Skip to main content

Lymphocyte immune globulin, anti-thy (equine) Pregnancy and Breastfeeding Warnings

Medically reviewed by Last updated on Dec 28, 2022.

Lymphocyte immune globulin, anti-thy (equine) is also known as: Atgam

Lymphocyte immune globulin, anti-thy (equine) Pregnancy Warnings

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 C: Drugs which, owing to their pharmacological effects, have caused or may be suspected of causing, harmful effects on the human fetus or neonate without causing malformations. These effects may be reversible. Accompanying texts should be consulted for further details.

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.

This drug should be used during pregnancy only if the benefit outweighs the risk.

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

Risk Summary: This drug was not teratogenic in rats or monkeys at a dose up to 20 mg/kg; however, 20 mg/kg/day for 16 days during organogenesis in cynomolgus monkeys was fetotoxic. No fetal or maternal toxicity was seen with 10 mg/kg/day administered for 16 days during organogenesis.

-The effects in the developing fetus are unknown.

See references

Lymphocyte immune globulin, anti-thy (equine) Breastfeeding Warnings

A decision should be made to discontinue breastfeeding or discontinue the drug, taking into account the importance of the drug to the mother.

Excreted into human milk: Unknown
Excreted into animal milk: No

-The effects in the nursing infant are unknown.

See references

References for pregnancy information

  1. "Product Information. Atgam (lymphocyte immune globulin, anti-thy (equine))." Pfizer U.S. Pharmaceuticals Group (2010):

References for breastfeeding information

  1. "Product Information. Atgam (lymphocyte immune globulin, anti-thy (equine))." Pfizer U.S. Pharmaceuticals Group (2010):

Further information

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