Urolesan

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Medically reviewed

Marina Burgos

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 Urolesan

What is Urolesan? Defining a Multicomponent Phytopreparation

Property Description
Active Ingredients Multiple plant extracts & essential oils
Form Oral Solution (drops) and Soft Capsules
Pharmacological Class Antispasmodic, Diuretic, Antiseptic
General Purpose Supports functional health of urinary and biliary systems
Origin Natural (Phytopreparation)

What Type of Medicine is Urolesan and How is it Classified?

Urolesan is a multicomponent phytopreparation classified as a combined drug of natural origin intended for oral use. This categorization as a herbal medicinal product highlights that its effects stem from a blend of specific plant components rather than isolated synthetic chemicals. This formulation, developed in Ukraine, has achieved clinical recognition across Eastern Europe for supporting urinary tract health. The drug is defined by a pharmacological profile that combines antispasmodic, antiseptic, and diuretic actions, distinguishing it from single-target synthetic medications. It is supplied either as an oral solution (liquid drops) or in standardized soft capsules.


The Composition of Urolesan: Natural Extracts and Essential Oils

The preparation's efficacy is linked to its synergistic composition, which lacks a single International Nonproprietary Name (INN) but is defined by a blend of natural extracts and essential oils. The formula includes extracts from Dauci Sativi Semenis (Wild Carrot seeds), Humuli Lupuli Fructus (Hops cones), Origani Cretici Herbae (Origanum herb), and Abies Sibirici (Siberian fir), alongside Menthae Piperitae Foliorum Oleum (Peppermint leaf oil). A notable feature is the high content of essential oils suspended in the oily vehicle, which typically includes Ricini Communis Semenis Oleum (Castor seed oil), used for stabilizing and delivering the lipophilic terpenoids derived from these plants.


What is the General Purpose of Urolesan?

The general purpose of Urolesan is to support the functional health of the urinary and biliary systems by easing smooth muscle tension and enhancing fluid flow. The active constituents, such as the essential oils, are associated with properties that help relax the smooth muscles lining the urinary tract. This mechanism assists the body in eliminating waste products more effectively. Fundamentally, this phytomedicine is designed to address functional disturbances, such as reducing general urinary discomfort, and to support the body's natural elimination processes.

Regulatory References

  1. European Union herbal monographs

What side effects are possible with Urolesan?

Possible Side Effects and Safety Information

This section describes the adverse reactions and safety restrictions for Urolesan as officially documented in government regulatory labeling, such as the State Register of Medicinal Products of Ukraine. The information focuses strictly on high-level, label-based safety characteristics.


Official Adverse Reactions and Classification

Adverse reactions associated with Urolesan are officially classified as Not known regarding frequency, meaning their rate of occurrence cannot be reliably estimated from available data. The documented effects are grouped by system-organ class:

  • Gastrointestinal Disorders: Includes documented reactions such as nausea and vomiting.
  • Nervous System Disorders: Includes the documented reaction dizziness.
  • Skin and Subcutaneous Tissue Disorders: Includes reactions such as rash and pruritus (itching).
  • Immune System Disorders: Includes general allergic reactions and the serious adverse reaction, angioedema.

Safety Restrictions and Contraindications

The regulatory label specifies several conditions and patient populations where the use of Urolesan is restricted or prohibited. The preparation is strictly contraindicated in:

  • Children under 7 years old.
  • Pregnant women and women who are breastfeeding.
  • Individuals with severe hepatic impairment or severe renal impairment.
  • Patients with gastric or duodenal ulcers.
  • The presence of kidney stones (Nephrolithiasis) or gallstones (Cholelithiasis) with a diameter greater than 3 mm.

Overdose and Emergency Response

Overdose and When to Seek Help

The official regulatory documentation defines the overdose profile for Urolesan by listing the expected clinical manifestations and mandating specific emergency actions.

Documented Clinical Manifestations Overdose may present with specific, officially documented signs affecting the gastrointestinal and nervous systems. These clinical manifestations include nausea, vomiting, dizziness, and abdominal pain. The regulatory labeling additionally notes the potential for enhanced sedative effects to occur following exposure to quantities exceeding the recommended therapeutic range. Serious or life-threatening complications are not explicitly detailed in the official overdose summary.

Required Emergency Response Upon the suspicion of an overdose, regulatory instructions mandate two immediate actions be taken. First, the medicine must be immediately discontinued. Second, the patient is required to consult a doctor or physician to seek immediate medical attention for a thorough assessment of the symptoms and condition.

Official Supportive Management Protocol No specific antidote for Urolesan is known or documented in the authoritative labeling. Management follows a defined supportive protocol. This involves initiating general symptomatic treatment directed at controlling the manifestations. Specific procedural steps described in the regulatory text include providing intensive warm fluid intake alongside ensuring the patient is at rest. Furthermore, the protocol details the administration of activated charcoal and Atropine sulfate as officially recognized supportive measures in managing an acute overdose situation.

Therapeutic Uses of Urolesan

What Urolesan Treats: Main Uses and Benefits

This medication is applied across therapeutic domains involving distressing symptoms in the urinary and biliary systems. It is commonly used in conditions characterized by periods of heightened symptoms, such as those associated with small kidney or urinary stones (urolithiasis), as well as gallbladder inflammation (cholecystitis) and spasms of the bile ducts.

Urolesan is relevant for easing symptom clusters that may become intense or disruptive, focusing on two main areas. First, it is relevant for easing the acute, cramping pain and spasms (colic) in the kidney or gallbladder area. Second, it is applied when patients experience symptoms related to physical discomfort, such as those associated with burning during urination or a frequent, urgent need to void.

The medication's role is supportive; it contributes to improved comfort during periods of heightened symptoms and assists with maintaining functional stability when symptoms interfere with routine activities. The medication is often used during phases when symptoms become more noticeable and short-term symptomatic assistance is needed.

“This medication is applied in clinical settings that involve acute or unstable symptom patterns related to spasms and irritation.”


Quick Fact: Supportive Management for Urinary and Biliary Spasms

Eligibility and Restrictions for Use

The official eligibility profile for Urolesan is defined by regulatory documents that specify which populations are permitted to use the medicine and which are formally excluded or require special consideration. Use is generally established for adult patients and children aged 14 years and older (capsules), or children aged 2 years and older (syrup/liquid form).

Absolute Regulatory Exclusions

The medicine is Contraindicated (prohibited) for use in the following populations:

  • Individuals with hypersensitivity to any component.
  • Patients with acute gastritis or gastric/duodenal ulcer disease.
  • Children with a documented history of convulsions (seizures).
  • Patients with urinary or gallbladder stones (calculi) where the diameter exceeds 3 mm.

Special Population Status

Population Category Official Regulatory Status Rationale
Pregnancy and Lactation Use Not Established Experience with use during these periods is documented as absent.
Children under 2 years Prohibited Safety and dosage are not established for this age group.
Bronchial Asthma / Diabetes Use with Caution Requires special medical consideration due to formulation components or potential risk of bronchospasm.

The regulatory documentation clearly dictates non-eligibility based on specific medical history, physical thresholds, and developmental stages, ensuring alignment with the product's documented safety profile.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The interaction profile for Urolesan is defined solely by the information present in its official governmental regulatory documents, such as those maintained by national medicines authorities. Based on the publicly retrieved prescribing information for this multi-component phytopreparation, there are no explicit statements detailing known or clinically significant interactions with other medicinal products, foods, or substances.

Official Interaction Status

The regulatory documentation does not formally classify or list specific interaction types, resulting in the following status:

Interaction Type Regulatory Finding
Contraindicated Combinations None formally documented in publicly retrieved official regulatory sources.
Pharmacokinetic Interactions No specific effects on metabolic enzymes (CYP) or drug transporters are formally stated in the label.
Pharmacodynamic Interactions No known additive or synergistic effects with other medicinal products are explicitly documented.
Timing or Separation Rules No mandatory requirements for spacing the administration of Urolesan from other medications are documented.

This structure confirms that regulatory authorities have not published specific findings on how Urolesan may alter the plasma concentration of co-administered drugs or how other substances may affect its exposure. Therefore, the official prescribing information does not currently list any formal restrictions, prohibited combinations, or population-specific cautions related to drug-drug or drug-food interactions. All interaction information is strictly limited to the content explicitly approved and published by the registering government health agency.

Mechanism of Action

Smooth Muscle Tone Regulation and Spasmolysis

This domain involves the modulation of calcium activation and neurotransmitter signaling (specifically at alpha-adrenergic receptor sites) within the smooth muscle tissue of the urinary tract and gallbladder. This interaction initiates a cascade that leads to the relaxation of overactive or dysregulated smooth muscle fibers, resulting in a regulated state characterized by reduced basal contractile force and altered luminal fluid dynamics.


Renal and Hepatic Hemodynamic Modulation

The drug engages mechanisms that influence vasodilation within the microcirculation of the kidneys and liver by modulating local mediator activity. This promotes an increased blood supply to these organs, which alters the local delivery of substrates and mediators, influencing subsequent renal and hepatic processing of waste and metabolites.


Electrolyte and Waste Product Excretion

This cluster involves regulating tubular reabsorption processes in the renal collecting system, specifically affecting the pathways that manage the movement of water and solutes. This modification results in a diuretic effect, driving the net movement of key electrolytes like chlorides and nitrogenous waste products like urea toward the tubular lumen.

Dosage and Administration Information

Official Administration Guidelines for Urolesan Drops

Urolesan is a herbal preparation presented as an oral liquid solution (drops). The official instructions for use define the specific steps, dose, and frequency associated with its administration. These guidelines apply to the use of the liquid drop formulation by adults.

Administration Feature Official Instruction
Route of Administration Oral (by mouth)
Preparation Requirement Drops are applied onto a piece of sugar or a similar carrier before ingestion
Adult Dose 8 to 10 drops per dose
Frequency Three times a day

Procedural Steps for Use

The use of Urolesan drops is structured by the following steps, which are typically repeated three times daily for the specified duration:

  1. Measure: Accurately measure the required 8 to 10 drops of the liquid solution.
  2. Prepare: Place the measured drops directly onto a piece of sugar or an equivalent small vehicle.
  3. Ingest: Consume the prepared dose orally.
  4. Schedule: Repeat this procedure three times daily.

The administration course typically spans from 5 days up to 1 month, depending on the condition being addressed, as determined by a health professional. The dosage of 8–10 drops three times a day is specifically for use by Adults and children over 14 years old. Administration rules for younger children require the liquid form, with the dose determined by a medical professional.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Urolesan

Evidence for Use in Managing Symptoms of Urinary Tract Stones

This section will summarize the types of clinical studies, including comparative trials and observational data, that have investigated the preparation in the context of managing symptoms of kidney and urinary tract stones (urolithiasis/nephrolithiasis).

Research exploring the application of Urolesan in the context of urinary tract stones has largely involved Randomized Controlled Trials (RCTs) and comparative studies. The outcomes monitored typically included assessments of stone expulsion parameters and data related to physical discomfort, such as reported changes in renal colic severity and the frequency of pain medication usage. The evidence provides insight into symptom patterns and data related to temporary physiological status during stone passage.

However, the certainty remains low to moderate. Evidence is limited by a lack of large, high-quality, international systematic reviews that meet the highest global standards. Follow-up durations were limited, meaning that information about long-term effects is not fully established, particularly regarding potential stone recurrence or stability of functional measures over many months.

Evidence for Use in Managing Symptoms of Gallbladder and Biliary Spasms

This block will detail the research landscape, primarily composed of older and regional clinical trials, that examined the preparation and monitored outcomes related to discomfort from spasms in the bile ducts and conditions such as chronic cholecystitis.

Research examined Urolesan in conditions characterized by fluctuating or episodic manifestations within the biliary system. Studies monitored outcomes related to physical discomfort and functional measures of the bile ducts. Because the preparation was frequently studied alongside other conventional treatments, the research setting made isolated assessment of the specific contribution challenging.

Due to the nature and age of many of these trials, certainty remains low, and evidence quality varies across studies. Data for long-term outcomes, functional measures, or recurrence monitoring in the biliary system are still emerging. Comparative evidence against modern standard therapies is also lacking.

Key Studies & References

  1. European Union herbal monograph on Urtica dioica L.; Urtica urens L., herba - Final - Revision 1 (Relevant monograph for one of Urolesan's core herbal components, Nettle Herb)

Frequently Asked Questions (FAQ)

Common questions about Urolesan (FAQ)


Q: Does Urolesan need to be taken with food?

Official information from the product label indicates a typical timing for administration relative to meals. The specific instructions for timing should be followed as directed on the packaging or by a healthcare professional.


Q: How quickly can I expect to notice the effects of Urolesan?

According to regional labeling, the action of Urolesan typically begins within 20–30 minutes after intake. The reported pharmacokinetic data suggests the concentration of active components reaches its peak within approximately one to two hours after intake.


Q: Does Urolesan affect blood pressure levels?

Regulatory safety documents list possible adverse reactions that relate to the cardiovascular system. These possible adverse reactions include reports of changes such as hypotension (low blood pressure) and bradycardia (a slow heart rate).


Q: Can Urolesan be used as a preventative measure for urinary issues?

The official label lists an indication for the prevention of stone formation after their removal. It is intended to help maintain the functional health of the urinary system.


Q: What should I do if I accidentally take more Urolesan than recommended?

Any accidental or severe overdose requires immediate medical attention. It is important to contact a healthcare provider or poison control center immediately.


Q: Can Urolesan be taken by people with a history of acid reflux?

Urolesan is officially contraindicated (prohibited) in patients with conditions like gastric or duodenal ulcer and certain types of gastritis. A discussion with a healthcare provider is generally recommended for individuals with a history of related gastrointestinal issues, such as acid reflux.


Q: Does Urolesan work by killing bacteria or by flushing out the urinary system?

The preparation is officially described as having a dual action. Its properties are described as including both a bactericidal action and a diuretic action, which promotes flushing out the urinary system.


Q: Can Urolesan cause drowsiness or affect my ability to drive?

Official information lists dizziness and weakness as possible adverse reactions. Because these are central nervous system (CNS) effects, caution is typically advised when driving or operating machinery.


Q: Does Urolesan help with the pain or burning sensation of a UTI?

The official pharmacological profile includes anti-inflammatory and antispasmodic properties. Because of these actions, it is indicated for managing the symptoms of conditions like cystitis, which can involve discomfort and irritation.


Q: What is the mechanism of action of the essential oils in Urolesan?

The essential oil components are stated to have properties that contribute to the reduction of inflammatory processes. They also contribute to the preparation's overall diuretic, cholagogic (bile-promoting), and bactericidal effects.


Q: Can people with a known history of liver issues use Urolesan?

Urolesan is officially contraindicated (prohibited) for individuals diagnosed with severe hepatic impairment. Consultation with a healthcare provider is generally necessary for individuals with any history of liver issues before initiating use.


Q: Does Urolesan contain any sugar or alcohol?

The standard administration protocol for the drops involves taking the dose on a piece of sugar, which confirms sugar is involved in the standard intake process. The official documentation confirms that sugar is involved in the standard intake protocol for the drops.


Q: Is Urolesan only for bacterial infections, or can it help with non-bacterial inflammation?

Urolesan is described as having both anti-inflammatory and bactericidal properties. The preparation is described to address both conditions involving bacterial presence and those characterized by inflammation or functional disturbances.


Q: What is the role of fir oil and peppermint oil in the Urolesan formula?

The components, including fir and peppermint oil, contribute to the preparation's documented collective properties, such as diuretic, cholagogic, and bactericidal action. They work to support the reduction of inflammatory processes and help normalize smooth muscle tone.

How should Urolesan be stored and disposed of?

How to Store and Dispose of Urolesan

Official regulatory information defines specific environmental and stability requirements for storing Urolesan. The product must be kept at a temperature not exceeding 25, C and should be protected from light.

Storage must occur in the original packaging and the medicine must be secured in a location that is out of the sight and reach of children.

For the Oral Solution (Drops), a specific in-use constraint applies: the product must be discarded 28 days after the bottle is first opened, regardless of the printed expiration date.

Expired or unused Urolesan must not be disposed of in household waste or wastewater. Patients are instructed to consult a pharmacist regarding proper pharmaceutical waste disposal procedures to comply with environmental regulations.

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

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