Document Detail

Excretion of lignocaine and its metabolite monoethylglycinexylidide in breast milk following its use in a dental procedure. A case report.
MedLine Citation:
PMID:  8408724     Owner:  NLM     Status:  MEDLINE    
The excretion of lignocaine in breast milk has been documented in a 34-year-old woman following the injection of 20 mg lignocaine for a dental alloy restoration in the right upper quadrant. Lignocaine and its primary metabolite monoethylglycinexylidide in milk and plasma were quantified by high-performance liquid chromatography. The concentration of lignocaine in milk ranged from 44-66 micrograms l-1 while that for monoethylglycinexylidide ranged from 35-41 micrograms l-1. The milk: plasma ratios for lignocaine and monoethylglycinexylidide were 1.1 and 1.8, respectively. The calculated daily infant doses for the parent drug and metabolite were both less than 0.01 mg kg-1 day-1. With the exception of very rare allergic reactions, these levels of infant exposure are extremely low and of no toxicological significance. Nursing mothers receiving lignocaine for standard dental procedures can be advised that continuation of breast feeding is safe.
T H Lebedevs; R E Wojnar-Horton; P Yapp; M J Roberts; L J Dusci; L P Hackett; K Ilett
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Journal of clinical periodontology     Volume:  20     ISSN:  0303-6979     ISO Abbreviation:  J. Clin. Periodontol.     Publication Date:  1993 Sep 
Date Detail:
Created Date:  1993-11-18     Completed Date:  1993-11-18     Revised Date:  2006-10-30    
Medline Journal Info:
Nlm Unique ID:  0425123     Medline TA:  J Clin Periodontol     Country:  DENMARK    
Other Details:
Languages:  eng     Pagination:  606-8     Citation Subset:  D; IM    
Department of Pharmacy, King Edward Memorial Hospital for Women, Subiaco, Western Australia.
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MeSH Terms
Anesthesia, Dental*
Anesthesia, Local*
Lidocaine / administration & dosage,  analogs & derivatives*,  analysis,  blood,  pharmacokinetics*
Milk, Human / chemistry,  metabolism*
Time Factors
Reg. No./Substance:
137-58-6/Lidocaine; 7728-40-7/monoethylglycinexylidide

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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