Tramadol and its metabolite, O-desmethyltramadol (M1), are present in human milk. There's no information on the consequences of the drug on the breastfed toddler or the effects from the drug on milk manufacturing. The M1 metabolite is more potent than tramadol in mu opioid receptor binding [see Clinical Pharmacology (12)]. https://johnnyfxhpw.blogolize.com/a-secret-weapon-for-cocodamol-30mg-76374229