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What is Lastacaft Eye Drops (Alcaftadine) prescribed for?

Allergies are what are known to happen when your immune system reacts to something that is normally quite harmless. These triggers can include pollen, mold, animal dander, various foods, and things that can irritate your skin. When you come in contact with one of these triggers, your body begins to create a protein called Ige. And it grabs onto the allergen. This is when histamines and other chemicals get released into your blood, thus causing the symptoms you notice.

This medication is used to prevent itchy eyes that are caused by allergies. Alcaftadine, the active ingredient in Lastacaft Eye Drops, is what is called an antihistamine. This medication works by clocking the natural substances known as histamines, which cause allergic symptoms.  This medication is not to be used to treat red or irritated eyes due to wearing contact lenses. Inquire with your doctor for further details.

Remember, your dose is based on your medical background and your overall response to the treatment. If your doctor or pharmacist has given you some information in the form of a pamphlet, take the time to read up on this drug, and if you have any questions or concerns regarding this medication, please consult your doctor.

This medication is to be applied in both eyes, once a day, or as directed by your doctor.

Wash your hands before every use. Avoid contamination, do not let the dropper touch your eye or let anything touch the tip of the dropper. If you wear contact lenses, make sure to remove them before applying this medication, and do not replace for at least 10 minutes after each dose.

To apply, tilt your head back, and look upwards. Pull down the lower eyelid to create a pouch. Than hold the dropper directly over the eye and place on drop into the pouch. Look downward and gently close your eyes. Place one finger at the cover of your eye and apply gentle pressure for about 1 to 2 minutes. Try not to blink or rub your eye. Repeat these steps with your other eye.

Do not rinse the dropper; replace the dropper cap after each use.

And if you are using any other kind of eye mediation. Please wait for at least 5 minutes before applying any other medications to your eyes.


Before taking this medication, it is best to advise your doctor if you are allergic to Alcaftadine; or to any other medications or allergies in general.

Also it is best to notify your doctor of your medical history. Inform you doctor if you have had any of the following; contact lens use.

After you apply this drug, your vision may be temporarily unclear. Do not drive, use machinery, or do any activity that requires clear vision until you are sure you can perform such activities safely.

Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

If you develop an eye infection or eye injury, or require eye surgery, ask your doctor if you should continue to use your current bottle of alcaftadine eye drops or start a new bottle.

Side Effects

Some side effects may occur while taking this mediation, they are as follows; Mild and temporary burning/stinging of the eyes may occur when you apply this medication .However, if these symptoms do persist or worsen, it is best to consult with your doctor.

A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.


What happens if I suddenly stop taking this medication?

There may be a relapse in symptoms as well as side effects. You should speak your doctor before stop taking this medication.


 What is the best dosage to take?

The diagnosis with your doctor will be able to determine the best dosage for your treatment. Work with your doctor closely for dosage and dosing schedules.


 What happens if I miss a dose?

You should take the missed dose as soon you realize you have forgotten. If the forgotten dose is closer to your next scheduled dose, take the next schedule dose to avoid overlapping in dose.


 What is the best way to store this medication?

This medication is stored at room temperature and should be kept away from children and pets. Do not throw away this medication in the wastebasket. If you are uncertain how to dispose of this medication speak with your pharmacist for help in safely disposing of this medication.

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