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Uro-MP

Generic: Methenamine, Sodium Phosphate, Monobasic, Anhydrous, Phenyl Salicylate, Methylene Blue and Hyoscyamine Sulfate

Verified·Apr 23, 2026
Manufacturer
Method
NDC
58657-456
RxCUI
1087365
Route
ORAL
ICD-10 indication
N39.0

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About Uro-MP

What is this medication? Uro-MP is a prescription combination medication primarily used to relieve symptoms associated with irritations of the lower urinary tract. It is frequently prescribed to alleviate discomfort, pain, burning, and the frequent or urgent need to urinate that often accompanies urinary tract infections or diagnostic procedures. This medication does not treat the underlying cause of an infection on its own but is used to manage the distressing physical sensations while other treatments address the root issue.

The drug works through a combination of several active ingredients that serve different functions within the urinary system. It contains an antiseptic component to help inhibit the growth of bacteria, an antispasmodic to relax the muscles of the bladder and reduce cramping, and a mild analgesic to provide pain relief. Because of certain ingredients, it is common for this medication to cause the urine to turn a blue or green color, which is a harmless and expected side effect of the treatment.

Copay & patient assistance

Detailed copay and financial assistance information is not publicly available for this medication at this time. Please consult your pharmacist or the manufacturer's official patient support program for more details.

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Prescribing information

From the FDA-approved label for Uro-MP. Official source: DailyMed (NLM) · Label effective Oct 29, 2025

Indications and usage
INDICATIONS AND USAGE Uro-MP Capsules are indicated for the treatment of symptoms of irritative voiding. Indicated for the relief of local symptoms, such as inflammation, hypermotility, and pain, which accompany lower urinary tract infections. Indicated for the relief of urinary tract symptoms caused by diagnostic procedures.
Dosage and administration
DOSAGE AND ADMINISTRATION Adults: One tablet orally 4 times per day followed by liberal fluid intake. Pediatric: Dosage must be individualized by physician for older children. Not recommended for use in children six years of age or younger.
Contraindications
CONTRAINDICATIONS Uro-MP Capsules are contraindicated in patients with a hypersensitivity to any of the ingredients. Risk-benefit should be considered when the following medical problems exist: Cardiac disease (especially cardiac arrhythmias, congestive heart failure, coronary heart disease, and mitral stenosis); gastrointestinal tract obstructive disease; glaucoma; myasthenia gravis; acute urinary retention may be precipitated in obstructive uropathy (such as bladder neck obstruction due to prostatic hypertrophy).
Warnings
WARNINGS Do not exceed recommended dosage. If rapid pulse, dizziness, or blurring of vision occurs, discontinue use immediately. KEEP THIS AND ALL MEDICATIONS OUT OF THE REACH OF CHILDREN. IN CASE OF ACCIDENTAL OVERDOSE, SEEK PROFESSIONAL ASSISTANCE OR CONTACT A POISON CONTROL CENTER IMMEDIATELY. WARNING: Keep this and all drugs out of reach of children. Rx Only Manufactured for: Method Pharmaceuticals, LLC Southlake, TX 76092 www.methodpharm.com Rev. 02/23
Drug interactions
DRUG INTERACTIONS 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. Drug Abuse And Dependence A dependence on the use of Uro-MP Capsules has not been reported and due to the nature of its ingredients, abuse of Uro-MP Capsules is not expected.
Adverse reactions
ADVERSE REACTIONS Cardiovascular - rapid pulse, flushing Central Nervous System - blurred vision, dizziness, drowsiness Respiratory - shortness of breath or troubled breathing Genitourinary - difficult micturition, acute urinary retention Gastrointestinal -dry mouth, nausea and vomiting Serious allergic reactions to this drug are rare. Seek immediate medical attention if you notice symptoms of a serious allergic reaction, including itching, rash, severe dizziness, swelling or trouble breathing. This medication can cause urine and sometimes stools to turn blue to blue-green. This effect is harmless and will subside after medication is stopped. Call your doctor or physician for medical advice about side effects. To report SUSPECTED ADVERSE REACTIONS, contact Method Pharmaceuticals, LLC at (877) 250-3427.
Use in pregnancy
Pregnancy/Reproduction (FDA Pregnancy Category C): Hyoscyamine and methenamine cross the placenta. Studies have not been done in either animals or humans. It is not known whether Uro-MP Capsules can cause fetal harm when administered to a pregnant woman or can affect reproduction capacity. Uro-MP Capsules should be given to a pregnant woman only if clearly needed.

Label text is reproduced as-is from the FDA-approved label. We do not paraphrase, summarize, or omit. Content above is for informational purposes only and is not medical advice. Always consult your prescribing clinician or pharmacist before making decisions about your medication.

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How this page is sourced

  • Drug identity verified against openFDA NDC Directory.
  • Label text (when shown) originates from NLM DailyMed.
  • Copay and assistance URLs verified periodically; if you hit a broken link, tell us.