Marijuana and Breastfeeding (1609)

Key points below

How does using cannabis affect my breast milk?

Cannabis or marijuana’s active ingredient is THC. THC will pass into your breast milk and to your baby. The amount of THC in breast milk can be higher than the level in your blood.

What should I do?

For more information


Call your child’s doctor, nurse or clinic if you have any concerns or your child has special health care needs not covered by this information.