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Amifostine Pregnancy and Breastfeeding Warnings

Medically reviewed by Last updated on Oct 31, 2022.

Amifostine is also known as: Ethyol

Amifostine Pregnancy Warnings

Use is contraindicated.

AU TGA pregnancy category: B3
US FDA pregnancy category: Not assigned.

Risk Summary: Animal studies have revealed evidence of embryotoxicity at doses lower than the equivalent recommended human dose.

-Adequate methods of contraception should be encouraged.
-If this drug is used during pregnancy, or if the patient becomes pregnant while taking this drug, the patient should be apprised of the potential harm to the fetus.

Animal studies have revealed evidence of embryotoxicity. There are no controlled data in human pregnancy. It is not known whether this drug can cause fetal harm or adversely affect reproductive capacity in humans.

AU TGA pregnancy category B3: Drugs which have been taken by only a limited number of pregnant women and women of childbearing age, without an increase in the frequency of malformation or other direct or indirect harmful effects on the human fetus having been observed. Studies in animals have shown evidence of an increased occurrence of fetal damage, the significance of which is considered uncertain in humans.

US FDA pregnancy category Not Assigned: The US FDA has amended the pregnancy labeling rule for prescription drug products to require labeling that includes a summary of risk, a discussion of the data supporting that summary, and relevant information to help health care providers make prescribing decisions and counsel women about the use of drugs during pregnancy. Pregnancy categories A, B, C, D and X are being phased out.

See references

Amifostine Breastfeeding Warnings

Use is contraindicated.

Excreted into human milk: Unknown
Excreted into animal milk: Data not available

-The effects in the nursing infant are unknown.
-Because this drug is administered in conjunction with drugs that are known teratogens and mutagens, the manufacturer recommends that breastfeeding be discontinued prior to the initiation of therapy.

See references

References for pregnancy information

  1. "Product Information. Ethyol (amifostine)." Alza (2001):

References for breastfeeding information

  1. "Product Information. Ethyol (amifostine)." Alza (2001):

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.