Active Ingredient

Besifloxacin

Besifloxacin is an antibiotic used to treat bacterial infections in the eye. It belongs to the fluoroquinolone class of medications.

It is typically prescribed for conditions where bacterial infection is suspected or confirmed, helping to alleviate symptoms and prevent the spread of infection.

Written By Douglas C. Goldberg, MD

Reviewed By Philip Schein, MD

Last Updated 28 Nov 2025

Available Besifloxacin Brands

Besivance Ophthalmic Solution

Strengths 5 ml

Besifloxacin Uses

Besifloxacin is primarily used for treating bacterial infections affecting the eyes. It helps in managing symptoms and promoting recovery.

Bacterial conjunctivitis
Eye infections caused by susceptible bacteria
Prevention of bacterial infections post eye surgery

How Besifloxacin Works

Besifloxacin works by inhibiting bacterial enzymes necessary for DNA replication, transcription, and repair. This action helps to stop the growth of bacteria.

By targeting specific enzymes, it effectively reduces the bacterial load in the infected area, aiding in symptom relief.

Common side effects of Besifloxacin

Not everyone experiences side effects with Besifloxacin, and many are mild and temporary. However, some common side effects may occur.

Eye irritation
Redness of the eye
Blurred vision
Eye pain
Headache
Increased tearing

If you experience serious or persistent symptoms, contact your doctor promptly.

Avoid touching the dropper tip to any surface to prevent contamination.
Do not wear contact lenses while using Besifloxacin unless advised by your doctor.
Inform your doctor of any other medications you are taking to avoid potential interactions.
Do not use Besifloxacin if you have a known allergy to fluoroquinolones.
Avoid using if you experience severe eye pain or swelling without consulting a doctor.

Always consult your healthcare provider for any concerns or unusual symptoms.

Frequently Asked Questions

What is Besifloxacin used for?

Besifloxacin is used to treat bacterial infections of the eye, such as conjunctivitis.

How does Besifloxacin work?

It works by inhibiting bacterial enzymes, stopping the growth and spread of bacteria in the eye.

Can I wear contact lenses while using Besifloxacin?

Avoid wearing contact lenses unless your doctor advises otherwise, especially if your eyes are red or irritated.

Are there any common side effects of Besifloxacin?

Common side effects include eye irritation, redness, and blurred vision, but not everyone experiences them.

Should I inform my doctor about other medications I'm taking?

Yes, always inform your doctor about any other medications to avoid potential interactions.