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glossary

What is a milk bleb?

Pumping glossary; plain language, no fluff · Updated July 2026

Quick answer: A milk bleb (nipple blister) is a tiny white or yellow dot on the nipple where a pore is blocked, often painful out of all proportion to its size, and frequently paired with a clogged duct behind it.

In practice

Current care favors gentleness: warm soaks, lecithin supplements by provider OK, moist healing, and treating the duct congestion behind it rather than aggressive needling, which providers should do if anyone does. Recurrent blebs plus clogs are a pattern worth an IBCLC review of fit and schedule.

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In Milk First

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