Tramadol and its metabolite, O-desmethyltramadol (M1), are existing in human milk. There is no information on the results in the drug within the breastfed toddler or the effects in the drug on milk production. The M1 metabolite is much more potent than tramadol in mu opioid receptor binding [see Medical https://caideniaoco.blogtov.com/17895037/top-pregabalin-300mg-online-uk-secrets