Managing Breast Milk Oversupply

Terressa Patterson RN BSN MS IBCLC
In partnership with Dr. Brown's Company

Oversupply may sound ideal, but it can present challenges like engorgement, plugged ducts, mastitis, or a baby struggling to latch due to a forceful letdown. Early identification and treatment can make a significant difference in breastfeeding success and comfort for both mother and baby.

Possible Causes of Oversupply

  • Frequent or excessive pumping: Pumping too often or fully draining the breasts after each feeding can signal the body to produce more milk than the baby needs.
  • An early strong letdown reflex: Some mothers naturally have a strong milk ejection reflex, which can contribute to overproduction.
  • Imbalance in feeding patterns: Switching breasts too frequently during feedings or not allowing the baby to fully drain one breast before offering the other can overstimulate supply.
  • Hormonal influences: Some women's bodies are highly responsive to lactation hormones like prolactin, leading to an increased milk supply.
  • Certain medications or supplements: Herbal galactagogues (like fenugreek and moringa) or medications that boost milk (like Reglan) supply can sometimes lead to overproduction.

How Oversupply Can Affect Baby

While having plenty of milk might seem ideal, too much milk can create challenges for the baby, including:

  • Fast letdown and difficulty latching: A baby may struggle to keep up with a strong milk flow, leading to coughing, sputtering, or pulling off the breast frequently. Some babies will even bite down on the nipple to down-regulate a fast flow.
  • Increased gas and reflux-like symptoms: Taking in excess air while nursing can lead to fussiness, gassiness, and frequent spit-up.
  • Foremilk-hindmilk imbalance: If a baby gets too much of the lactose-rich foremilk and not enough of the fatty hindmilk, they may experience frequent, green, frothy stools, discomfort, difficulty staying full between feedings and inadequate weight gain.
  • Frustration at the breast: Babies may become overwhelmed by the fast flow or struggle to get a good latch due to engorged breasts.

Ways to Help Manage Oversupply

  • Block feeding: Nurse from one breast for a set period (e.g., 2-3 hours) before switching to the other. This signals your body to produce only as much milk as your baby needs.
  • Hand expression or pumping sparingly: Express just enough milk to relieve discomfort but avoid fully emptying the breast, which signals your body to keep producing more. If your baby is being supplemented away from the breast, pump just enough to match what your baby is eating to maintain supply.
  • Positioning: Feed in a reclined or laid-back position to slow the milk flow and make latching easier for your baby.
  • Cold compresses: Applying a cold pack after feeding can reduce inflammation and slow milk production.

Oversupply can be physically and emotionally draining. Many mothers feel overwhelmed, and some worry about "wasting" milk they can't store. For mothers who find themselves with extra milk and limited storage space, donating milk to a milk bank or a family in need can be a meaningful way to share the gift of breast milk. Milk banks ensure the milk is safely screened and distributed to premature or medically fragile babies. Knowing their milk is helping others can bring emotional comfort and a sense of purpose.

Remember, breastfeeding is a balance between your baby's needs and your body's natural rhythms. Seeking guidance from a lactation consultant can make managing oversupply more achievable.

DISCLAIMER: THIS CONTENT DOES NOT PROVIDE MEDICAL ADVICE
The information contained is for informational purposes only and is NOT intended to be a substitute for professional medical advice, diagnosis, or treatment. You should not rely solely on this information. Always seek the advice of your healthcare provider.