Cleaning Guidelines for Medela Breast Pumps

Medela Breast Pump Cleaning Instructions


  • Use drinking water quality for any of the following described cleaning procedures.
  • Clean parts immediately after use to avoid dry up of milk  residues and to prevent from growth of bacteria.
  • Disassemble all parts prior to cleaning.
  • Wash hands thoroughly with soap and water before touching the breast and pump parts.
  • Avoid touching the inside of bottles and lids.
  • Clean the breast and surrounding area with a damp cloth.
  • Do not use soap or alcohol which can dry the skin and cause cracked nipples.

Prior to first use, and then Once Daily

  • Disassemble, wash and rinse all parts of your pump kit that come in contact with the breast and milk
  • Place parts in a saucepan of sufficient capacity. ***
  • Fill with cold water until the parts are well covered. Optionally, a tea spoon of citric acid may be added to avoid a build-up of limescale.
  • Heat it up and allow to boil for 5 minutes.
  • Remove from stove and drain water off.
  • Dry parts with a clean towel.

***Alternatively, the disassembled parts can be

Note: The piston and cyliner of the manual breast pump cannot go in microwave sterilizers

After Each Use

  • Disassemble and handwash all parts of your pump kit that come in contact with the breast and milk in warm, soapy water.
  • Rinse in clear water.
  • Dry parts with a clean towel.
  • Use a damp (not wet) cloth to wipe the motor unit after each use.
  • After cleaning, when parts are not in use, put in a clean zip lock bag or store in a container with lid. Alternatively, the parts can be wrapped in a clean paper or cloth towel.

Non Contact Parts : Parts which do not come into contact with breast or milk (eg tubing, piston, cyliner, handle, membrane cap, protective membrane etc) only need cleaning on a weekly basis or if an overflow of milk occured)

Note Disinfection on cold water basis using Milton Tablets or hypochlorite substances are not recommended.  These may damage the plastic parts of your pump.

Tubing Care: If condensation or an overflow occurs, read Medela Instructions for Moisture in Tubing

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