Do NOT use Xalatan if:

you are allergic to latanoprost.

To make sure you can safely use Xalatan, tell your doctor if you have swelling or infection of your eye.

Xalatan may cause a gradual change in the color of your eyes or eyelids and lashes, as well as increased growth or thickness of your eyelashes. These color changes, usually an increase in brown pigment, occur slowly and you may not notice them for months or years. Color changes may be permanent even after your treatment ends, and may occur only in the eye being treated. This could result in a cosmetic difference in eye or eyelash color from one eye to the other.

FDA pregnancy category C. It is not known whether Xalatan will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant while using this medication. It is not known whether latanoprost passes into breast milk or if it could harm a nursing baby. Do not use Xalatan without telling your doctor if you are breast-feeding a baby.

Important safety information:

Do not use Xalatan while wearing contact lenses. This medication may contain a preservative that can discolor soft contact lenses. Wait at least 15 minutes after using Xalatan before putting your contact lenses in.

Xalatan may cause a gradual change in the color of your eyes or eyelids and lashes, as well as increased growth or thickness of your eyelashes. These color changes, usually an increase in brown pigment, occur slowly and you may not notice them for months or years. Color changes may be permanent even after your treatment ends, and may occur only in the eye being treated. This could result in a cosmetic difference in eye or eyelash color from one eye to the other.

Do not allow the tip of the dropper to touch any surface, including your 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.

After using Xalatan, wait at least 5 minutes before using any other eye drops that your doctor has prescribed.

Avoid using too much of Xalatan, which can actually make it less effective in lowering the pressure inside the eye.

Do not use other eye medications unless your doctor tells you to.

What are the possible side effects of latanoprost ophthalmic (Xalatan)?

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.

Stop using latanoprost ophthalmic and call your doctor at once if you have any of these serious side effects:
redness, swelling, itching, or pain in or around your eye;
oozing or discharge from your eye;
increased sensitivity to light;
vision changes; or
chest pain.