Lastacaft Warnings and Precautions

If you are using Lastacaft for treating eye allergies, it is important to understand some safety tips for how to effectively use these drops. Some of the warnings with Lastacaft include precautions against contaminating the dropper and what to do if you wear contact lenses. Also, you may not be able to use this medication if you have certain allergies or are breastfeeding.

What Should I Tell My Healthcare Provider?

You should talk with your healthcare provider prior to using Lastacaft™ (alcaftadine) if you:
  • Use contact lenses
  • Have any allergies, including to foods, dyes, or preservatives
  • Are pregnant or thinking of becoming pregnant
  • Are breastfeeding.
Make sure to tell your healthcare provider about any other medications you are taking, including prescription and nonprescription medicines, vitamins, and herbal supplements.

Specific Precautions and Warnings for Lastacaft

Some warnings and precautions to be aware of prior to using this medicine include the following:
  • If you wear contact lenses, you must remove them to use the eye drops. In order to prevent the lens from absorbing the preservative used in Lastacaft, 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.
  • To prevent contamination of the drops, do not touch the tip of the dropper to any surface, including the surface of the eye.
  • Lastacaft is considered a pregnancy Category B medication. This means that it is probably safe for use during pregnancy, although the full risks are currently unknown (see Lastacaft and Pregnancy).
  • It is unknown if Lastacaft passes through breast milk. Therefore, if you are breastfeeding or plan to start, discuss this with your healthcare provider prior to using the drug (see Lastacaft and Breastfeeding).
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Lastacaft Medication Information

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