Ondansetron Safety During Breastfeeding

Guideline-Based Safety Evidence

• The Association of Anaesthetists recommends ondansetron as a safe anti-emetic option for breastfeeding women, alongside other medications, based on expert consensus from a major specialty society addressing perioperative medication use in lactating women 1
• Ondansetron is considered safe and compatible with breastfeeding according to current anesthesia guidelines, though the presence in human milk is unknown, as stated by the Association of Anaesthethetists 1

Clinical Approach

• The Association of Anaesthetists guidelines suggest using ondansetron when clinically indicated for nausea/vomiting in breastfeeding women, without requiring a waiting period or pumping-and-dumping 1
• The American College of Anaesthetists is not mentioned, however, the Association of Anaesthetists guideline recommends that no waiting period or pumping-and-dumping is required based on their recommendations 1

Ondansetron Safety During Breastfeeding

Guideline-Based Recommendations and Safety Data

• The European Respiratory Journal guidelines apply to full-term, healthy, exclusively breastfed babies from mothers taking standard recommended doses of ondansetron, with no special precautions needed regarding timing of breastfeeding 2, 3, 4