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Animal studies on Zaditor and breastfeeding have shown that the medication passes through breast milk when given by mouth. However, it is not known whether the drug also passes through breast milk in humans. If you are taking this drug while breastfeeding, make sure to watch for any side effects in your infant.

Is Using Zaditor While Breastfeeding Safe?

Zaditor® (ketotifen ophthalmic solution) is a non-prescription antihistamine eyedrop used to treat eye allergies. At this time, it is unknown if this medication passes through breast milk in humans. If you are breastfeeding, you should talk with your healthcare provider before taking Zaditor.
 

What Does the Research Say?

Studies have shown that ketotifen, the active ingredient in Zaditor, passes through breast milk in rats when given by mouth, rather than as an eyedrop. No studies have been done to see if the medication passes through breast milk in humans.
 
Because Zaditor is an eyedrop, little of the medication reaches the bloodstream. Based on this information, it is unlikely that a significant amount of the drug would reach the breast milk. However, the possibility of problems cannot be entirely eliminated, since this medication has never been studied in breastfeeding women. If your healthcare provider recommends taking Zaditor while breastfeeding, be sure to watch for any side effects in your child, such as irritability or drowsiness.
 

Talking With Your Healthcare Provider About Breastfeeding and Zaditor

You should talk with your healthcare provider about Zaditor and breastfeeding. Each woman's situation is different, and you and your healthcare provider understand your situation best. After considering what you want and expect, as well as your current health situation, the two of you can make a shared decision about Zaditor and breastfeeding that is right for you.
 
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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