Index Marijuana


Marijuana use during lactation is not ideal. THC (tetrahydrocannabinol), the active component in marijuana, is known to pass into human milk. Small amounts of occasional (not daily) use of marijuana are less likely to cause harm to the infant as compared to heavy daily marijuana use. Because we don’t have high quality long-term studies on the safety of THC exposure by breastfed or human milk fed infants, professional organizations such as the American Academy of Pediatrics and the American College of Obstetricians and Gynecologists suggest avoiding marijuana during lactation. However, they do not suggest that cannabis users avoid lactation. It is important to not expose infants to second hand smoke due to increased risk of SIDS (sudden infant death syndrome).


  1. Cannabis Drugs and Lactation Database (LactMed) 12/24/21)
  2. Ryan SA, Ammerman SD, O’Connor ME, AAP COMMITTEE ON SUBSTANCE USE AND PREVENTION, AAP SECTION ON BREASTFEEDING. Marijuana Use During Pregnancy and Breastfeeding: Implications for Neonatal and Childhood Outcomes. Pediatrics. 2018;142(3)
  3. American College of Obstetricians and Gynecologists Committee Opinion Marijuana Use During Pregnancy and Lactation Number 722 Obstetrics and Gynecology 130(4) October 2017 e205- 3209