Last update Jan. 15, 2021

Tolbutamide

Compatible

Safe product and/or breastfeeding is the best option.

Sulfonylurea that stimulates endogenous insulin secretion. May cause hypoglycemia.
Indicated in the treatment of type 2 diabetes.
Oral administration in one to three doses daily.

It is excreted in breast milk in clinically insignificant amounts (Moiel 1967).

Experts authors consider the use of this medication to be safe during breastfeeding (Serrano 2015).
American Academy of Pediatrics: medication usually compatible with breastfeeding (AAP 2001).

Diet, exercise, and breastfeeding improve blood sugar levels.


See below the information of this related product:

  • Maternal Diabetes mellitus (Fairly safe. Mild or unlikely adverse effects. Compatible under certain circumstances. Follow-up recommended. Read Commentary.)

Alternatives

  • Acarbose (Safe product and/or breastfeeding is the best option.)
  • Glibenclamide (Safe product and/or breastfeeding is the best option.)
  • Hypocaloric Diet (Safe product and/or breastfeeding is the best option.)
  • Insulin (Safe product and/or breastfeeding is the best option.)
  • Maternal Sport (Safe product and/or breastfeeding is the best option.)
  • Metformin Hydrochloride (Safe product and/or breastfeeding is the best option.)
  • Miglitol (Safe product 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

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Other names

Tolbutamide is also known as


Tolbutamide in other languages or writings:

Groups

Tolbutamide belongs to these groups or families:

Tradenames

Main tradenames from several countries containing Tolbutamide in its composition:

Pharmacokinetics

Variable Value Unit
Oral Bioavail. 100 %
Molecular weight 270 daltons
Protein Binding 95 %
VD 0.1 l/Kg
pKa 4.3 -
Tmax 3 - 5 hours
T½ 4.5 - 6.5 hours
M/P ratio 0.4 -
Theoretical Dose 0.00045 - 0.0027 mg/Kg/d
Relative Dose 0.004% - 0.02% %

References

  1. 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
  2. Mylan Ph. Tolbutamide. Drug Summary. 2009 Full text (in our servers)
  3. Nice FJ, De Eugenio D, Dimino TA, Freeny IC, Rovnack MB, Gromelski JS. Medications and Breast-Feeding: A Guide for Pharmacists, Pharmacy Technicians, and Other Healthcare Professionals. Part I. J Pharm Technol 2004;20:17-27. doi: 10.1177/875512250402000106.
  4. AAP - American Academy of Pediatrics Committee on Drugs. Transfer of drugs and other chemicals into human milk. Pediatrics. 2001 Sep;108(3):776-89. Abstract Full text (link to original source) Full text (in our servers)
  5. Moiel RH, Ryan JR. Tolbutamide orinase in human breast milk. Clin Pediatr (Phila). 1967 Aug;6(8):480. No abstract available. Abstract

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