Last update: Dec. 19, 2013


Low Risk for breastfeeding

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

It is a μ-opioid receptor antagonist that accelerates intestinal transit. Prescribed after intestinal surgery procedures.

Since oral absorption and plasma levels are very low secretion into breast milk is thought to be minimal.


We do not have alternatives for Alvimopan.

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.


Alvimopan belongs to this group or family:


Main tradenames from several countries containing Alvimopan in its composition:


Variable Value Unit
Oral Bioavail. 6 %
Molecular weight 460 daltons
Protein Binding 80 %
Tmax 2 hours
T1/2 18 hours


  1. Hussar DA. New drugs 09, part 1. Plast Surg Nurs. 2009 Abstract
  2. Alvimopan Data Sheet ( 2009 Full text (in our servers)
  3. Foss JF, Fisher DM, Schmith VD. Pharmacokinetics of alvimopan and its metabolite in healthy volunteers and patients in postoperative ileus trials. Clin Pharmacol Ther. 2008 Abstract

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e-lactancia is a resource recommended by Instituto de Salud Infantil, Grecia-Institute of Child's Health in Greece

Would you like to recommend the use of e-lactancia? Write to us at corporate mail of APILAM