The Basics
What is Xenon Xe 133?
Used to help diagnose lung problems and to help check the blood flow in the brain.
Brand names for Xenon Xe 133
Xenon Xe 133 Gas
How Xenon Xe 133 is classified
Radiopharmaceuticals, Xenon Radioisotopes, Diagnostic Agents
Xenon Xe 133 During Pregnancy
Xenon Xe 133 pregnancy category
Category CNote that the FDA has deprecated the use of pregnancy categories, so for some medications, this information isn’t available. We still think it’s useful to list historical info, however, given what a common proxy this has been in the past.
What we know about taking Xenon Xe 133 while pregnant
Animal reproductive studies have not been conducted with Xenon Xe 133 Gas. It is also not known whether Xenon Xe 133 Gas can cause fetal harm when administered to a pregnant woman or can affect reproduction capacity. Xenon Xe 133 Gas should be given to a pregnant woman only if clearly needed. Ideally, examination using radiopharmaceuticals, especially those elective in nature in a woman of childbearing capability, should be performed during the first few (approximately 10) days following the onset of menses.
Taking Xenon Xe 133 While Breastfeeding
What are recommendations for lactation if you're taking Xenon Xe 133?
Information in this record refers to the use of xenon Xe 133 as a diagnostic agent. Because of its low systemic bioavailability after inhalation, the International Commission on Radiological Protection and other experts state breastfeeding need not be interrupted after administration of xenon Xe 133.[1][2][3]
Maternal / infant drug levels
Information in this record refers to the use of xenon Xe 133 as a diagnostic agent. Because of its low systemic bioavailability after inhalation, the International Commission on Radiological Protection and other experts state breastfeeding need not be interrupted after administration of xenon Xe 133.[1][2][3]
Possible effects of Xenon Xe 133 on milk supply
Relevant published information was not found as of the revision date.
Possible alternatives to Xenon Xe 133
None listed
List of References
Lactation sources: Drugs and Lactation Database (LactMed) [Internet]. Bethesda (MD): National Library of Medicine (US); 2006-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK501922/1. Stabin MG, Breitz HB. Breast milk excretion of radiopharmaceuticals: mechanisms, findings, and radiation dosimetry. J Nucl Med. 2000;41:863-73. PMID: 10809203
2. Parker JA, Coleman RE, Grady E et al. SNM practice guideline for lung scintigraphy 4.0. J Nucl Med Technol. 2012;40:57-65. PMID: 22282651
3. Mattsson S, Johansson L, Leide Svegborn S et al. Radiation dose to patients from radiopharmaceuticals: A compendium of current information related to frequently used substances. Annex D. Recommendations on breast-feeding interruptions. Ann ICRP. 2015;44 (2 Suppl):319-21. PMID: 26069086
4. Stuttmann R, Schafer C, Hilbert P et al. The breast feeding mother and xenon anaesthesia: four case reports. Breast feeding and xenon anaesthesia. BMC Anesthesiol. 2010;10:1. PMID: 20167123
Disclaimer: This material is provided for educational purposes only and is not intended for medical advice, diagnosis, or treatment. Consult your healthcare provider with any questions.
