Olopatadine is an antihistamine that reduces the natural chemical histamine in the body. Histamine can produce symptoms of itching or watery eyes.

Olopatadine ophthalmic is used to treat ocular (eye) symptoms of allergic conditions, such as inflammation, itching, watering, and burning.

Olopatadine ophthalmic may also be used for other purposes not listed in this medication guide.

Before using olopatadine ophthalmic, tell your doctor if you have any type of infection in your eye.

Do not use olopatadine ophthalmic while you are wearing contact lenses. Olopatadine ophthalmic may contain a preservative that can be absorbed by soft contact lenses. Wait at least 10 minutes after using olopatadine before putting your contact lenses in.

Avoid wearing contact lenses while your eyes are red or irritated.

Avoid using other eye medications not prescribed by your doctor.

Do not allow the dropper tip to touch any surface, including the eyes or hands. If the dropper becomes contaminated it could cause an infection in your eye, which can lead to vision loss or serious damage to the eye.

Do not use the eye drops if the liquid has changed colors or has particles in it. Call your doctor for a new prescription.

Stop using olopatadine ophthalmic and call your doctor at once if you have severe redness, swelling, burning, stinging, drainage, crusting, or other irritation when using the eye drops.

You should not use this medication if you are allergic to olopatadine.

Before using olopatadine ophthalmic, tell your doctor if you have any type of infection in your eye.

FDA pregnancy category C. This medication may be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment.

It is not known whether olopatadine ophthalmic passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.

Do not use this medication in a child younger than 3 years old without the advice of a doctor.