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Ciloxan (Ciprofloxacin)



Active ingredient: Ciprofloxacin

Dosages: 5ml

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What is Ciloxan (Ciprofloxacin)?

Ciloxan is an antibiotic eye drop or ointment used primarily to treat bacterial infections of the eye such as conjunctivitis (commonly known as pink eye) and corneal ulcers. The active ingredient, ciprofloxacin, belongs to the fluoroquinolone class of antibiotics, which works by killing bacteria that cause infection. This ophthalmic solution is effective against a wide range of bacteria and is typically prescribed when an infection is suspected to be caused by bacteria susceptible to this antibiotic. It is commonly recommended for short-term treatment, providing rapid relief and recovery from symptoms of eye infections.

There is a generic version available for Ciloxan, which contains the same active ingredient, ciprofloxacin, and provides an equally effective treatment option at a potentially lower cost. The generic versions are widely prescribed and are considered just as safe and effective as the branded medication. Choosing the generic version can be a cost-effective way for patients to manage bacterial eye infections while ensuring they receive a treatment that maintains the high standards of the original branded formulation.

Frequently Asked Questions about Ciloxan (Ciprofloxacin)

What is Ciloxan (Ciprofloxacin) 0.3 Ophthalmic Solution used for?

Ciloxan (Ciprofloxacin) 0.3% Ophthalmic Solution is an antibiotic eye drop used to treat bacterial infections of the eye, such as conjunctivitis (pink eye) and corneal ulcers. It targets a broad spectrum of bacteria by interfering with their DNA replication process, effectively stopping their growth and spread. This makes the ophthalmic solution a potent treatment for quickly alleviating symptoms of eye infections and aiding in the recovery of eye health.

How to use Ciloxan eye drops?

To properly use Ciloxan eye drops, follow these steps:

  • Wash your hands thoroughly before each use.
  • Shake the bottle gently.
  • Tilt your head back, look up, and pull down your lower eyelid to create a small pocket.
  • Hold the dropper directly over your eye and instill the prescribed number of drops.
  • Close your eye for a minute or two and gently press on the corner of your eye near the nose to prevent the solution from draining away.
  • Replace the cap securely. Avoid touching the dropper tip to any surface to keep it clean.

What does Ciloxan do?

Ciprofloxacin, the active ingredient in Ciloxan, functions by blocking bacterial DNA gyrase and topoisomerase IV. These enzymes are vital for bacterial DNA replication, transcription, repair, and recombination. By inhibiting these enzymes, the drug disrupts the bacteria’s ability to multiply and repair, leading to their elimination.

This precise action of these eye drops provides quick and effective relief from the typical symptoms of eye infections, including redness, swelling, and pain. The result is a reduction in the uncomfortable and potentially vision-threatening effects of bacterial infections, such as conjunctivitis and corneal ulcers. The targeted approach of this ophthalmic solution ensures that the treatment is direct and potent, minimizing the bacterial load quickly and helping to restore normal eye function and comfort.

How long does Ciloxan take to work?

The effectiveness of Ciloxan in reducing symptoms of eye infections can usually be noticed within 48 hours of the first application. Complete resolution of the infection depends on the severity and the specific bacteria involved but typically occurs within 5 to 7 days. It is important to continue using these drops for the full prescribed duration even if symptoms improve, to ensure all bacteria are eradicated and to prevent recurrence.

What is Ciloxan eye drops dosage?

The typical dosage for Ciloxan (Ciprofloxacin) 0.3% Ophthalmic Solution is one or two drops instilled into the affected eye(s) every 2 to 4 hours for the first two days, then less frequently, about four times daily for the next five days as symptoms improve. The exact dosage and duration of treatment will depend on the severity of the infection and should be followed as prescribed by your healthcare provider.

Is there a generic version of Ciloxan eye drops?

Yes, there is a generic version of Ciloxan eye drops available, which contains the same active ingredient, ciprofloxacin, at the same concentration (0.3%). The generic versions are considered equally effective and safe, providing a more cost-effective alternative to the branded eye drops without sacrificing quality or efficacy.

Ciloxan eye drops for pink eye: Are they effective?

Ciloxan eye drops are highly effective in treating bacterial forms of pink eye, which is characterized by redness, itching, and discharge. Since pink eye can also be caused by viruses or allergies, it’s important to have a proper diagnosis to ensure that this ophthalmic solution is suitable, as it only treats bacterial infections.

What are the side effects of Ciloxan?

While Ciloxan (Ciprofloxacin) 0.3% is generally well-tolerated by most users, like any medication, it can cause side effects. The most common side effects experienced are typically mild and transient, occurring at the site of application. These include:

  • Irritation or discomfort: A sense of mild irritation or discomfort in the eye shortly after the drops are applied.
  • Burning sensation: A brief burning feeling that usually subsides quickly after the drops are administered.
  • Blurred vision: Temporary blurring of vision that can occur immediately following application, which generally clears within a few minutes.

Less frequently, users may experience a sensation as if something is in the eye, which can cause additional discomfort or urge to rub the eyes.

Ciloxan vs Ciprofloxacin: What’s the difference?

“Ciloxan” is the brand name for the eye drop formulation of ciprofloxacin, an antibiotic. Both Ciloxan and its generic versions contain the same active ingredient, ciprofloxacin 0.3% ophthalmic solution, and serve the same purpose—to treat bacterial infections of the eye like conjunctivitis and corneal ulcers. The primary differences between Ciloxan and generic ciprofloxacin lie in the brand recognition, packaging, and price. However, these differences do not affect the medical efficacy, allowing patients to choose based on cost or preference without compromising the quality of treatment.

What is the storage requirement for Ciloxan (Ciprofloxacin) 0.3% Solution?

Ciloxan should be stored at room temperature, away from moisture and heat. Keep the bottle tightly closed when not in use, and do not freeze the medication. Proper storage ensures the effectiveness of the eye drops for the duration of their use.

Can Ciloxan be used with contact lenses?

It is advised not to wear contact lenses while you are experiencing symptoms of an eye infection or while using Ciloxan eye drops. Bacterial infections can attach to the surface of contact lenses and potentially worsen the infection or delay healing. Always consult with a healthcare provider regarding when it is safe to resume wearing contact lenses following treatment with this ophthalmic solution.

Where can I learn more about Ciloxan eye drops?

You can find more in-depth information about Ciloxan (Ciprofloxacin) here. You may also speak with your pharmacist or healthcare provider to get thorough insights into this medication.


The information provided on this website is for general informational purposes only and should not be considered as medical advice. Readers are strongly encouraged to consult with a licensed healthcare professional for any concerns regarding their eye health or medication. The content here is not intended to replace professional medical consultation, diagnosis, or treatment. Reliance on any information provided by this website is solely at the reader’s own risk. Always seek the guidance of a qualified healthcare provider with any questions you may have regarding a medical condition

By Dr. Daryl Bliss, MD
Medically Reviewed by Dr. Kelly Hunt
Last Updated: June 29, 2024