Uritos

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Uritos

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Medically reviewed

Laura Arias

Last updated on 22/12/2025

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Uritos

Quick Facts

Property Description
Active ingredient Imidafenacin
Form Tablet (including Orally Disintegrating (OD) tablet)
Pharmacological class Anticholinergic agent / Antimuscarinic agent
Origin Synthetic compound

Uritos is a synthetic, single-ingredient, prescription-only medication defined by its active component, Imidafenacin. It is classified as an Anticholinergic agent—more precisely, an Antimuscarinic agent—and its purpose is to help stabilize the muscles of the bladder. The medication is prepared for oral administration and is typically available in a standard tablet form, as well as an orally disintegrating (OD) tablet variant, which is a differentiating feature for patients who may have difficulty swallowing.


Defining Uritos: Active Ingredient and Pharmacological Class

The core substance that defines Uritos is Imidafenacin, a synthetic compound classified under the Anticholinergic drug class. This compound operates as an Antimuscarinic agent designed to interfere with certain signals carried by the neurotransmitter acetylcholine within the body. Uritos is a single-ingredient product, limited to the active substance and the required pharmaceutical excipients for manufacturing the solid dose form.

Pharmacological studies confirm that Imidafenacin is characterized by its selective antagonism, meaning its blocking action is largely targeted toward the M3 and M1 muscarinic receptor subtypes. This characteristic selectivity helps focus the drug's effect primarily on the muscles of the urinary tract, differentiating its action profile from less selective drugs in the same class.


Uritos’ Therapeutic Identity: Purpose and Selective Action

The general purpose of Uritos is to provide relief by suppressing the involuntary and inappropriate contractions of the detrusor muscle, the primary muscle of the bladder wall. By interrupting the signaling pathway that triggers these spasms, the drug’s fundamental function is to enhance the bladder’s ability to hold urine comfortably.

Clinical experience indicates this stabilizing effect is generally recognized for mitigating symptoms associated with an overactive bladder. The drug’s main benefit is the restoration of comfort, addressing disruptive symptoms such as the sudden, intense need to pass urine (urinary urgency) and the frequent need to urinate (pollakiuria). The therapeutic identity of Uritos is centered on its role as a functional stabilizer for the lower urinary tract.

What side effects are possible with Uritos?

Possible Side Effects and Safety Information

Official regulatory documents classify the possible adverse reactions associated with Uritos (Imidafenacin) across several physiological systems, consistent with its action as an Antimuscarinic agent. The frequency of these effects is formally categorized based on clinical trial data.

Frequency Classification and System-Organ Classes

The most frequently reported adverse reactions are classified as Common, occurring in up to 1 in 10 people, and include manifestations like dry mouth and constipation (Gastrointestinal Disorders). Other reactions are classified as Uncommon, occurring in up to 1 in 100 people, spanning multiple systems. These include dizziness and headache (Nervous System Disorders), dry eye and visual accommodation disorder (Eye Disorders), and urinary retention (Renal and Urinary Disorders).

Serious Reactions and Safety Constraints

Serious adverse reactions are officially documented, including the potential for acute angle-closure glaucoma and hepatic function disorder (which may involve elevations in liver enzymes). This medication is explicitly contraindicated and restricted from use in individuals with pre-existing, severe conditions such as severe urinary retention, severe hepatic impairment, specific forms of severe heart disease, and uncontrolled narrow-angle glaucoma.

Population-Specific Safety Notes

The official labeling notes that caution is advised for certain patient groups. Monitoring may be necessary for older adults due to the potential for increased susceptibility to Anticholinergic effects such as urinary retention. Similar caution is required for patients with existing renal or hepatic impairment.

Overdose and Emergency Response

Overdose and when to seek help

Overdose with Uritos (Imidafenacin) primarily results in an exaggeration of anticholinergic effects, which may lead to severe clinical manifestations as described in official regulatory documents.

Documented Overdose Manifestations

The official drug profile notes that an excess dose can lead to severe and clinically significant conditions. These documented manifestations include acute glaucoma (potentially presenting with severe eye pain or vision changes), urinary retention (inability to pass urine), and hepatic dysfunction. These specific manifestations represent the key risks that require prompt medical attention.

Immediate Emergency Action

If an accidental or intentional ingestion of a dose more than the prescribed amount occurs, the patient is required to immediately consult with a doctor or pharmacist. Urgent medical evaluation is mandatory if any signs of the severe manifestations—specifically acute glaucoma, urinary retention, or signs of liver dysfunction—are observed.

Management and Monitoring

Treatment for Uritos overdose is defined as symptomatic and supportive, as regulatory documents state that no specific antidote is known. Due to the potential for severe or delayed symptoms, hospital monitoring may be required for continuous observation and stabilization. Caution is also noted regarding potential increased susceptibility or altered clearance in populations with pre-existing hepatic or severe renal impairment.

Therapeutic Uses of Uritos

What Uritos Treats: Main Uses and Benefits

Uritos (Imidafenacin) is relevant for symptomatic support in conditions presenting with symptoms of Overactive Bladder (OAB) syndrome, which may help improve comfort. Uritos is applied to provide supportive relief when symptoms related to heightened physiological activity begin to interfere with daily functioning. The medication is commonly used in conditions presenting with symptoms of urinary urgency, frequency, and urge incontinence.

Uritos plays a role in managing symptom clusters that may become intense or disruptive. By addressing the symptomatic burden, the medication contributes to improved comfort during these periods. This is generally helpful in situations where nocturia (nighttime frequency) may be a symptom that interferes with daily functioning. The medication assists with maintaining functional stability for adults and elderly patients by supporting efforts to ease symptoms that interfere with daily functioning.

“Uritos is considered relevant for managing distressing manifestations that impact daily routines and sleep quality.”


QuickFact Block

Quick Fact: Relief for OAB Symptoms
Symptom Focus Urinary urgency, frequency, and urge incontinence.
Benefit Frame Contributes to improved comfort and supports functional stability.
Context of Use Applied in clinical settings that involve chronic, disruptive OAB symptom patterns.

Regulatory References

  1. PMDA Imidafenacin Indication

Eligibility and Restrictions for Use

Eligibility and Contraindications

Uritos is officially approved for use in the adult population (generally ge 20 years) and the elderly, as efficacy and safety have been established in these age groups.

The medication is contraindicated and must not be used in specific patient populations due to the risk of worsening pre-existing conditions. Absolute exclusions include individuals with urinary retention, gastric retention or severe gastrointestinal motility disorders (such as paralytic ileus), uncontrolled narrow-angle glaucoma, and known hypersensitivity to Imidafenacin.

Restricted Use and Limitations

Use of Uritos is not established or not recommended for the pediatric population (under 20 years) due to insufficient data. It is also generally not recommended for women who are pregnant or breastfeeding.

The medication requires caution in patients with specific comorbidities, including pre-existing heart disease, Myasthenia Gravis, or controlled narrow-angle glaucoma. While mild hepatic and renal impairment is acceptable, the safety profile for patients with severe hepatic or renal dysfunction is limited, necessitating specific regulatory consideration.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Uritos (Imidafenacin) has officially documented interaction patterns that primarily involve drug metabolism and additive pharmacological effects, as detailed in regulatory prescribing information.

Pharmacokinetic Interactions

Uritos is principally metabolized by the Cytochrome P450 3A4 (CYP3A4) enzyme, and to a lesser extent, by UGT1A4. Co-administration with strong CYP3A4 inhibitors reduces the clearance of Imidafenacin, leading to increased systemic exposure. For instance, when Uritos is co-administered with Itraconazole, the maximum plasma concentration ( C max) increases by approximately 1.3 times, and the total systemic exposure ( AUC) increases by approximately 1.8 times. Other documented interacting medicines in this category include Erythromycin and Clarithromycin.

Pharmacodynamic and Food Interactions

Co-administration with other medicinal products that possess anticholinergic activity may result in an additive pharmacodynamic effect. This combination is associated with the potential for an aggravation of adverse effects according to regulatory labels and applies to classes such as Antihistaminic agents and Tricyclic Antidepressants.

An interaction is also documented with food: taking Uritos with a meal results in a measurable increase in the systemic concentration of the medicine. No specific combinations are formally classified as strictly contraindicated in official regulatory documents. Furthermore, population-specific cautions are noted for individuals with hepatic dysfunction, where impaired clearance may heighten interaction consequences.

Mechanism of Action

The Mechanism of Action of Uritos

Uritos is a nitrogen-containing bisphosphonate that exhibits a high affinity for bone mineral, leading to its selective accumulation in areas of active bone remodeling. Its mechanism centers on the inhibition of farnesyl pyrophosphate synthase (FPPS), a critical enzyme within the mevalonate pathway expressed by osteoclasts.

Following cellular uptake, the Uritos molecule binds to the pyrophosphate binding site on the FPPS enzyme, blocking its catalytic function. This action prevents the conversion of isopentenyl pyrophosphate into geranylgeranyl pyrophosphate (GGPP). The resulting depletion of GGPP subsequently impairs the prenylation of small intracellular GTPases (e.g., Rho, Rac, Ras), which are essential for anchoring these signaling proteins to the cell membrane.

The downstream cascade involves the loss of function in these regulatory GTPases, resulting in the depolymerization of the osteoclast's actin cytoskeleton and the dissolution of its ruffled border. The final system-level physiological consequence of this intracellular disruption is a marked reduction in osteoclast viability, leading to apoptosis, and the consequential suppression of bone resorption activity.

Dosage and Administration Information

How Uritos is Used

Uritos (Imidafenacin) is for oral administration and is available in 0.1 mg strengths as a standard tablet and as an Orally Disintegrating (OD) tablet. The usage pattern is based on a standard twice-daily schedule.

Standard Dosing and Administration Timing

The typical starting and maintenance dose for adults is 0.1 mg taken twice daily. The medication is scheduled for intake after breakfast and after supper (the evening meal) to ensure a consistent dosing interval relative to food intake. If the initial dose is insufficient, it may be increased to a maximum of 0.2 mg twice daily (total 0.4 mg per day), provided safety is confirmed.

Administration Requirements

The OD tablet is designed to be softened by saliva, lightly crushed with the tongue, and then swallowed, although it may also be taken with water. A general procedural instruction advises against taking the tablet without water while in a lying position.

If a dose is missed, the standard procedure is to skip the missed dose and resume the next scheduled dose; compensation by taking two doses at one time is not permitted.

Population-Specific Dose Limitations

Specific dose limitations exist for certain populations. For patients diagnosed with severe renal dysfunction or moderate to severe hepatic dysfunction, the maximum dosage of Uritos is restricted to the initial regimen of 0.1 mg twice daily.

Recent Clinical Evidence

Uritos: Recent Clinical Evidence

A Descriptive Summary of Clinical Research

Research has assessed the compound's activity across several key areas. The purpose of this overview is to describe what the studies examined, not to provide therapeutic conclusions.


Key Areas of Study

Impact on Symptom Severity and Disease Progression

Initial randomized controlled trials (RCTs) involving adults with [Condition Name] evaluated its activity in managing [Specific Symptom 1] and [Specific Symptom 2].

A 12-week study reported findings that explored symptom scores in participants compared to a placebo group. The study specifically assessed the time to observation of measured changes. Further long-term follow-up research is underway to gather more data on potential lasting effects.

Combination Therapy vs. Monotherapy

Research examined the combination of [Drug X] with [Drug Y] in a cohort of patients who did not respond fully to single-drug treatments. Studies assessed the combination alongside monotherapy in a head-to-head trial. Outcomes were measured based on a recognized disease activity score ([Score Name]).

Additional analysis has assessed quality of life metrics for patients receiving the combination compared to those receiving monotherapy.

Mechanism of Action

Research explored a biological hypothesis related to the compound's activity. Early in vitro and animal model studies examined in vitro activity. Clinical trials focus on measuring changes in surrogate markers such as [Marker A] and [Marker B] to evaluate potential findings in humans.


Research in Specific Patient Groups

Studies in Older Adults

Research has assessed this compound in a multi-center study that specifically included older adults to assess for potential differences in the findings. The study examined differences in the half-life of the compound across different age brackets.

Information for Patients

It is important to remember that this overview describes research findings. Information regarding changes to current medication regimens is available from a healthcare provider. This information describes research findings and is not a substitute for professional medical determination.

Frequently Asked Questions (FAQ)

Common questions about Uritos (FAQ)

Q: How is Uritos different from other common medicines for the same condition?

A: Official information describes Uritos as an antimuscarinic agent that shows a preference, or selectivity, for certain muscarinic receptor subtypes (M3 and M1) in the body. Studies have suggested this selectivity helps focus the drug's effect primarily on the urinary bladder compared to other areas like the salivary gland. This specific pharmacological characteristic is how the medicine is described within its drug class.

Q: I've seen mentions of a specific side effect (e.g., headache); how common is that with Uritos?

A: Official regulatory documents classify side effects based on how often they were reported in clinical trials. Headache is classified as Uncommon, meaning it was observed in up to 1 in 100 people. The most frequently reported adverse effects, classified as Common (up to 1 in 10 people), include dry mouth and constipation.

Q: What should I know about Uritos and alcohol consumption?

A: Regulatory labeling does not specify a direct formal interaction or contraindication with alcohol. As alcohol can contribute to dehydration, it is noted that this could potentially be associated with an increased presence of common anticholinergic effects like dry mouth or dizziness.

Q: Can Uritos be taken at the same time as my blood pressure medication?

A: Regulatory information does not list all specific blood pressure medications as interacting drugs. However, caution is advised for patients with certain pre-existing heart conditions, such as arrhythmia, because the drug's anticholinergic effect may potentially aggravate these symptoms. Information regarding all current medications is relevant for the prescribing professional's assessment.

Q: Can Uritos interact with common over-the-counter pain relievers?

A: Official documentation does not specifically list common over-the-counter pain relievers (like ibuprofen or acetaminophen) as formal interacting agents. The regulatory focus for interactions is primarily on drugs that affect the drug's metabolism via the CYP3A4 enzyme and medicines with anticholinergic activity.

Q: Is it safe to take herbal supplements while on Uritos?

A: Uritos is broken down in the body primarily by an enzyme called CYP3A4. Official labeling mentions that combining Uritos with strong inhibitors of this enzyme may lead to increased systemic exposure of Uritos. This informational caution applies to substances that affect the CYP3A4 enzyme, which may include some herbal supplements.

Q: What does the research say about Uritos and its overall effectiveness?

A: Clinical research evidence, which supported Uritos’s regulatory approval, indicates that the compound is effective for managing symptoms related to overactive bladder. The clinical studies evaluated the compound’s activity, examining changes related to reducing the number of daily urinations and episodes of urgency.

Q: Has Uritos been studied in large groups of people?

A: Yes, official regulatory and clinical summaries confirm that Uritos has been assessed in large clinical trial settings. This includes multi-center Phase II and Phase III studies involving hundreds of patients with the condition it treats, which is standard procedure for establishing a drug’s profile.

Q: Are there different brand names for the medicine Uritos?

A: Yes, Uritos is a brand name for the active ingredient, Imidafenacin. The active ingredient may be marketed under at least one other brand name in different regions.

Q: Is Uritos a type of antibiotic or something else?

A: Uritos is not an antibiotic. It is a synthetic, single-ingredient medication that belongs to the Anticholinergic agent drug class. This class of medicine works by interfering with certain nerve signals that regulate muscle function in the bladder.

Q: How long does it usually take to notice an effect after starting Uritos?

A: Pharmacokinetic data shows that the maximum concentration of the medicine in the blood is reached relatively quickly, approximately 1 to 1.5 hours after taking a dose. Clinical studies have described a measurable change in symptoms of overactive bladder that was observed relatively quickly.

Q: Can Uritos cause dizziness or affect my ability to drive?

A: The official label notes that Uritos may cause dizziness and potential vision changes, such as impaired visual accommodation. Official labeling notes that caution is advised regarding the operation of potentially hazardous machinery, including driving, as the effects of the medicine can vary between individuals.

Q: Does Uritos affect the results of common lab tests?

A: Official drug labeling does not specifically report any known interference with common laboratory tests. However, information regarding potential interference with specific lab results is available from the ordering healthcare professional.

Q: Does Uritos have a risk of dependence or addiction?

A: Uritos (Imidafenacin) is classified as an antimuscarinic agent and is not officially designated as a controlled substance in major regulatory jurisdictions. Therefore, it is not associated with a known risk of dependence or addiction.

Q: How long does Uritos stay in my system after I stop taking it?

A: Pharmacokinetic studies indicate that the elimination half-life (T1/2) of Uritos is approximately 2.9 to 3.1 hours. This half-life suggests that the body eliminates the majority of the medicine relatively quickly, with about 95% of a dose being cleared within 8 days.

Q: Does Uritos cause weight change for most users?

A: Weight change is not specifically listed or categorized as a reported common or uncommon side effect in the official regulatory documents for Uritos.

Q: Is Uritos typically prescribed to older adults (seniors)?

A: Yes, Uritos is officially approved for use in the elderly population (generally aged 65 years or more), as its efficacy and safety profile have been established in this age group. Official information notes that caution and monitoring may be required for older adults.

Q: Are there any known restrictions for children taking Uritos?

A: Official regulatory documents state that use of Uritos is not established or recommended for the pediatric population (under 20 years of age). Regulatory documents indicate that the lack of sufficient safety and efficacy data in this younger age group is the reason for this restriction.

Q: Is there official information available regarding Uritos use during pregnancy?

A: The official labeling states that the medication is generally not recommended for women who are pregnant. The regulatory recommendation is based on the lack of adequate data concerning its use in pregnant women.

Q: Why might a doctor prescribe Uritos instead of a different drug?

A: Uritos is characterized by its selective targeting of muscarinic receptors. Official study summaries describe that the medicine’s profile includes reported frequencies of side effects, such as dry mouth and constipation, that may vary when compared to other compounds in the class. This difference in profile is considered during the selection of treatment.

Q: What happens if Uritos is stopped suddenly?

A: Official guidance on Uritos does not contain specific warnings about adverse effects or withdrawal symptoms related to sudden discontinuation, as the medicine is not associated with dependence. However, the original symptoms of the condition being treated may recur once the medication is stopped.

Q: Does Uritos lose its effectiveness over time (tolerance)?

A: Official clinical trial summaries, including those assessing long-term use, generally suggest sustained effectiveness and tolerability over the duration of the study periods. Official clinical trial summaries assessing long-term use do not contain explicit documentation that tolerance development is a commonly reported issue.

Q: Does Uritos have any known effects on mental clarity or mood?

A: The official label notes that caution is required for use in patients with existing dementia or cognitive dysfunction, as its anticholinergic effect could potentially aggravate those symptoms. However, some studies did not observe cognitive impairment or influence on mood.

Q: Is Uritos safe for people with known heart conditions?

A: Official safety constraints note that the medicine requires caution for patients with pre-existing heart disease, such as arrhythmia. The medicine is contraindicated (must not be used) in specific forms of severe heart disease because the anticholinergic effect has the potential to aggravate those conditions.

Q: Can Uritos interact with contraceptives?

A: Official interaction summaries for Uritos do not specifically list oral or non-oral contraceptives as a formal interacting agent class. The drug’s metabolism is not known to affect the major drug metabolizing enzymes commonly linked to a reduction in contraceptive effectiveness.

Q: What is the recommended period of treatment with Uritos?

A: Official documents define Uritos as a prescription-only medication administered on a standard maintenance regimen. The duration of use is generally subject to the ongoing clinical assessment of the prescribing healthcare professional, based on the patient's therapeutic response.

Q: Is Uritos used for any other conditions besides the main one it treats?

A: Uritos is officially approved by regulatory agencies for the treatment of symptoms associated with overactive bladder. The official labeling does not include other approved therapeutic indications.

Q: Is it normal for Uritos to cause changes in sleep patterns?

A: Changes in sleep patterns are not specifically listed or categorized as a common or uncommon side effect in official regulatory documents. However, by mitigating the symptom of nocturia (nighttime urination), the medication has been observed to be associated with changes that can affect sleep continuity.

Q: Are there known cases of allergic reaction to Uritos?

A: Official documents list hypersensitivity to the active ingredient, Imidafenacin, as an absolute contraindication, meaning the drug must not be used by those with a known allergy. Serious adverse reactions consistent with allergic reactions have been officially documented in regulatory information.

Q: How does the EMA describe the safety profile of Uritos?

A: While the regulatory approval for Uritos (Imidafenacin) is focused on specific regions, the general safety profile is consistent with other antimuscarinic drugs. The safety profile is primarily assessed based on the occurrence of common anticholinergic effects like dry mouth and constipation, and the need to monitor for specific cardiovascular or eye-related risks.

Q: Is Uritos considered a first-line treatment for this condition?

A: Official clinical practice guidelines for the treatment of overactive bladder often recommend initial steps focused on behavioral therapies and lifestyle changes. Anticholinergic drugs like Uritos are typically positioned in the subsequent stages of the recommended treatment algorithm.

How should Uritos be stored and disposed of?

How to Store and Dispose of Uritos

Uritos (Imidafenacin) must be stored under specific environmental and safety conditions as mandated by official regulatory labeling.

Official Storage Requirements

Uritos tablets and orally disintegrating (OD) tablets must be stored at room temperature. Protection is required against environmental factors, including direct sunlight, heat, and moisture. The medication must be kept strictly out of the reach of children. Additionally, Uritos OD tablets must be stored in a tight container, and any unused portion of an opened OD tablet must be discarded immediately and not stored.

Constraint Requirement
Temperature Store at room temperature.
Protection Protect from sunlight, heat, and moisture.
Child Safety Keep out of the reach of children.

Disposal Instructions

Expired or unused Uritos should be disposed of via an official drug take-back program. If a take-back option is unavailable, the medicine must not be flushed. Instead, it should be mixed with an unappealing substance like dirt or used coffee grounds, placed in a sealed container, and then discarded in the household trash.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

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