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Acebutolol Pregnancy and Breastfeeding Warnings

Brand names: Sectral

Medically reviewed by Drugs.com. Last updated on Jul 24, 2025.

Acebutolol Pregnancy Warnings

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

US FDA pregnancy category: B

Comments:
-If treatment is maintained until delivery, it is recommended to closely monitor the neonate's heart rate and blood glucose during the first 3 to 5 days of life.

Animal studies have failed to reveal evidence of teratogenicity. Neonates of mothers who have received this drug during pregnancy had reduced birth weight, decreased blood pressure, and decreased heart rate.

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

Acebutolol Breastfeeding Warnings

Use is not recommended.

Excreted into human milk: Yes

Acebutolol and diacetolol, a renally excreted and equipotent metabolite, appear in breast milk with a milk:plasma ratio of 7:1 and 12:2, respectively.

See references

Does Acebutolol interact with my other drugs?

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References for pregnancy information

  1. (2002) "Product Information. Sectral (acebutolol)." Wyeth-Ayerst Laboratories
  2. Cerner Multum, Inc. "UK Summary of Product Characteristics."
  3. (2016) "Product Information. Acebutolol Hydrochloride (acebutolol)." Amneal Pharmaceuticals
  4. (2024) "Product Information. Acebutolol Hydrochloride (acebutolol)." Milpharm Ltd

References for breastfeeding information

  1. (2002) "Product Information. Sectral (acebutolol)." Wyeth-Ayerst Laboratories
  2. Cerner Multum, Inc. "UK Summary of Product Characteristics."
  3. United States National Library of Medicine (2013) Toxnet. Toxicology Data Network. http://toxnet.nlm.nih.gov/cgi-bin/sis/htmlgen?LACT

Further information

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