Is Pimozide safe while breastfeeding?
Here is what LactMed, the Drugs and Lactation Database published by the U.S. National Institute of Child Health and Human Development (NICHD), reports about Pimozide. The text below is quoted from that source — it is not our own verdict.
Summary of use during breastfeeding
Because there is no published experience with pimozide during breastfeeding, other drugs are preferred.
Effects on the breastfed infant
Relevant published information was not found as of the revision date.
Effects on milk supply
Pimozide can cause hyperprolactinemia.[1,2] The hyperprolactinemia is caused by the drug's dopamine-blocking action in the tuberoinfundibular pathway.[3]
Levels in milk
Maternal Levels. Relevant published information was not found as of the revision date.
Infant Levels. Relevant published information was not found as of the revision date.
Alternatives LactMed lists
Source: Drugs and Lactation Database (LactMed), National Institute of Child Health and Human Development (NICHD), via NCBI Bookshelf, record “Pimozide” (LM214). LactMed on NCBI Bookshelf. LactMed is a registered trademark of the U.S. Department of Health and Human Services.
Educational summary of an authoritative source — not medical advice. Never start, stop, or change a medicine while breastfeeding without confirming with your doctor.