Alcaftadine Dosage

If you have itchy eyes caused by allergies, a healthcare provider may prescribe alcaftadine. The dosage of this medication is standard for everyone -- one drop in each eye once daily. If you wear contact lenses, make sure to remove them before using the drops and wait at least 10 minutes after using the medication before reinserting the lenses.

An Introduction to Your Dosage of Alcaftadine

There is only one standard recommended dose of alcaftadine (Lastacaft™), regardless of your weight, age, or the severity of your allergies. As is always the case, do not adjust your dosage unless your healthcare provider specifically tells you to do so.

Alcaftadine Dosing for Eye Allergies

The recommended alcaftadine dosage for treating eye allergy symptoms in adults and children age two and older is one drop in each eye once daily. You can use this medication at any time of the day, but you should try to consistently use alcaftadine at the same time each day.

General Information on Using Alcaftadine

Some considerations to keep in mind during treatment with alcaftadine include the following:
  • In order to prevent contamination of the drops, do not touch the tip of the dropper to any surface, including the surface of the eye.
  • If you wear soft contact lenses, you must remove them to use the drops. In order to prevent the lens from absorbing the medication, make sure to wait at least 10 minutes after using the drops before reinserting the lens. Do not wear your contact lenses if your eye is still red.
  • For alcaftadine to work properly, it must be used as directed.
  • If you are unsure about anything related to your dosage or alcaftadine dosing in general, please talk with your healthcare provider, nurse, or pharmacist.
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Alcaftadine Drug Information

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