Last update March 28, 2023

Iohexol

Compatible

Safe product and/or breastfeeding is the best option.

X-ray contrast medium with 24 - 35% of Iodine. Indicated in urography, myelography, angiography and tomography. Pediatric and neonatal use. Intravenous administration.

It is excreted in breast milk in clinically insignificant amounts.(Nielsen 1987)

The various Iodinated contrast media for imaging examinations (X-rays, CT scans) are considered compatible with breastfeeding since they are rapidly eliminated with little or no release of iodine, not metabolized and virtually not absorbed when taken by mouth. They are structurally very similar to each other and one of them is their data no or minimal excretion in milk.

Given the low lipid solubility of the iodinated contrast, less than 1% of the dose administered to the mother just passing milk. Due to their low oral bioavailability, intestinal absorption is less than 1% of the dose that he may take the infant. The maximum dose just getting the baby is less than 0.01% of the maternal dose, which represents less than 1% of the dose administered to a nursing practice that is a radiological contrast examination.

Most experts and radiology scientific societies agree that after a radiological iodinated contrast examination is not necessary to wait no time to nurse.

American Academy of Pediatrics: medication usually compatible with breastfeeding.(AAP 2001)


See below the information of this related product:

Alternatives

We do not have alternatives for Iohexol since it is relatively safe.

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.

Other names

Iohexol in other languages or writings:

Pharmacokinetics

Variable Value Unit
Oral Bioavail. 0 %
Molecular weight 821 daltons
Protein Binding 0 %
VD 0.35 - 0.85 l/Kg
pKa 11.73 -
Tmax 0.2 hours
2 - 3 hours
Theoretical Dose 1.7 - 3.7 mg/Kg/d
Relative Dose 0.2 - 0.5 %
Ped.Relat.Dose 0.2 %

References

  1. AEMPS. Iohexol. Ficha técnica. 2022 Full text (in our servers)
  2. Mattsson S, Leide-Svegborn S, Andersson M. X-RAY AND MOLECULAR IMAGING DURING PREGNANCY AND BREASTFEEDING-WHEN SHOULD WE BE WORRIED? Radiat Prot Dosimetry. 2021 Oct 12;195(3-4):339-348. Abstract Full text (link to original source)
  3. GE Ph. Iohexol. Drug Summary. 2017 Full text (in our servers)
  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. Nielsen ST, Matheson I, Rasmussen JN, Skinnemoen K, Andrew E, Hafsahl G. Excretion of iohexol and metrizoate in human breast milk. Acta Radiol. 1987 Abstract

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