Ofloxacin
Ofloxacin is a fluoroquinolone antibiotic used for urinary, gut and some respiratory infections, and as eye and ear drops.
Common brands
- Zanocin
- Oflox
- O2 (with ornidazole)
Dosage forms
- Tablet
- Suspension
- Eye/ear drops
Uses
- Urinary tract infection
- Bacterial diarrhoea
- Eye and ear infections (drops)
How it works
Blocks bacterial DNA replication.
How to take
Take with water; keep 2 hours away from antacids, calcium and iron.
Common side effects
- Nausea
- Dizziness
- Headache
Serious side effects — get medical help
- Tendon rupture
- Nerve damage
- Heart rhythm problems
- Blood sugar changes
Who should not take it
- Children and adolescents (usually)
- Epilepsy
- Previous tendon problems with quinolones
Interactions
- Antacids, iron and calcium
- Warfarin
- QT-prolonging drugs
Pregnancy & breastfeeding
Avoid in pregnancy and breastfeeding.
Alcohol & driving
May cause dizziness; avoid driving if affected.
Storage
Store below 30°C.
Used for these conditions
Prescribed by
Brands available in India
Frequently asked questions
What is Ofloxacin used for?
Urinary tract infection, Bacterial diarrhoea, Eye and ear infections (drops)
What are the side effects of Ofloxacin?
Nausea, Dizziness, Headache
How should I take Ofloxacin?
Take with water; keep 2 hours away from antacids, calcium and iron.
Who should not take Ofloxacin?
Children and adolescents (usually), Epilepsy, Previous tendon problems with quinolones
Medically reviewed by
Medical review pending
Last updated
11 October 2026
Sources
- National List of Essential Medicines (NLEM) 2022, MoHFW
- National Formulary of India, Indian Pharmacopoeia Commission
- CDSCO approved drug information
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.