Nizatidine use while Breastfeeding
Drugs containing Nizatidine: Axid, Axid AR, Axid Oral Solution, Axid Pulvules
Medically reviewed by Drugs.com. Last updated on Oct 22, 2018.
Nizatidine Levels and Effects while Breastfeeding
Summary of Use during Lactation
Because of the low levels of nizatidine in breastmilk, amounts ingested by the infant are small and would not be expected to cause any adverse effects in breastfed infants. No special precautions are required. Histamine H2-antagonists with more extensive use might be preferred in newborns.
Maternal Levels.Three women who had been breastfeeding for 3 to 8 months were given nizatidine 150 mg orally every 12 hours for 5 doses. Milk nizatidine was measured at several times after the first and fifth doses. Peak milk levels of about 1.2 mg/L occurred about 2 hours after the dose. The mothers excreted a combined average of 96 mcg (range 55 to 137 mcg) of nizatidine into breast milk over the 12 hours after the first and last doses which was less than 0.1% of the mothers' total dose. The half-life in milk averaged less than 2 hours.
Infant Levels. Relevant published information was not found as of the revision date.
Effects in Breastfed Infants
Relevant published information was not found as of the revision date.
Effects on Lactation and Breastmilk
Histamine H2-receptor blockade is known to stimulate prolactin secretion. No reports of hyperlproactinemia, galactorrhea or effects on breastfeeding women caused by nizatadine were found as of the revision date. The maternal prolactin level in a mother with established lactation may not affect her ability to breastfeed.
Alternate Drugs to Consider
1. Obermeyer BD, Bergstrom RF, Callaghan JT et al. Secretion of nizatidine into human breast milk after single and multiple doses. Clin Pharmacol Ther. 1990;47:724-30. PMID: 1972674
2. Knigge UP. Histaminergic regulation of prolactin secretion. Dan Med Bull. 1990;37:109-24. PMID: 2188799
CAS Registry Number
Histamine H2 Antagonists
LactMed Record Number
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- Drug class: H2 antagonists