Allergies Home > Patanol and Breastfeeding

It is not clear if Patanol (olopatadine ophthalmic solution) passes through breast milk in humans, as no studies have been conducted on this topic. Some of the medication does reach the bloodstream, however, where it could potentially pass through breast milk. If you are using Patanol and breastfeeding, make sure to watch for any side effects in your baby.

Is Patanol Safe While Breastfeeding?

At this time, it is unknown if Patanol® (olopatadine ophthalmic solution) passes through breast milk in humans. If you are breastfeeding a child, you should talk with your healthcare provider before taking Patanol. The manufacturer recommends that this medication be used with caution in women who are breastfeeding.

What Does the Research Say?

When given by mouth, the active ingredient in Patanol passes through breast milk in rats. No studies have been done to see if it passes through breast milk in humans. Patanol is an eyedrop, and very little of the medication reaches the bloodstream. As a result, it is unlikely that a significant amount of the drug would reach the breast milk. However, the possibility of problems cannot be entirely eliminated, as this medication has never been studied in breastfeeding women. If your healthcare provider recommends taking Patanol while breastfeeding, make sure to watch for any side effects in your child, such as drowsiness or irritability.
Patanol is an antihistamine, and antihistamines can decrease levels of prolactin (a hormone important for breastfeeding). This could potentially decrease the milk supply. However, this is not expected to be a problem with Patanol, as little of the drug actually reaches the bloodstream.

Discussing Breastfeeding and Patanol With Your Healthcare Provider

You should talk with your healthcare provider about Patanol 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 that is right for you.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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