Prescribing Information

The clinician can find evidence-based information specifically on the safety of drugs in breastmilk via the links and support services listed on this page.

This slideshow requires JavaScript.

The Breastfeeding Network Drugs in Breastmilk Information Service (UK Site) Run by the charity The Breastfeeding Network (BfN). Dr Wendy Jones, Specialist Pharmacist and BfN Breastfeeding Supporter provides evidence-based information for patients on the safety of drugs in lactation via factsheets, email and a dedicated Facebook page.  The service is open to mothers and professionals. As the time available to deal with breastfeeding support of mothers is limited professionals are encouraged to find out the information to enable them to support the mothers themselves.

The Breastfeeding Network Drugs in Breastmilk Factsheets A range of factsheets with detailed information on prescription drugs, over the counter treatments, cosmetic treatments and medical conditions.

The Breastfeeding Network Drugs in Breastmilk Facebook Page

UK Drugs in Lactation Advisory Service (UKDILAS) (UK Site) The UK Medicines Information Service (UKMi) NHS Pharmacist-led service providing evidence based information on the safety of drugs in breastfeeding. They have risk assessed every drug available in the UK, and this information can be accessed via the SPS website (Search for the drug you are interested in using the search bar, and select the ‘lactation safety information’ link).

Screenshot 2019-08-07 at 16.52.32

Summaries for various commonly prescribed medications, aimed at prescribers, are also available. These are accessible here.

The service can also advise on specific, individual clinical cases including complex cases such as mothers who are taking multiple medicines, premature and unwell infants. They will usually provide a response the same working day.

UKDILAS Telephone: 0116 258 6491 or 0121 4247298



Lactmed The US National Library of Medicine Toxicology Data Network (Toxnet) Drugs and Lactation Database. A smart phone app is also available.

Published April 2017, Reviewed 11th June 2021