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Alcaftadine Eye Solution

What is this medication?

ALCAFTADINE (al KAF ta deen) treats allergy symptoms, such as red, itchy eyes. It works by blocking histamine, a substance released by the body during an allergic reaction. It belongs to a group of medications called antihistamines.

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This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.

COMMON BRAND NAME(S): LASTACAFT

What should I tell my care team before I take this medication?

They need to know if you have any of these conditions:

  • Wear contact lenses
  • An unusual or allergic reaction to alcaftadine, other medications, foods, dyes, or preservatives
  • Pregnant or trying to get pregnant
  • Breastfeeding

How should I use this medication?

This medication is only for use in the eye. Do not take by mouth. Follow the directions on the prescription label. Remove contact lenses prior to use. Wash hands before and after use. Tilt the head back slightly and pull down the lower eyelid with your index finger to form a pouch. Try not to touch the tip of the dropper to your eye, fingertips, or any other surface. Squeeze the prescribed number of drops (usually one drop) into the pouch. Close the eye gently. Do not blink for a minute or two. Use your medication at regular intervals. Do not use it more often than directed.

Talk to your care team about the use of this medication in children. While this medication may be prescribed for children as young as 2 years for selected conditions, precautions do apply.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.

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NOTE: This medicine is only for you. Do not share this medicine with others.

What if I miss a dose?

If you miss a dose, use it as soon as you can. If it is almost time for your next dose, use only that dose. Do not use double or extra doses.

What may interact with this medication?

Interactions are not expected. Do not use any other eye products without telling your care team.

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What should I watch for while using this medication?

Visit your care team for regular checks on your progress. Tell your care team if your symptoms do not start to get better or if they get worse.

Do not wear contact lenses if your eyes are red. If you wear soft contact lenses, wait at least 10 minutes after instilling the eye drops before putting in your contact lenses.

What side effects may I notice from receiving this medication?

Side effects that you should report to your care team as soon as possible:

  • Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
  • Change in vision
  • New or worsening eye pain, redness, irritation, or discharge

Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):

  • Eye irritation or itching

This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Where should I keep my medication?

Keep out of the reach of children and pets.

Store at room temperature between 20 and 25 degrees C (68 and 77 degrees F). Keep the container tightly closed. Get rid of any unused medication after the expiration date.

To get rid of medications that are no longer needed or have expired:

  • Take the medication to a medication take-back program. Check with your pharmacy or law enforcement to find a location.
  • If you cannot return the medication, check the label or package insert to see if the medication should be thrown out in the garbage or flushed down the toilet. If you are not sure, ask your care team. If it is safe to put it in the trash, empty the medication out of the container. Mix the medication with cat litter, dirt, coffee grounds, or other unwanted substance. Seal the mixture in a bag or container. Put it in the trash.

NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.

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Note: Introduction and Additional Common Questions written and medically approved by Cleveland Clinic professionals.

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