This is a quick guide to sterilising basics – if you are using bottles for formula or breastmilk, they need to be cleaned and sterilised before your baby uses them. There has been much discussion about whether equipment used with breastmilk needs to be sterilised because breastmilk is without the potential bacteria that could be in formula. The guidance doesn’t distinguish between breast or formula. The NHS guidance for cleaning and sterilising your bottles includes…cleaning bottles and teats in hot water as soon as possible after a feed, using bottle and teat brushes to clean thoroughly and then rinsing with cold water. After an initial clean with bottle and teat brushes you can use the dishwasher to continue to clean bottles and teats but they will still need sterilising. Sterilising Basics: you can sterilise with either… a steam steriliser – following the instructions, as each steriliser can be slightly different. These often hold a few bottles and takes a few minutes. microwave sterilising – some bottles can be sterilised individually in the microwave or you …