Tramadol and its metabolite, O-desmethyltramadol (M1), are existing in human milk. There isn't any information on the results of your drug over the breastfed infant or the results with the drug on milk production. The M1 metabolite is a lot more powerful than tramadol in mu opioid receptor binding [see https://andersoneqais.smblogsites.com/37402977/cocodamol-30mg-for-dummies