Methenamine Sodium Phosphate Monobasic Methylene Blue And Hy + Antacids Containing Calcium Interaction
Moderateinteraction on record
Description
May reduce absorption of hyoscyamine and cause urine to become alkaline, reducing methenamine effectiveness. Doses should be spaced 1 hour apart.
Mechanism
Reduced GI absorption and urine alkalinization
Source: NLP:methenamine, sodium phosphate, monobasic, methylene blue, and hyoscyamine sulfate