Opioid Analgesics + Methenamine%2C Sodium Phosphate%2C Monobasic%2C Monohydrate%2C Pheny Interaction
Moderateinteraction on record
Description
May result in increased risk of severe constipation.
Mechanism
Additive effects on gastrointestinal motility
Source: NLP:methenamine, sodium phosphate, monobasic, anhydrous, phenyl salicylate, methylene blue and hyoscyamine sulfate