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As an antibiotic, Zymar helps treat conjunctivitis ("pink eye") that is caused by bacteria. It works to treat this eye infection by interfering with bacteria's ability to multiply. Zymar is approved for use in adults and children who are at least one year old. Occasionally, other bacterial infections besides conjunctivitis are treated with Zymar; however, this is an unapproved use.

What Is Zymar Used For?

Zymar® (gatifloxacin) is an antibiotic eye drop used to treat bacterial conjunctivitis, commonly called "pink eye." It belongs to a group of medications called fluoroquinolones, or "quinolones" for short.
Conjunctivitis is the medical term used to describe inflammation or infection of the conjunctiva -- the thin membrane that lines the whites of the eyes and the inner eyelids. When the conjunctiva becomes inflamed, it looks pink or red. This is the reason conjunctivitis is commonly referred to as "pink eye."
There are many possible causes of conjunctivitis. The most common cause is an infection, which can be either viral or bacterial. Zymar will only treat bacterial conjunctivitis. It will not cure a viral infection.
Conjunctivitis can occur in one or both eyes. Common symptoms may include:
  • Pinkness or redness in the affected eye or eyes
  • Eye(s) that are crusted over or "stuck shut" in the morning
  • Eye itching or burning
  • A sandy or gritty feeling in the eye
  • Eye discharge, which can be watery or thick and clear or colored.
Although conjunctivitis can be uncomfortable, it rarely causes permanent vision loss or eye damage. It is highly contagious, however, so prompt medical treatment is important to prevent spread from one eye to another, or from person to person (see Pink Eye Transmission for more information about how conjunctivitis is spread).
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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