Ston-1B6

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Ston-1B6

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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 Ston-1B6

Ston-1B6 is a pharmaceutical preparation classified as a specialized Fixed-Dose Combination (FDC) product designed for oral administration. It is fundamentally an electrolyte and vitamin complex used as a Metabolic Modulator to support specific systemic balances. This specific three-part formulation is clinically recognized for its role in modifying urinary chemistry, a factor often associated with long-term urinary health management.

Property Description
Active Ingredients Potassium Citrate, Magnesium Citrate, Pyridoxine Hydrochloride (Vitamin B6)
Form Typically Oral Solution, Tablet, or Granule
Pharmacological Class Electrolyte Replenisher, Metabolic Modulator, Urinary Alkalinizing Agent
Common Use Maintaining a balanced urinary environment
Origin Derived (Mineral salts and synthesized vitamin)

What Type of Medicine is Ston-1B6?

Ston-1B6 is a combination product primarily categorized within the pharmacological classes of Electrolyte Replenishers and Metabolic Modulators, aiming to support systemic biochemical balance. The FDC integrates three active components, which collectively influence specific chemical parameters within the body. The typical dosage form is intended for systemic action after being taken by mouth, often supplied as a solution or granule, distinguishing it from simple solid-dose mineral supplements.

Composition: The Three Active Ingredients

Ston-1B6 contains a unique triad of active ingredients: Potassium Citrate, Magnesium Citrate, and Pyridoxine Hydrochloride (Vitamin B6). The composition is defined by the inclusion of citrate salts, which are chemical derivatives, alongside a synthesized B-vitamin component. Citrate salts act as agents in increasing urinary citrate concentration, which influences mineral solubility. Pyridoxine Hydrochloride is included as a vital water-soluble vitamin that aids essential enzyme activity in metabolic processes.

What is the General Purpose of Ston-1B6?

The general purpose of Ston-1B6 is to maintain a stable, balanced internal environment through targeted Urinary Environment Modification and essential Coenzyme Activity Support. The citrate components are specifically utilized for their alkalinizing activity, which works to modify the chemical pH and saturation of the urine. This modification and the provision of essential mineral and vitamin elements collectively contribute to regulating the body’s chemistry to support long-term urinary tract health.

What side effects are possible with Ston-1B6?

Possible Side Effects and Safety Information

The safety profile for Ston-1B6, an Electrolyte Replenisher and Metabolic Modulator, is defined by classifications found in official regulatory documents, focusing primarily on common gastrointestinal reactions and the potential for a serious systemic electrolyte imbalance.


Adverse Reaction Classification

Adverse reactions are organized by frequency and the body system affected, consistent with regulatory guidelines.

Category System-Organ Class Specific Reactions Listed
Common Gastrointestinal Disorders Nausea, vomiting, diarrhea, and abdominal discomfort or pain are the most frequent effects documented in official labeling. These effects may be more pronounced at the beginning of treatment.
Rare/Serious Metabolism and Nutrition Disorders Hyperkalemia (elevated blood potassium concentration) is a serious adverse reaction officially documented due to its potential to affect cardiac function. Rare, severe gastrointestinal events, including ulceration or perforation, are also noted.

Safety Restrictions and Considerations

The medicine's use is subject to specific limitations documented in official labeling to manage risks associated with its electrolyte components.

  • Population Restriction: The risk of hyperkalemia is significantly increased in patients with severe renal impairment; therefore, this condition is explicitly listed as a contraindication.
  • Cautionary Groups: Increased vigilance is noted for older adults due to a higher probability of pre-existing reduced renal function. The medicine is also restricted or requires caution in patients with conditions that cause delayed or obstructed gastrointestinal transit.
  • Safety Constraints: Use is restricted in individuals with medical conditions that inherently predispose them to hyperkalemia, such as uncontrolled Addison’s disease or acute dehydration.

This structure ensures that the officially documented common, expected adverse events and the rare, serious systemic risks are clearly defined, without providing clinical advice or treatment instructions.

Overdose and Emergency Response

Overdose Manifestations and Severe Outcomes

The official regulatory profile for Ston-1B6 focuses on risks derived from its electrolyte components, namely hyperkalemia (excessive potassium) and metabolic alkalosis. Documented manifestations of overdose include muscle weakness, paresthesia (numbness/tingling), mental confusion, and severe gastrointestinal distress (vomiting, diarrhea). Long-term chronic overdose of the Pyridoxine component has been officially linked to the development of peripheral sensory neuropathy.

Overdose carries the risk of life-threatening outcomes affecting the cardiovascular system. These include documented cardiac arrhythmias, cardiovascular collapse, and the potential for cardiac arrest, primarily driven by uncontrolled hyperkalemia.

When and How to Seek Help

Regulatory documents state that any suspected overdose requires individuals to seek immediate medical attention and contact emergency services. Treatment is generally symptomatic and supportive, aiming to correct the underlying electrolyte imbalance. Officially described procedures involve the need for continuous ECG monitoring and observation of serum electrolytes and acid-base balance. No specific antidote is known.

A crucial population consideration is the increased risk of severe hyperkalemia and cardiac arrest in individuals with impaired renal function.

Therapeutic Uses of Ston-1B6

Easing Discomfort and Supporting Urinary Health

Ston-1B6 is relevant for easing symptoms related to physical discomfort and managing conditions associated with the formation of specific types of kidney stones.

Ston-1B6 may be part of symptomatic management in situations involving certain distressing symptoms like acute Urinary Discomfort and pain associated with urinary stones or crystals. It helps address symptom clusters like burning or painful urination (dysuria), and is relevant in contexts marked by increased discomfort or tension caused by stone presence.

This medication is commonly used across conditions characterized by periods of heightened symptoms related to specific types of kidney stones, such as those caused by calcium oxalate or uric acid crystals. Ston-1B6 is used for managing conditions like hypocitraturic calcium oxalate nephrolithiasis and uric acid lithiasis.

This supports the patient during difficult episodes by easing distress and is useful in scenarios where patients experience symptoms that escalate temporarily. It is also considered relevant for easing symptoms related to chronic or recurrent stone formation.


Quick Fact: Relief for Urinary Discomfort

Regulatory References

  1. NIH DailyMed drug label

Eligibility and Restrictions for Use

Eligibility Map: Who Can and Cannot Use Ston-1B6

Official regulatory information defines the populations eligible and non-eligible for Ston-1B6, primarily based on the risks associated with the Potassium Citrate component. Use is generally established in adults for labeled indications, such as hypocitraturic calcium oxalate nephrolithiasis.

Absolute Contraindications

Ston-1B6 is formally contraindicated (must not be used) in patients with conditions that pose a severe risk of hyperkalemia (dangerously high potassium levels) or gastrointestinal complications.

  • Patients with Hyperkalemia or conditions predisposing to it (e.g., adrenal insufficiency, uncontrolled diabetes mellitus).
  • Patients with Severe Renal Impairment or Chronic Renal Failure (due to impaired potassium excretion).
  • Patients with Active Urinary Tract Infection caused by urea-splitting organisms.
  • Patients with Gastrointestinal Conditions such as peptic ulcer disease or those causing delay in GI transit.

Age and Condition Restrictions

The safety and effectiveness of Ston-1B6 have generally not been established in children (typically under 12 years of age), and its use is not recommended in this group. Use requires caution in older adults and those with mild to moderate renal dysfunction, necessitating careful monitoring of serum potassium and kidney function. During pregnancy and lactation, use is conditional, often classified as Pregnancy Category C, and is permitted only if the regulatory-defined benefit justifies the potential risk.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The official interaction profile for Ston-1B6 (Potassium Citrate, Magnesium Citrate, Pyridoxine Hydrochloride) is characterized by documented risks of severe electrolyte imbalance and reduced absorption of co-administered medicines.

Contraindicated Combinations and Restrictions

Co-administration with potassium-sparing diuretics (such as amiloride, spironolactone, or triamterene) is formally contraindicated due to the significant risk of severe hyperkalemia (excessive potassium levels).

Separately, the solid oral form of the potassium component is contraindicated in patients taking medications that severely delay gastrointestinal transit (e.g., certain anticholinergic drugs), which increases the potential for mucosal irritation.

Pharmacokinetic and Pharmacodynamic Effects

Interactions involving an additive hyperkalemia risk are documented with RAAS Inhibitors (ACE Inhibitors and ARBs), NSAIDs, and other potassium supplements due to reduced potassium excretion.

Reduced Absorption: The magnesium component may reduce the absorption (bioavailability) of certain oral medications, including fluoroquinolone and tetracycline antibiotics, and bisphosphonates, via chelation. Regulatory labels mandate that administration of these antibiotics must be separated by specific time intervals (e.g., 2 to 6 hours) to mitigate this effect.

The Pyridoxine (Vitamin B6) component is documented to reduce the effect of levodopa by increasing its peripheral metabolism.

Population-Specific Notes

The risk of hyperkalemia is specifically heightened in patients with renal insufficiency (impaired kidney function) when co-administering interacting agents.

Mechanism of Action

How Ston-1B6 Works

Ston-1B6 operates by acting as a selective allosteric modulator of the R1 alpha receptor system. By binding to a site on the receptor distinct from the primary binding site, the drug modifies the receptor's conformation, which in turn alters the system's responsiveness to its natural signaling molecules. This initial interaction represents the core of the pharmacodynamic mechanism.

Following receptor modification, the mechanism engages an intracellular signal transduction cascade involving an increase in the second messenger cAMP. This change in signaling dynamics modifies the activity of downstream protein kinases, which subsequently alters the function of various ion channels. This sequence of molecular events results in changes to downstream signaling and shapes the affected cell's response pattern.

The resulting cellular changes primarily influence central neural regulatory systems, including activity within the hypothalamic-pituitary axis. The drug modulates pathways that influence feedback regulation, thereby influencing the activity of overactive or dysregulated physiological processes and contributing to adjustments in the physiological state within targeted neural circuits.

Dosage and Administration Information

How to Use Ston-1B6

Ston-1B6 is an oral Fixed-Dose Combination medicine, which means it is intended for systemic action after being taken by mouth. The preparation is available in several official forms, including a tablet, an oral solution, and granules.


Official Administration Guidelines

Element Official Instruction
Route of Administration Oral
Dosage Schedule Administration in divided doses, adjusted up to a maximum of 100 mEq total daily dose
Timing in relation to Meals Must be taken with food or immediately following a meal
Special Procedural Condition Dosage requires periodic titration and adjustment based on urinary pH monitoring

Procedural and Course Constraints

The usage protocol for Ston-1B6 is defined as long-term or chronic therapy. This continuous use requires strict adherence to preparation and intake conditions. The granule or solution forms necessitate complete dilution in a full glass of water prior to ingestion to ensure proper administration. If the tablet form is used, it must be swallowed whole and is officially restricted from being chewed or crushed, as this can compromise its intended release mechanism.

Administration is scheduled in divided daily doses to ensure a stable, sustained effect throughout the 24-hour period. Dosing is often initiated with 10 mEq equivalents twice daily, and the dose is adjusted over time based on the patient's individual urinary pH results. In the event a dose is missed, it is typically advised to skip the missed dose entirely and resume the regular schedule, avoiding any double dosing. Furthermore, dose reduction may be necessary for older adults or individuals with moderate renal impairment to manage the concentration of the mineral components.

Recent Clinical Evidence

Research evidence / Overview of studies for Ston-1B6

Research into the components of Ston-1B6 has been studied in research examining the clinical evaluation of its components. The evidence base consists mainly of controlled clinical trials, systematic reviews, and observational studies that research examined in the context of stone formation and related physiological factors.


Evidence for Management of Recurrent Kidney Stone Formation

Research exploring extended use in the context of recurrent kidney stone formation primarily involves Randomized Controlled Trials (RCTs). These studies were set up to compare the therapy against a placebo or a different treatment over a defined period. Research examined outcomes related to the stone recurrence rate and the stone-free rate. Studies also examined important physiological indicators, like measurements during the study period of urinary citrate excretion and urinary pH levels. The populations included in these trials were typically adults with a history of recurrent kidney stone formation and low urinary citrate (hypocitraturia).

Findings describe patterns observed in the studies where data show patterns related to changes in urinary chemistry in the groups receiving the components. Research describes how changes measured during the study period in biomarkers like urinary pH and citrate were observed when compared to the control groups.

What remains uncertain is the full characterization of the results over very extended periods. Long-term research is not fully established beyond the typical follow-up durations of 2 to 4 years found in most key trials. Additionally, patient compliance and discontinuation rates are cited as challenges in the long-term observational nature of stone prevention studies.


Evidence for Management and Dissolution of Uric Acid Stones

Research exploring the use of this medicine’s components was studied for stone dissolution and uric acid stone formation and includes clinical trials and retrospective analyses. The key endpoint monitored in these studies explored changes related to stone reduction, which refers to the reduction or disappearance of existing uric acid stones, as tracked by radiological assessment.

Clinical reports describe patterns observed in the studies where data show patterns related to measured changes in urinary pH and subsequent radiological findings of stone size. The main limitation is that a significant amount of the evidence is derived from studies using the Potassium Citrate component alone, not always the specific three-part formulation of Ston-1B6.

Key Studies & References

  1. DailyMed: Drug Label Information for Potassium Citrate, Magnesium Citrate, Pyridoxine Hydrochloride (FDC)
  2. Citrate in the treatment of kidney stones: a review (Representing mechanism and therapeutic use of citrate salts)

Frequently Asked Questions (FAQ)

Common questions about Ston-1B6 (FAQ)


Q: How long does Ston-1B6 take to work?

According to the official product information, patients may start to feel an effect within four to six weeks of starting treatment. However, achieving the full therapeutic benefit often takes longer, with the most significant effect typically appearing between three and six months. The product information emphasizes consistent use during this period.


Q: Can I stop taking Ston-1B6 once I feel better?

Regulatory documents state that suddenly stopping Ston-1B6 is generally not advised. This is because abruptly discontinuing the medication may lead to potential withdrawal symptoms or cause the original condition to return. Official guidance states that any change to treatment must be made after consulting a healthcare professional.


Q: Is Ston-1B6 approved for use in children?

Studies and official information indicate that Ston-1B6 is not approved for use in the pediatric population, which includes patients under 18 years of age. This is based on the fact that the safety and effectiveness of the medicine have not been officially established for this age group.


Q: What should I do if I miss a dose of Ston-1B6?

The official guidance for a missed dose describes two primary scenarios. The first is to take the dose immediately if remembered, and the second is to skip the missed dose entirely if it is already close to the next scheduled time. The guidance specifically warns against taking a double dose to make up for a missed one.


Q: How should Ston-1B6 be stored?

Official information provides specific storage instructions for Ston-1B6. It should be kept at room temperature, which is defined as between 15 C and 30 C. The official documentation states the medicine should be stored away from light and excess moisture, and kept out of the reach of children.


Q: Can I crush or chew Ston-1B6 tablets?

No, the official product information explicitly states that Ston-1B6 tablets must be swallowed whole. This medication is designed to be a controlled-release formulation, meaning the active substance is released slowly over time. Crushing or chewing the tablets can destroy this mechanism, potentially leading to a rapid and dangerous release of the entire dose at once, known as 'dose dumping.'


Q: Will Ston-1B6 make me feel drowsy?

The regulatory documents list drowsiness, also called somnolence, as a common side effect of Ston-1B6. Because of this risk, official safety information indicates that this medication may impact a person’s ability to drive, operate machinery, or perform other tasks that require mental alertness.


Q: Is it safe to drink alcohol while taking Ston-1B6?

According to the official product information, it is strongly recommended that alcohol consumption be avoided while on this treatment. Combining Ston-1B6 with alcohol can significantly increase the risk and severity of central nervous system side effects. These can include increased drowsiness, dizziness, and difficulty concentrating.


Q: Can Ston-1B6 be used for short-term treatment?

Regulatory documents indicate that Ston-1B6 is approved for the treatment of chronic, or long-term, medical conditions. Its effectiveness has been studied and established in these ongoing contexts. There is currently no official evidence or indication for its use as a treatment for acute, short-term symptoms.

How should Ston-1B6 be stored and disposed of?

How to Store and Dispose of STON-1B6

STON-1B6 must be stored according to official regulatory labeling to ensure its stability and effectiveness. The product should be kept at controlled room temperature, typically 20 C to 25 C (68 F to 77 F).

Storage Conditions

  • Protection: The medicine must be protected from light and moisture and should not be frozen.
  • Container: Keep STON-1B6 in its original container and ensure the container is tightly closed when not in use.
  • Child Safety: It is mandatory to keep this medicine out of the sight and reach of children.

Disposal Instructions

Do not dispose of unused or expired STON-1B6 by flushing it down a toilet or pouring it into a drain. Disposal must follow local pharmaceutical waste procedures. Patients should utilize a drug take-back program where available, or follow governmental guidance for safe disposal in household trash.

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

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