Last update: Jan. 4, 2015

Alcuronium Chloride

Low Risk for breastfeeding

Moderately safe. Probably compatible.
Mild risk possible. Follow up recommended.
Read the Comment.

It is a non-depolarizing muscle relaxant drug with a peripheral action that is used as premedication for endotracheal intubation and general anesthesia. A product that is rarely used with very few bibliographic references.

At latest update, no relevant published data concerning excretion into breast milk were found.

Like other blocking drugs from the same family, its relatively high molecular weight would decrease excretion into breast milk.

Other well-known and safer options should be preferred until more information on this drug is available.

List of Essential Medicines of the WHO: compatible with breastfeeding.


Suggestions made at e-lactancia are done by APILAM´s pediatricians and pharmacists, and are based on updated scientific publications.
It is not intended to replace the relationship you have with your doctor but to compound it.

Jose Maria Paricio, Founder & President of APILAM/e-Lactancia

Your contribution is essential for this service to continue to exist. We need the generosity of people like you who believe in the benefits of breastfeeding.

Thank you for helping to protect and promote breastfeeding.

José María Paricio, founder of e-lactancia.


Alcuronium Chloride belongs to this group or family:


Main tradenames from several countries containing Alcuronium Chloride in its composition:


Variable Value Unit
Molecular weight 738 daltons
T1/2 3 hours


  1. WHO / UNICEF. BREASTFEEDING AND MATERNAL MEDICATION Recommendations for Drugs in the Eleventh WHO Model List of Essential Drugs. Department of Child and Adolescent Health and Development (WHO/UNICEF) 2002 Full text (link to original source) Full text (in our servers)
  2. Ho PC, Stephens ID, Triggs EJ. Caesarean section and placental transfer of alcuronium. Anaesth Intensive Care. 1981 Abstract
  3. Walker J, Shanks CA, Triggs EJ. Clinical pharmacokinetics of alcuronium chloride in man. Eur J Clin Pharmacol. 1980 Abstract

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