Can Codeine Affect Urination? Understanding the Link
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4 min read
Studies show that opioid-induced urinary retention can occur in up to 25% of postoperative patients [1.3.3]. As an opioid, codeine is well-documented to cause urinary side effects. So, **can codeine affect urination?** Yes, it can make it harder for your bladder muscles to function properly [1.2.3].
