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Drugs and Lactation Database (LactMed) [Internet]. Bethesda (MD): National Library of Medicine (US); 2006-.

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Drugs and Lactation Database (LactMed) [Internet].

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Naratriptan

Last Revision: May 17, 2021.

Estimated reading time: 1 minute

CASRN: 121679-13-8

image 135035417 in the ncbi pubchem database

Drug Levels and Effects

Summary of Use during Lactation

There is minimal published experience with naratriptan during breastfeeding. If naratriptan is required by the mother of an older infant, it is not a reason to discontinue breastfeeding, but until more data become available, an alternate drug may be preferred, especially while nursing a newborn or preterm infant.

Drug Levels

Maternal Levels. One woman who was over 1 month postpartum using naratriptan to treat migraine provided one milk sample before the dose, then additional milk samples at 1, 2, 4, 8, 12 and 24 hours after a 2.5 mg dose. A peak milk level of 23.4 mcg/L occurred at 4 hours after the dose. The average milk level was 12.8 mcg/L and the half-life in milk was 6.5 hours. The infant’s daily dosage of naratriptan was 1.9 mcg/kg and the weight-adjusted infant dosage was 5% of the maternal dose.[1]

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

Relevant published information was not found as of the revision date.

Alternate Drugs to Consider

Eletriptan, Rizatriptan, Sumatriptan, Zolmitriptan

References

1.
Amundsen S, Nordeng H, Fuskevåg OM, et al. Transfer of triptans into human breast milk and estimation of infant drug exposure through breastfeeding. Basic Clin Pharmacol Toxicol. 2021;128:795–804. [PubMed: 33730376]

Substance Identification

Substance Name

Naratriptan

CAS Registry Number

121679-13-8

Drug Class

Breast Feeding

Lactation

Serotonin Receptor Agonists

Serotonin 5-HT1 Receptor Agonists

Triptans

Vasoconstrictor Agents

Disclaimer: Information presented in this database is not meant as a substitute for professional judgment. You should consult your healthcare provider for breastfeeding advice related to your particular situation. The U.S. government does not warrant or assume any liability or responsibility for the accuracy or completeness of the information on this Site.

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