Selecting and using antihistamines during breastfeeding

27 January 2022Guidance on continuing or initiating commonly used antihistamines whilst breastfeeding. Recommendations apply to full term and healthy infants only.

Oral antihistamines - which are available in lactose-free formulations?

28 September 2020This updated Medicines Q&A includes a table which gives details of oral, single active constituent, antihistamine preparations that have lactose free formulations.
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Medicine Compliance Aid Stability


Tablet 10 mg
A3 · Amber 3No stability data is available. There are theoretical concerns with use in CAs, which may be mitigated by risk minimisation.
Airtight container
Protect from light
Protect from moisture
Protect from light and moisture. Store in airtight container.
9 November 2022

Lactation Safety Information

Non-sedating antihistamine
Very limited published evidence shows very small amounts in breast milk
Extensive experience of safe use in breastfeeding
As a precaution, monitor infant for drowsiness, irritability, and changes in feeding, although no adverse effects reported to date
9 September 2021