Will bethanechol ever cause discoloration of ankles and feet?
No, discolouration of the ankles and feet has not been reported with Bethanechol. Here is a list of side effects from http://www.drugs.com/pro/bethanechol.html “Adverse Reactions Adverse reactions are rare following oral administration of Bethanechol, but are more common following subcutaneous injection. Adverse reactions are more likely to occur when dosage is increased.