Xalatan

1 What is Xalatan?

Brand: Xalatan

Generic: Latanoprost

Xalatan is used to treat certain kinds of glaucoma. It is also used to treat a condition called hypertension of the eye.

Xalatan appears to work by increasing the outflow of fluid from the eye. This lowers the pressure in the eye. This medicine is available only with your doctor's prescription.

2 What to Know Before Using

Before using Xalatan, you must know all about the risks and complications associated with it. This is a decision you and your doctor will make.

For this medicine, the following should be considered:

Allergies: Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.

Pediatric: Studies on this medicine have been done only in adult patients, and there is no specific information comparing the use of latanoprost in children with use in other age groups.

Geriatric: Many medicines have not been studied specifically in older people. Therefore, it may not be known whether they work exactly the same way they do in younger adults.

Although there is no specific information comparing the use of latanoprost in the elderly with use in other age groups, this medicine has been used mostly in elderly patients and is not expected to cause different side effects or problems in older people than it does in younger adults.

Pregnancy: Information about this latanoprost-ophthalmic-routePregnancy Category Explanation All Trimesters C Animal studies have shown an adverse effect and there are no adequate studies in pregnant women OR no animal studies have been conducted and there are no adequate studies in pregnant women.

Breastfeeding: There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.

Drug Interactions: Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose or other precautions may be necessary.

Tell your healthcare professional if you are taking any other prescription or nonprescription (over-the-counter [OTC]) medicine.

Other Interactions: Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.

Other Medical Problems: The presence of other medical problems may affect the use of this medicine.

Make sure you tell your doctor if you have any other medical problems, especially:

  • Eye disease, such as iritis or uveitis
  • Use of latanoprost may make the condition worse
  • Eye problems, such as loss of the lens of the eye or Intraocular lens (IOL) replacement
  • May be more prone to an adverse reaction called macular edema
  • Kidney disease or Liver disease
  • Higher blood levels of latanoprost may result, which may lead to increased side effects

3 Proper Usage

To use Xalatan properly, you must follow all instructions given by your doctor. Do not use more of it and do not use it more often than your doctor ordered. To do so may increase the chance of too much medicine being absorbed into the body and the chance of side effects.

If your doctor ordered two different eye drops to be used together, wait at least 5 minutes between the times you apply for the medicines. This will help to keep the second medicine from washing out the first one. It is important that your doctor check your eye pressure at regular visits to make certain that your glaucoma is being controlled.

Contact lenses should be removed before you use this medicine. You should wait at least 15 minutes after using the eye drops before reinserting them.

To use the eye drops: First, wash your hands. Tilt the head back and, pressing your finger gently on the skin just beneath the lower eyelid, pull the lower eyelid away from the eye to make a space.

Drop the medicine into this space. Let go of the eyelid and gently close the eyes. Do not blink. Keep the eyes closed and apply pressure to the inner corner of the eye with your finger for 1 or 2 minutes to allow the medicine to be absorbed by the eye.

Immediately after using the eye drops, wash your hands to remove any medicine that may be on them. To keep the medicine as germ-free as possible, do not touch the applicator tip to any surface (including the eye). Also, keep the container tightly closed.

Dosing: The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.

The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.

For ophthalmic solution (eye drops) dosage form:

  • For glaucoma or hypertension of the eye:
    • Adults: Use one drop in the affected eye(s) once a day in the evening.
    • Children:Use and dose must be determined by your doctor.

Missed Dose: If you miss a dose of this medicine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.

Storage: Keep out of the reach of children. Do not keep outdated medicine or medicine no longer needed. Before the bottle has been opened for the first time, store in the refrigerator. After the bottle has been opened, store at room temperature (up to 25 В°C [77 В°F]) for up to 6 weeks, or in the refrigerator.

4 Precautions to Take

In using Xalatan, you must be careful and take some precautions as advised by your doctor. While you are using Xalatan, the iris (colored part) of your treated eye(s) may slowly become browner in color.

This is more likely to happen if you have blue-brown, gray-brown, green-brown, or yellow-brown eyes. The change in color of the iris is noticeable usually within several months or years from the start of treatment with Xalatan.

In addition, there may be a darkening of eyelid skin color. Also, your eyelashes may become longer, thicker, and darker. These changes to the iris, eyelid, and lashes may be permanent even if you stop using Xalatan.

Also, these changes to the iris, eyelid, and lashes will affect only the eye being treated with latanoprost. Therefore, if only one eye is being treated, only that eye may develop darker iris, eyelid, and eyelashes and other changes to the eyelashes, and you may have differently appearing eyes.

Check with your doctor if you have any questions about this. Latanoprost may cause your eyes to become more sensitive to light than they are normal. Wearing sunglasses and avoiding too much exposure to bright light may help lessen the discomfort.

5 Potential Side Effects

Make sure you meet with your doctor in using Xalatan to avoid unwanted potential side effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur:

Less common:

  • eyelid crusting
  • redness
  • swelling
  • discomfort
  • pain

Check with your doctor as soon as possible if any of the following side effects occur:

More common:

  • blurred vision,
  • eye irritation,
  • tearing darkening of eyelid skin color increase in brown color in colored part of the eye longer, thicker, and darker eyelashes

Less common:

  • Angina pectoris or other chest pain
  • cold or flu symptoms
  • eye pain
  • pain in muscles, joints, or back
  • skin rash

Rare:

  • discharge from the eye
  • double vision or other change in vision
  • fever
  • the sensitivity of the eye to light
  • a sore throat.

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.

Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them: Other side effects not listed may also occur in some patients.

If you notice any other effects, check with your healthcare professional. Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

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