinary tract infection
  • Bacterial diarrhoea
  • Eye and ear infections (drops)

About Ofloxacin

Ofloxacin: How to take

Take with water; keep 2 hours away from antacids, calcium and iron.

Ofloxacin: Common side effects

  • Nausea
  • Dizziness
  • Headache

Ofloxacin: Serious side effects — get medical help

  • Tendon rupture
  • Nerve damage
  • Heart rhythm problems
  • Blood sugar changes

Ofloxacin: Who should not take it

  • Children and adolescents (usually)
  • Epilepsy
  • Previous tendon problems with quinolones

Ofloxacin: Interactions

  • Antacids, iron and calcium
  • Warfarin
  • QT-prolonging drugs

Ofloxacin: Pregnancy & breastfeeding

Avoid in pregnancy and breastfeeding.

Ofloxacin: Alcohol & driving

May cause dizziness; avoid driving if affected.

Ofloxacin: Storage

Store below 30°C.

Other brands of Ofloxacin

Frequently asked questions

What is O2 used for?

Urinary tract infection, Bacterial diarrhoea, Eye and ear infections (drops)

What is the composition of O2?

Ofloxacin + Ornidazole 200 mg + 500 mg

What are the side effects of O2?

Nausea, Dizziness, Headache

Who makes O2?

Medley Pharmaceuticals

Medically reviewed by

Medical review pending

Last updated

11 October 2026

Sources

  • Manufacturer product information and pack label
  • CDSCO approved drug information
  • National Formulary of India

This information is for general awareness and does not replace advice from a qualified doctor. Do not start, stop or change any medicine without medical advice.

This information is for general awareness and does not replace advice from a qualified doctor. Do not start, stop or change any medicine without medical advice.