Claritin (loratadine is excreted in clinically unimportant amounts. Anderson, PO. Drug use during breast-feeding. Clin Pharm. 1991:10: p 604 The article cited is: Hilbert J, Radwanski E, Affrime MB et al. Excretion of loratadine in human breast milk. J Clin Pharmacol. 1988:28:234-9