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Spinosad topical Pregnancy and Breastfeeding Warnings

Medically reviewed by Last updated on Jan 12, 2023.

Spinosad topical is also known as: Natroba

Spinosad topical Pregnancy Warnings

This drug should be used during pregnancy only if clearly needed.

US FDA pregnancy category: B

Animal studies have failed to reveal evidence of teratogenicity. There are no controlled data in human pregnancy.

US FDA pregnancy category B: Animal reproduction studies have failed to demonstrate a risk to the fetus and there are no adequate and well-controlled studies in pregnant women.

See references

Spinosad topical Breastfeeding Warnings

This drug is not systemically absorbed after topical use; it should not be present in human milk.

The topical suspension contains benzyl alcohol, which may be systemically absorbed through the skin; the amount excreted into human milk with use of this drug is unknown.

Caution is recommended.

Excreted into human milk: No (active component); Yes (benzyl alcohol)

-High amounts of benzyl alcohol are potentially harmful to neonates; it is unlikely that levels this high reach breast milk.
-Lactating women may choose to pump and discard breast milk for 8 hours (5 half-lives of benzyl alcohol) after use to avoid infant ingestion of benzyl alcohol.

See references

References for pregnancy information

  1. "Product Information. Natroba (spinosad topical)." ParaPRO LLC (2011):

References for breastfeeding information

  1. "Product Information. Natroba (spinosad topical)." ParaPRO LLC (2011):
  2. United States National Library of Medicine "Toxnet. Toxicology Data Network." (2013):

Further information

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