Last update: March 28, 2014

Thallium-201

High Risk for breastfeeding


Poorly safe. Evaluate carefully.
Use safer alternative or interrupt breastfeeding 3 to 7 T ½ (elimination half-lives).
Read the Comment.

The infant may receive radioactive emissions just by being held on mother’s lap. Pump-out mother’s milk some days before procedure is done and keep it frozen. After this, keep-on breast pumping (to stimulate milk production) and dispose extracted milk for the next two weeks. Use previously expressed milk to feed the infant, or/and infant formula, as necessary. Choose the shortest half-life span radionucleotide drug as possible.

Alternatives

We do not have alternatives for Thallium-201.

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.

Pharmacokinetics

Variable Value Unit
Tmax 1 hours
T1/2 73 hours

References

  1. ARSAC: Administration of Radioactive Substances Advisory Committee. Notes for Guidance on the Clinical Administration of Radiopharmaceuticals and Use of Sealed Radioactive Sources. Section 7 Conception, Pregnancy and Breastfeeding, p. 47-53. ARSAC Support Unit. Centre for Radiation, Chemical and Environmental Hazards. Public Health England. 2019 Abstract Full text (link to original source) Full text (in our servers)
  2. US.NRC - Nuclear Regulatory Commission Office of Nuclear Material Safety and Safeguards. Apéndice U, Tabla U.3. Consolidated guidance about materials licenses. Program-specific guidance about medical use licenses. Draft Report for Comment. Appendix U, Table U.3. NUREG-1556. Vol.9, Rev 3. 2016 Full text (link to original source) Full text (in our servers)
  3. ICRP. Radiation dose to patients from radiopharmaceuticals. Addendum 3 to ICRP Publication 53. ICRP Publication 106. Annex D. Recommendations on breast-feeding interruptions, p. 163-165. Ann ICRP. 2008 Abstract Full text (link to original source) Full text (in our servers)
  4. US.NRC - Howe DB, Beardsley M, Bakhsh S. U.S. Nuclear Regulatory Commission Office of Nuclear Material Safety and Safeguards. Apéndice U, Tabla U.3. Consolidated guidance about materials licenses. Program-specific guidance about medical use licenses. Final report. Appendix U, Table U.3. NUREG-556. Vol.9, Rev 2. 2008 Full text (link to original source) Full text (in our servers)
  5. Stabin MG, Breitz HB. Breast milk excretion of radiopharmaceuticals: mechanisms, findings, and radiation dosimetry. J Nucl Med. 2000 Abstract Full text (link to original source) Full text (in our servers)

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e-lactancia is a resource recommended by La Liga de la Leche de México from Mexico

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