Medicines & Supplements A to Z > Ofloxacin


Last updated on 06/07/2021.

Overview   |   Dosage   |    Side Effects   |   Precautions  |   Tips  |   Where To Buy  


CHINESE NAME: 氧氟沙星;歐弗洒辛

BRAND NAME(S) IN HONG KONG: Flovid, Tarivid, Novecin

DRUG CLASS: Antibiotics

SUB CLASS: Fluoroquinolone

USED FOR: Acute bacterial exacerbation of chronic bronchitis (ABECB), prostatitis, skin and soft tissue infections, pneumonia, respiratory tract infections, urinary tract infections (UTIs), Traveller’s diarrhoea, outer ear infections, bacterial conjunctivitis, corneal ulcer, otitis media

– 100 mg, 200 mg, 400 mg (tablets)
– 200 mg (capsules)
– 0.3% (eye/ear drops)
– 2 mg/ml (injections)

What is Ofloxacin for?

Ofloxacin belongs to a class of medications called fluoroquinolone antibiotics. It kills bacteria by inhibiting DNA replications. Oral Ofloxacin is used to treat bacterial infections including pneumonia and respiratory tract infections, and infections of the skin, bladder and the prostate. Oflxacin can also treat ear and eye infections. Ofloxacin does not work for virus or fungus infections.

How to use it?

Ofloxacin is available as tablets and capsules, which are taken by mouth. Oral Ofloxacin can be taken with or without food. It is also available as eye drops and ear drops which are applied topically to the affected area. Wash your hands before and after applying eye drops or ear drops.

Acute bacterial exacerbation of chronic bronchitis
Oral: 400 mg every 12 hours for 10 days.

Oral: 300 mg every 12 hours for 6 weeks.

Traveller’s diarrhoea
Oral: 300 mg every 12 hours for 1-3 days.

Community acquired pneumonia
Oral: 400 mg every 12 hours for 10 days.

Complicated urinary tract infections
Infusion: 200 mg every 12 hours for 10 days.

What are the side effects of Ofloxacin?

Common side effects of Ofloxacin include diarrhoea, eye discomfort, fungal infection, dizziness, headache, nausea and vomiting, visual and taste alterations, and allergic skin reactions.

Who should not take Ofloxacin?

– People allergic to Ofloxacin or any component of the formulation.
– Anyone who is allergic to quinolone antibiotics.

Pharmacist Tips:

– Take Levofloxacin 2 hours before or 2 hours after taking minerals, such as Aluminium, Calcium, Iron, Magnesium and Zinc, and products containing these minerals, since these may bind with Quinolones in the gastrointestinal tract.
– This medication can make you dizzy. Avoid driving or operating machinery until you know how you respond to Rifaximin.
– Ensure adequate water intake.

Common dosing schedule:
Ofloxacin can be taken with or without food.

This schedule is for reference only, adjustments may be made according to individual needs.

Some common medications Ofloxacin may interact with:
– Non-steroidal anti-inflammatory drugs, e.g. Ibuprofen, Ketorolac, Mefenamic Acid
– Minerals including Magnesium, Calcium, Aluminium, Zinc and Iron
– Tricyclic antidepressants e.g. Amitriptyline, Doxepin

Please notify your doctor or pharmacist if you are taking the above medication, dosage adjustments might be needed.

Where to buy Ofloxacin in Hong Kong?

In Hong Kong, Ofloxacin is a prescription only medicine, and requires a prescription from a doctor to be purchased in a pharmacy. It can also be obtained from doctors. To find a pharmacy near you, refer to the list of pharmacies (“Authorized Sellers of Poisons”) from the Hong Kong Department of Health.

For more information about drug names and ingredients, you can visit Hong Kong’s Drug Office at

Need more information?

For detailed information about the use of Ofloxacin in children, pregnancy and breastfeeding, and for questions about drug interactions, please check with your pharmacist or doctor.

Disclaimer: our goal is to provide you with the most relevant drug information and common dosage for Hong Kong. This information does not constitute medical advice. For specific treatment recommendations and advice, always discuss with your doctor or pharmacist, and follow the instructions included with your specific medicine.