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Furosemide Pregnancy and Breastfeeding Warnings

Brand names: Diaqua-2, Furoscix, Lasix, Lo-Aqua

Furosemide Pregnancy Warnings

This drug should not be used during pregnancy unless the benefit outweighs the risk to the fetus.
-According to some authorities: Use is contraindicated.

AU TGA pregnancy category: C
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: Use of this drug during pregnancy requires monitoring of electrolytes, hematocrit, and fetal growth.

Animal studies have revealed evidence of fetolethality. There are no controlled data in human pregnancy.

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.

See references

Furosemide Breastfeeding Warnings

Caution is recommended as use is contraindicated according to some authorities.

Excreted into human milk: Yes

Comments: The effects in the nursing infant are unknown.

See references

Does Furosemide interact with my other drugs?

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See also

References for pregnancy information

  1. (2007) "Product Information. Lasix (furosemide)." sanofi-aventis
  2. Cerner Multum, Inc. "UK Summary of Product Characteristics."
  3. Cerner Multum, Inc. "Australian Product Information."
  4. (2018) "Product Information. Lasix (furosemide)." Validus Pharmaceuticals LLC
  5. (2025) "Product Information. Furoscix (furosemide)." scPharmaceuticals

References for breastfeeding information

  1. (2007) "Product Information. Lasix (furosemide)." sanofi-aventis
  2. Cerner Multum, Inc. "UK Summary of Product Characteristics."
  3. Cerner Multum, Inc. "Australian Product Information."

Further information

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

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