Side Effects for Prosed DS
Cardiovascular - rapid pulse, flushing
Central Nervous System - blurred vision, dizziness
Respiratory - shortness of breath or troubled breathing
Genitourinary - difficult micturition, acute urinary retention
Gastrointestinal - dry mouth, nausea/vomiting
Drug Abuse And Dependence
A dependence on the use of PROSED®/DS has not been reported and
due to the nature of its ingredients, abuse of PROSED®/DS is not
expected.
Drug Interactions for Prosed DS
As a result of hyoscyamine's effects on gastrointestinal motility and gastric
emptying, absorption of other oral medications may be decreased during concurrent
use with this combination medication.
Urinary alkalizers and thiazide diuretics: May cause the urine to become
alkaline reducing the effectiveness of methenamine by inhibiting its conversion
to formaldehyde.
Antimuscarinics: Concurrent use may intensify antimuscarinic effects
of hyoscyamine because of secondary antimuscarinic activities of these medications.
Antacids/antidiarrheals: Concurrent use may reduce absorption of hyoscyamine
resulting in decreased therapeutic effectiveness. Concurrent use with antacids
may cause urine to become alkaline reducing the effectiveness of methenamine
by inhibiting its conversion to formaldehyde. Doses of these medications should
be spaced 1 hour apart from doses of hyoscyamine.
Antimyasthenics: Concurrent use with hyoscyamine may further reduce
intestinal motility, therefore, caution is recommended.
Ketoconazole and hyoscyamine may cause increased gastrointestinal pH.
Concurrent administration with hyoscyamine may result in marked reduction in the absorption of ketoconazole. Patients should be advised to take this combination at least 2 hours after ketoconazole.
Monoamine oxidase (MAO) inhibitors: Concurrent use with hyoscyamine
may intensify antimuscarinic side effects.
Opioid (narcotic) analgesics may result in increased risk of severe constipation.
Sulfonamides: These drugs may precipitate with formaldehyde in the urine
increasing the danger of crystalluria.
Patients should be advised that the urine and/or stools may become blue to blue-green as a result of the excretion of methylene blue.