What Are Moxifloxacin Eye Drops Used For?

Moxifloxacin eye drops are approved to treat bacterial conjunctivitis, a type of "pink eye" caused by bacteria. The antibiotic medication can be used in children as young as one year old, and it works by interfering with two important enzymes necessary for bacteria to multiply. Off-label uses of moxifloxacin eye drops include using the medicine to treat other types of eye infections.

An Overview of Uses for Moxifloxacin Eye Drops

An antibiotic medication, moxifloxacin eye drops (Moxeza™, Vigamox®) are used for treating "pink eye" due to bacterial infections. Pink eye is a layman's term for conjunctivitis, which is inflammation of the conjunctiva, the thin piece of tissue that covers the whites of the eyes and the inner eyelids. When the conjunctiva becomes inflamed, it looks pink or red from a distance.
There are several reasons why the conjunctiva can become inflamed. The two most common are because of an infection with a virus (known as viral conjunctivitis) or an allergic reaction (allergic conjunctivitis). An infection with bacteria (bacterial conjunctivitis) or something that irritates the eye, such as an eyelash, can also cause the conjunctiva to become inflamed.
Because moxifloxacin eye drops are an antibiotic, they are used only for treating bacterial conjunctivitis. This drug will not be effective for treating viral eye infections or eye redness due to other causes.

How Does This Medicine Work?

Moxifloxacin eye drops belong to a class of antibiotics known as fluoroquinolones, also known as "quinolones." These medications work by interfering with two important bacterial enzymes: topoisomerase IV and DNA gyrase. These enzymes are necessary for bacteria to copy and repair DNA, which are important steps required for bacteria to multiply.
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Moxifloxacin Eye Drop Information

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