Allergies Home > Zyrtec Eye Drops Warnings and Precautions

Zyrtec Eye Drops should not be used if the solution has turned cloudy or changed color. Other warnings and precautions with Zyrtec Eye Drops apply to those who wear contact lenses and to women who are pregnant or breastfeeding. People who are allergic to any ingredient in this medication should not use it.

What Should I Tell My Healthcare Provider?

You should talk with your healthcare provider prior to using Zyrtec® Itchy Eye Drops (ketotifen ophthalmic solution) if you:
  • Have any allergies, including to food, dyes, or preservatives
  • Are breastfeeding
  • Are pregnant or thinking of becoming pregnant.
Make sure to tell your healthcare provider about any other medications you are taking, including prescription and nonprescription medicines, vitamins, and herbal supplements.

Specific Warnings and Precautions With Zyrtec Eye Drops

Precautions and warnings to be aware of prior to using Zyrtec Eye Drops 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 contact lenses, you must remove them prior to using the drops. In order to prevent the lens from absorbing the preservative in the medication, wait 10 minutes after using the drops before reinserting the lens. Do not wear your contact lenses if your eye is still red.
  • Do not use this product if the solution becomes cloudy or changes color.
  • Do not use Zyrtec Eye Drops to treat contact lens irritation.
  • This medication is only intended for use as an eye drop. It should not be taken by mouth or by injection.
  • It is unknown if Zyrtec Eye Drops 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 Ketotifen and Breastfeeding).
  • Zyrtec Eye Drops is considered a pregnancy Category C medication. This means that it might be unsafe for use during pregnancy, although the full risks are not currently known (see Ketotifen and Pregnancy).
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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