Acetohydroxamic acid Pregnancy and Breastfeeding Warnings

Brand names: Lithostat

Medically reviewed by Drugs.com. Last updated on Sep 1, 2025.

Acetohydroxamic acid Pregnancy Warnings

Use is contraindicated.

US FDA pregnancy category: Not assigned

Risk summary: No data are available on the use of this drug in pregnant women to inform a drug-related risk.

Comments:
-This drug can harm a developing fetus.
-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 teratogenicity (retarded and/or clubbed rear leg, exencephaly, and encephalocele). There are no controlled data in human pregnancy.

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

Acetohydroxamic acid 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: Data not available

Comments:
-The effects in the nursing infant are unknown.

See references

Further information

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

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