Uralyt-U

Quick links to important sections

Uralyt-U

Selected form

Method of action: Urologicals

Treatment option:

Medically reviewed

Rosario Oropesa

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 Uralyt-U

Quick Facts

Property Description
Active Ingredients Citric Acid, Potassium Citrate, Sodium Citrate
Form Granules (for oral solution)
Pharmacological Class Urinary Alkalinizer; Alkali Citrate
Common Purpose Modifying urine pH to increase solubility
Origin Synthetic/Derived Combination Product

Uralyt-U: A Specialized Urinary Alkalinizer

Uralyt-U is a specialized medicinal entity, frequently recognized as a specific brand name for the combination of Alkali Citrates. It is classified pharmacologically as a Urinary Alkalinizer and is listed as a Calculi Dissolution Agent.

The product's fundamental purpose is to chemically modify the internal environment of the urinary tract through a systemic action, initiating its effects after being metabolized by the body. The use of alkali citrates for this specific application is clinically recognized in the management of urinary chemistry.

Composition and Pharmaceutical Form

Uralyt-U is defined as a combination product containing three principal active ingredients: Citric Acid, Potassium Citrate, and Sodium Citrate, which combine to form the complex salt Potassium Sodium Hydrogen Citrate.

This formulation is a synthetic/derived product supplied in the dosage form of granules intended for the preparation of an oral solution. This specific presentation, an easily dissolvable granule, ensures consistent delivery of the citrate salts via the oral route of administration. Once absorbed, the citrate ion undergoes metabolic breakdown, a physiological action that generates bicarbonate, which is responsible for increasing the body's base load.

The General Purpose of Citrate Salt Formulations

The overall general purpose of Uralyt-U is to create a controlled, slightly alkaline urinary environment by raising the urine pH to a desired, stabilized range. By achieving sustained urine alkalization, the resulting increase in solubility creates conditions chemically unfavorable for the precipitation and aggregation of certain crystalline components, thus supporting the urinary tract's fundamental chemical management processes.

Regulatory References

  1. NIH MedlinePlus: Urine pH test and Potassium Citrate

What side effects are possible with Uralyt-U?

Possible Side Effects and Safety Information

This section details the officially documented adverse effects and safety characteristics for Uralyt-U (Potassium Sodium Hydrogen Citrate), based strictly on government regulatory documents.


Adverse Reactions by Frequency

The most commonly reported adverse effects are typically related to the digestive system, as classified in regulatory documents:

Frequency Effect (System-Organ Class)
Common Mild gastric or abdominal pain (Gastrointestinal Disorders)
Rare Mild diarrhoea, nausea (Gastrointestinal Disorders)
Not Known Allergic reactions (Immune System Disorders)

Serious Safety Risk and Restrictions

The primary serious risk documented relates to the potential for a severe electrolyte imbalance:

  • Hyperkalaemia: A documented risk of elevated potassium levels that, in susceptible patients, can lead to serious events, including cardiac arrest. Symptoms may include muscle weakness or numbness of the limbs.

Key Safety Constraints (Contraindications)

Uralyt-U is contraindicated (should not be used) in the presence of specific pre-existing conditions:

  • Impaired Renal Excretory Function: Including acute or chronic renal failure.
  • Hyperkalaemia Risk: Pre-existing conditions that predispose to high potassium levels (e.g., Addison’s disease, severe myocardial damage).
  • Metabolic Status: Patients with existing metabolic alkalosis.
  • Infections: Chronic urinary tract infections caused by urea-splitting bacteria.

Population-Specific Notes

Official regulatory documents include specific notes for certain groups:

  • Pediatric Use: Treatment is not recommended for children under 12 years of age due to a lack of sufficient clinical experience.
  • Severe Hepatic Impairment: Use requires caution in patients with severe disturbances of liver function.

Overdose and Emergency Response

Overdose Manifestations and Risks

Overdose of Uralyt-U is officially documented as primarily leading to severe physiological disturbances characterized by Metabolic Alkalosis and life-threatening Hyperkalemia (excessive serum potassium). These conditions stem from the excessive systemic alkali load and the high potassium content of the medication. The severe outcomes documented in regulatory sources include cardiac conduction abnormalities or cardiac arrest, which are critical risks associated with severe potassium imbalance. Gastrointestinal disturbances such as abdominal pain may also occur following excessive intake.

Regulatory documentation specifically notes that the risk and severity of Hyperkalemia are significantly increased in patients with impaired renal function, as the kidneys' ability to regulate and excrete the excess alkali and potassium is compromised.

Required Emergency Actions

The official prescribing information mandates specific actions when overdose is suspected. Due to the potential for severe cardiac and metabolic derangements, it is required to seek immediate medical attention or contact emergency services if severe symptoms manifest. These severe symptoms include, but are not limited to, irregular heartbeat, difficulty breathing, or profound generalized weakness.

Management, as described in regulatory documents, involves symptomatic and supportive treatment. This necessitates the monitoring of vital signs, focusing particularly on continuous ECG monitoring and frequent monitoring of serum electrolytes and acid-base balance. The official labeling confirms that no specific antidote is known for the chemical overdose of the citrate salts, making corrective intervention for the resulting imbalances the mandatory course of action.

Therapeutic Uses of Uralyt-U

What Uralyt-U Treats: Main Uses and Benefits

The primary therapeutic use of Uralyt-U, a specialized urinary alkalinizer, is applied across therapeutic domains involving symptoms related to systemic imbalance that lead to stone formation. This treatment is considered relevant in the management of metabolic health.


Uralyt-U is generally indicated for the active dissolution of existing uric acid calculi (stones) and contributes to the metaphylaxis (long-term prevention) of new stone formation, which may include certain calcium oxalate and mixed stones. The medication also assists with managing complications associated with metabolic conditions, such as Hyperuricemia and Cystinuria. It is commonly used as a prophylactic measure to protect the kidneys during certain high-risk medical therapies like cytostatic treatment.

The primary benefit supports the patient during difficult episodes by easing symptoms linked to organ-specific functional stress. This stabilization helps maintain a sense of stability when symptoms are more noticeable.


Quick Fact: Relief for Recurrent Stone Risk
Uralyt-U is commonly used across conditions presenting with recurrent or episodic manifestations where systemic imbalance creates noticeable physiological strain. The medicine is commonly used to help maintain a sense of stability when symptoms are more noticeable, assisting with long-term comfort.

Regulatory References

  1. NHS guidance on Dissolving Uric Acid Stones

Eligibility and Restrictions for Use

Who Can and Cannot Use Uralyt-U?

The official eligibility profile for Uralyt-U is defined by specific regulatory criteria, restricting use based on a patient’s organ function, age, and pre-existing metabolic status.


Approved and Restricted Populations

Uralyt-U is generally approved for use in the adult population, including diabetic patients. However, use is not recommended for children under 12 years of age due to insufficient clinical experience documented in regulatory filings.

Use requires caution and restricted monitoring for patients with severely impaired liver function or for older adults who may be taking concomitant medications that affect potassium levels. Regulatory documents state that the medicine may be used during pregnancy and lactation under specified dose recommendations.


Absolute Contraindications

The medicine is absolutely contraindicated in populations where the risk of systemic imbalance is high. This includes patients with impaired renal excretory function, metabolic alkalosis, or hyperkalemia (high plasma potassium levels). It is also contraindicated in patients with specific conditions, such as chronic urinary tract infections caused by urea-splitting bacteria, or known hypersensitivity to any component of the granules, including the excipient Yellow Orange S (E110).

What should I know about interactions with other medicines?

Interactions with other medicines and products

Uralyt-U (Potassium Sodium Hydrogen Citrate) has specific officially documented interactions that primarily relate to its effects on urinary pH and systemic potassium levels. These interactions require careful consideration to manage concurrent therapies effectively.


Contraindicated and Restricted Combinations

The co-administration of potassium-sparing diuretics (e.g., amiloride, triamterene) is strictly contraindicated due to the high risk of severe hyperkalemia (elevated potassium levels). This restriction also extends to other potassium-retaining agents (including certain ACE inhibitors and NSAIDs), especially in patients with impaired renal function.


Pharmacodynamic and Absorption Interactions

Uralyt-U's effect of urinary alkalization impacts the action of other drugs. It can reduce the therapeutic efficacy of medications requiring an acidic urine, such as certain urinary antiseptics (e.g., methenamine) and salicylates.

Interacting Substance/Class Practical Implication Timing Rule
Aluminum-containing antacids Increased aluminum absorption Separate by at least 2 hours
Cardiac Glycosides Effects may be altered by changes in extracellular potassium
Quinolone Antibiotics Reduced solubility; increased risk of crystal formation

These constraints are defined in regulatory documents to ensure safe usage when combining Uralyt-U with other medicinal products.

Mechanism of Action

Uralyt-U is composed of alkali citrates that are absorbed systemically. Upon reaching the liver, the citrate component undergoes subsequent hepatic metabolism, resulting in the generation of bicarbonate ( HCO3^-). This bicarbonate is then excreted via the kidneys, thereby increasing the pH of the urine, a process known as alkalinization. This increase in pH is the primary pharmacodynamic mechanism: it enhances the solubility of uric acid and promotes the necessary ionization of undissociated uric acid crystals. Furthermore, the presence of citrate in the renal filtrate modulates the tubular handling of divalent cations. Citrate binds with calcium ions ( Ca^2+) to form soluble complexes, which reduces the effective concentration of free calcium available for precipitation. This systemic alteration of urinary electrolyte excretion influences calcium homeostasis.

Dosage and Administration Information

How to Use Uralyt-U: Official Administration Guidelines

Uralyt-U is a granular preparation that must be dissolved in half a glass of water or fruit juice and taken as an oral solution, preferably after meals. The treatment protocol is structured into two essential stages: an initial dose adjustment followed by long-term administration, both guided by strict patient self-monitoring.

Administration and Dosage Schedule

Time of Day Dose (Measuring Spoonfuls) Administration Rule
Morning (approx. 7–8 a.m.) 1 Dissolve and drink after breakfast
Midday (approx. 2–3 p.m.) 1 Dissolve and drink after lunch
Evening (approx. 10 p.m.) 2 Dissolve and drink after the last meal; this is the dose typically adjusted for pH control

The average daily dose is 4 measuring spoonfuls (10 g), divided into three doses. The evening dose is the primary point of adjustment. The medicine is not recommended for children under 12 years of age due to insufficient clinical experience.

Dose Adjustment by Urine pH Monitoring

The correct dose is strictly governed by the measured pH value of freshly voided urine. Immediately before taking each dose, the patient must use the provided indicator paper to measure the urine pH, and the result must be recorded on the supplied test chart.

  • Target pH Range (for uric acid stones): pH 6.2 – 6.8.
  • Dose Increase: If the measured pH is below the target range, the evening dose should be increased by half a measuring spoonful.
  • Dose Decrease: If the measured pH is above the target range, the evening dose should be reduced by half a measuring spoonful.

Missed Dose Instructions

If a dose is missed, it should be taken as soon as possible. However, if it is 2 to 3 hours or less before the next scheduled dose, the missed dose should be skipped to follow the regular dosing schedule. Never take two doses at one time.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Uralyt-U


Evidence for Use in Uric Acid Stones

Research has extensively examined the use of alkali citrates, including the combination found in Uralyt-U, for the metaphylaxis of uric acid stone conditions. Studies available include high-quality systematic reviews and randomized controlled trials (RCTs). These studies were generally conducted in adults diagnosed with existing uric acid stones or those at risk of recurrence. Researchers primarily monitored changes in the size and volume of the stones over time using imaging, and also tracked the frequency of new stone formation.

Studies reported measurements describing patterns observed in stone composition and size when the medication was administered over several months. For patients studied over a year or more, observational data was gathered to monitor the frequency of episodic manifestations. While the overall evidence level is assessed as high, some research highlights that follow-up durations were limited in specific trials, and high dropout rates may impact the representativeness of that long-duration data.


Evidence for Use in Calcium-Containing Stones

Research has explored alkali citrates in the context of metaphylaxis (long-term prevention) for certain calcium-containing stones, particularly in patients with low urinary citrate levels. This evidence is primarily derived from RCTs and other controlled trials that focused on adult patients with recurrent stone formation. Researchers examined outcomes related to urinary chemical risk factors, such as measuring the concentration of citrate in the urine.

Studies reported patterns of changes measured in urinary citrate levels during the study period. The evidence quality varies across studies, leading to an overall moderate evidence level assessment in this area. The certainty for this application is not fully established. Comparative evidence is lacking against modern preventive therapies, and high subject withdrawal rates introduce uncertainty into the long-term findings.


Research in Specialized Conditions (Cystinuria) and Research Gaps

Research exploring the use of alkali citrates for conditions presenting with cystinuria—a rare condition leading to cystine stones—primarily involves achieving a very high urinary pH. Systematic trials specifically evaluating the combination product for this condition are limited. The existing evidence is mainly derived from case reports and small observational series. Because the research is supported by small-scale reports, the overall certainty remains low.

Across all indications, data for certain groups remain insufficient. Specifically, the evidence base provides limited information for long-term outcomes in pediatric populations (children under 12). Furthermore, long-term effects are not fully established for all outcomes, particularly the durability of stone prevention in calcium-stone formers. Research is ongoing to explore areas where data remains insufficient.

Key Studies & References

  1. Citrate salts: Preventing kidney stones - The Royal Australian College of General Practitioners (RACGP)
  2. Dissolving Uric Acid Stones using Potassium Citrate - NHS Foundation Trust Patient Information Leaflet (Supports study context and common practice)

Frequently Asked Questions (FAQ)

Common questions about Uralyt-U (FAQ)

Q: How quickly should I notice the effects of Uralyt-U?

A: According to the official product information, the effect of Uralyt-U is fast-acting. The chemical process of shifting urine pH begins after the medicine is taken. This action supports the adjustment of the urine pH toward the target optimal range, often achieved within a few days when following the monitoring protocol.

Q: Are there common vitamins or supplements that interact with Uralyt-U?

A: Official warnings generally advise patients to inform a healthcare professional about all concurrent treatments, including vitamins and herbal supplements. Uralyt-U works by changing the urine pH. Any agent that alters the acidity ( pH) of the urine could potentially affect the medicine’s intended action of alkalization.

Q: Can Uralyt-U be used for treating gout attacks?

A: The medicine’s primary purpose, as described in official documents, is to increase urine pH to dissolve and prevent uric acid crystals and stones. Some official sources refer to its use in managing high uric acid levels, which is the underlying cause of gout.

Q: Does Uralyt-U affect blood pressure?

A: Official documents describe no direct effect of the medicine on blood pressure. However, caution and monitoring are advised due to potential interactions with medicines that affect blood pressure, such as certain ACE inhibitors. This is mainly due to the risk of severe hyperkalemia (high potassium levels) when combining medications.

Q: Why do official documents mention keeping a urine pH diary when using this medicine?

A: The monitoring and recording of urine pH is necessary to ensure the correct dose is used. Official instructions require this self-monitoring so the dose can be adjusted to keep the urine pH within the target range for effectiveness. Maintaining the correct pH is also important to minimize the potential for risks associated with the urine becoming excessively alkaline.

Q: Can Uralyt-U be used for kidney stones that are not uric acid stones?

A: Studies and official product information indicate the medicine is used for more than just uric acid stones. It is also indicated for the metaphylaxis, which is the long-term prevention of recurrence, of certain calcium-containing stones. Limited research also explores its use to manage the urinary environment in cases of cystine stones.

Q: Can someone take Uralyt-U if they have pre-existing kidney problems?

A: Official regulatory documents list specific kidney problems as reasons the medicine should not be used. Uralyt-U is absolutely contraindicated in patients who have impaired renal excretory function, including acute or chronic renal failure.

Q: Does official research show Uralyt-U can prevent stones from coming back?

A: Yes, research has examined the use of alkali citrates, including Uralyt-U, for the metaphylaxis (long-term prevention) of stone recurrence. Research has focused on uric acid stones, with other studies exploring its use in certain calcium-containing stones.

Q: Do any official sources mention Uralyt-U being safe during pregnancy or breastfeeding?

A: Official documents state that the medicine may be used during pregnancy and lactation when specified dose recommendations are followed. This is based on available data where no indications for harmful effects have been noted.

Q: Does Uralyt-U contain sodium or other salts I need to worry about?

A: Yes. The active ingredient in the medicine is a complex salt called Potassium Sodium Hydrogen Citrate. This composition means the granules contain both potassium salts and sodium salts (Sodium Citrate and Potassium Citrate) as part of the formula.

Q: Are there any specific foods or drinks that should be avoided while taking Uralyt-U?

A: Official documents do not list specific foods or drinks that must be strictly avoided. Instead, they recommend that the use of Uralyt-U should be part of a general treatment plan that includes appropriate dietary measures and increased fluid intake.

Q: Is Uralyt-U considered a long-term treatment option?

A: The medicine is frequently used for long-term treatment, particularly for stone prevention, or metaphylaxis. Official guidance suggests continuing use for at least three months after stones have been dissolved. Intermittent administration is also described as a strategy for long-term prevention.

Q: What are the main potential risks of using Uralyt-U?

A: The most serious risk documented in official warnings relates to the potential for a severe electrolyte imbalance called hyperkalemia, or elevated potassium levels. In susceptible patients, this condition can lead to serious events, including problems affecting the heart. Contraindications are listed to minimize this risk.

Q: Does Uralyt-U cause drowsiness or affect my ability to drive?

A: Official sources provide safety statements regarding driving and machine use. They state that Uralyt-U has no or negligible influence on a patient's ability to drive or use machinery.

Q: What should a patient do if they accidentally take more Uralyt-U than usual?

A: Official guidance for taking too high a dose involves contacting a healthcare professional, such as a doctor or a poison control center. Any accidental excess dose can be recognized by checking the pH of the urine, and the dose can be corrected by reducing the next scheduled amount.

Q: Can Uralyt-U be taken by people with diabetes?

A: Yes, Uralyt-U is generally approved for use in the adult population, including those who are diabetic patients. The product information states that the sugar content of the granules may be a necessary consideration for individuals managing diabetes.

Q: Can Uralyt-U interact with herbal remedies or traditional medicines?

A: Yes, official warnings advise patients to inform their healthcare professional about all concurrent treatments. This includes not only prescription and over-the-counter drugs but also herbal remedies and traditional medicines, due to the potential for unforeseen interactions.

How should Uralyt-U be stored and disposed of?

How to Store and Dispose of Uralyt-U

Uralyt-U granules must be maintained under specific conditions to preserve their stability, as stipulated by official regulatory documents.

Storage Requirements

The product must be stored at a temperature not exceeding 30 C; in some regions, the requirement specifies a temperature not exceeding 25 C. The granules must be protected from direct sunlight, heat, and moisture, and the container should be kept tightly closed. For safety, the medicine must always be stored out of the sight and reach of children.

Disposal Instructions

Official protocol requires that any unused solution must be discarded. The medicine should not be kept once it is outdated or no longer required. Patients must ask a healthcare professional or pharmacist how to dispose of medicine no longer needed, ensuring the procedure adheres to local regulations.

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

Available in countries:

Equivalent of Uralyt-U found in:

A-Z Index: