Safety in Lactation: Penicillins

Sarah Fenner, Acting Co-Director, Midlands and East Medicines Advice Service (West Midlands site) & UK Drugs in Lactation Advisory ServicePublished

Monitor infant for gastro-intestinal disturbances and oral candida infection, especially if used for prolonged periods or in high doses, although these effects are unlikely to occur,
There is also a theoretical risk of hypersensitivity.
Choice of drug and alternatives may be directed by local antimicrobial policy.