Epinastine use while Breastfeeding

Drugs containing Epinastine: Elestat

Epinastine Levels and Effects while Breastfeeding

Summary of Use during Lactation

Because absorption from the eye is limited, epinastine would not be expected to cause any adverse effects in breastfed infants. To substantially diminish the amount of drug that reaches the breastmilk after using eye drops, place pressure over the tear duct by the corner of the eye for 1 minute or more, then remove the excess solution with an absorbent tissue.

Drug Levels

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.

Effects in Breastfed Infants

There are no reports of infants breastfed during maternal therapy with epinastine. In one telephone follow-up study, mothers reported irritability and colicky symptoms in 10% of infants exposed to various antihistamines and drowsiness was reported in 1.6% of infants. None of the reactions required medical attention.[1]

Effects on Lactation and Breastmilk

Antihistamines in relatively high doses given by injection can decrease basal serum prolactin in nonlactating women and in early postpartum women.[2][3] However, suckling-induced prolactin secretion is not affected by antihistamine pretreatment of postpartum mothers.[2] The prolactin level in a mother with established lactation may not affect her ability to breastfeed. Low ophthalmic doses of epinastine are unlikely to have the same effect on serum prolactin.

Alternate Drugs to Consider

Desloratadine, Fexofenadine, Loratadine

References

1. Ito S, Blajchman A, Stephenson M et al. Prospective follow-up of adverse reactions in breast-fed infants exposed to maternal medication. Am J Obstet Gynecol. 1993;168:1393-9. PMID: 8498418

2. Messinis IE, Souvatzoglou A, Fais N et al. Histamine H1 receptor participation in the control of prolactin secretion in postpartum. J Endocrinol Invest. 1985;8:143-6. PMID: 3928731

3. Pontiroli AE, De Castro e Silva E, Mazzoleni F et al. The effect of histamine and H1 and H2 receptors on prolactin and luteinizing hormone release in humans: sex differences and the role of stress. J Clin Endocrinol Metab. 1981;52:924-8. PMID: 7228996

Epinastine Identification

Substance Name

Epinastine

CAS Registry Number

80012-43-7

Drug Class

Antihistamines

Administrative Information

LactMed Record Number

288

Last Revision Date

20140116

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