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A sty (sometimes spelled stye) is a tender, painful red bump located at the base of an eyelash or under or inside the eyelid. A sty results from a localized infection of the glands or a hair follicle of the eyelid. The medical term for a sty is hordeolum (plural, hordeola).
The term external hordeolum refers to a sty that develops at the base of an eyelash (the hair follicle), whereas the term internal hordeolum refers to a sty that develops in a meibomian gland, a gland located on the underside of the eyelid that secretes an oily substance onto the eyeball.
A sty is sometimes confused with a chalazion (see below), which is a cyst or a specific type of scarring due to chronic inflammation arising in the meibomian glands of the eyelid. A chalazion may develop when the infection of a sty persists over time, resulting in scarring around the meibomian gland. In contrast to a sty, a chalazion is usually painless. ...
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Besifloxacin is in a group of antibiotics called fluoroquinolones (flor-o-KWIN-o-lones). Besifloxacin fights bacteria in the body.
Besifloxacin ophthalmic (for the eyes) is used to treat bacterial infections of the eyes.
Besifloxacin ophthalmic may also be used for other purposes not listed in this medication guide.
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have a serious side effect such as:
Less serious side effects may include:
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
You should not use this medication if you are allergic to besifloxacin.
Use this medication exactly as prescribed by your doctor. Do not use it in larger amounts or for longer than recommended. Follow the directions on your prescription label.
Serious side effects of besifloxacin ophthalmic may include eye drainage or crusting, severe eye irritation, feeling like there is something in your eye, eye redness or swelling, fever, or any signs of new infection.
Keep using this medication for the full prescribed length of time. Your symptoms may improve before the infection is completely cleared.
Do not use this medication while you are wearing contact lenses. This medication may contain a preservative that can be absorbed by soft contact lenses. Wait at least 15 minutes after using besifloxacin ophthalmic before putting your contact lenses in.
You should not wear contact lenses while you still have active symptoms of the eye infection you are treating.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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