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Nursing mothers are occasionally treated with intravenous lidocaine for ventricular dysrhythmias. There have been no reports on the excretion of lidocaine into breast milk. This case documents the excretion of lidocaine into breast milk in small amounts and shows the validity of the TDx methodology used in the whole-milk lidocaine assay. We observed breast-milk concentrations of lidocaine at 40 percent of the serum levels. Clinical practitioners should be aware the lidocaine is excreted into breast milk in small amounts and the mother could probably continue to safely breast-feed her child while on parenteral lidocaine. Any adverse reactions in the nursing infant would probably be limited to an idiosyncratic or allergic reaction.
J A Zeisler, and
T D Gaarder, and
S A De Mesquita
April 1999,
Acta anaesthesiologica Scandinavica,
J A Zeisler, and
T D Gaarder, and
S A De Mesquita
January 1989,
European journal of clinical pharmacology,
J A Zeisler, and
T D Gaarder, and
S A De Mesquita
October 1974,
Postgraduate medicine,
J A Zeisler, and
T D Gaarder, and
S A De Mesquita
May 1990,
Clinical pharmacy,
J A Zeisler, and
T D Gaarder, and
S A De Mesquita
May 2000,
Plastic and reconstructive surgery,
J A Zeisler, and
T D Gaarder, and
S A De Mesquita
March 1975,
Postgraduate medicine,
J A Zeisler, and
T D Gaarder, and
S A De Mesquita
September 2004,
The American journal of psychiatry,
J A Zeisler, and
T D Gaarder, and
S A De Mesquita
February 2007,
The American journal of psychiatry,
J A Zeisler, and
T D Gaarder, and
S A De Mesquita
February 1990,
British journal of clinical pharmacology,
J A Zeisler, and
T D Gaarder, and
S A De Mesquita
June 1978,
The Journal of pediatrics,
