Last update Aug. 4, 2014


Likely Compatibility

Fairly safe. Mild or unlikely adverse effects. Compatible under certain circumstances. Follow-up recommended. Read Commentary.

Tiazolidindion drugs increase response to insulin.
Oral anti-diabetic drugs are useless as treatment of diabetes type 1. For diabetes type 2, diet and exercise are advisable. Breastfeeding helps to lower glucemia level. See section on Maternal diabetes mellitus


  • Glibenclamide (Safe substance and/or breastfeeding is the best option.)
  • Hypocaloric Diet (Safe substance and/or breastfeeding is the best option.)
  • Insulin (Safe substance and/or breastfeeding is the best option.)
  • Metformin Hydrochloride (Safe substance and/or breastfeeding is the best option.)

Suggestions made at e-lactancia are done by APILAM team of health professionals, and are based on updated scientific publications. It is not intended to replace the relationship you have with your doctor but to compound it. The pharmaceutical industry contraindicates breastfeeding, mistakenly and without scientific reasons, in most of the drug data sheets.

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.


Pioglitazone belongs to this group or family:


Main tradenames from several countries containing Pioglitazone in its composition:

  • Actos
  • Tandemact™. Contains other elements than Pioglitazone in its composition


Variable Value Unit
Oral Bioavail. 80 %
Molecular weight 357 daltons
Protein Binding 99 %
Tmax 2 hours
24 hours


  1. IARC - WHO. International Agency for research on Cancer. Some Drugs and Herbal Products. IARC Monographs on the Evaluation of Carcinogenic Risks to Humans Volume 108. 2016 Full text (link to original source)
  2. Serrano Aguayo P, García de Quirós Muñoz JM, Bretón Lesmes I, Cózar León MV. Tratamiento de enfermedades endocrinológicas durante la lactancia. [Endocrinologic diseases management during breastfeeding.] Med Clin (Barc). 2015 Jan 20;144(2):73-9. Abstract

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