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Citrate de Sodium

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Citrate de Sodium

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Overview of Citrate de Sodium

Quick Facts

Property Description
Active ingredient Sodium Citrate (Trisodium citrate)
Form Oral Solution, Crystalline Powder
Pharmacological class Systemic Alkalinizing Agent
General purpose Balancing the body's acid-base (pH) level
Origin Derived (synthetic neutralization of Citric acid)

What Type of Medicine is Citrate de Sodium?

Citrate de Sodium is the common chemical name for the medicinal entity whose active ingredient is Sodium Citrate (trisodium citrate). This substance is officially classified as a Systemic Alkalinizing Agent and a Urinary pH Modifier. Sodium Citrate belongs to the broader pharmacological class of minerals and electrolytes and is a derived substance, created through the chemical neutralization of Citric acid. Its role in pH management is a recognized pharmacological property.

The compound is typically prepared for the oral route of administration as an oral solution dissolved in an aqueous vehicle. Unlike single-use antacids, Sodium Citrate's primary benefit is systemic, designed for absorption and circulation throughout the body. Sodium Citrate is an effective agent for increasing the alkalinity of urine, a property utilized for addressing issues related to high urinary acidity.

Composition and General Purpose of Sodium Citrate

The sole primary active ingredient in this medication is Sodium Citrate. The overall general purpose of this composition is to increase the alkalinity, or pH, of bodily fluids, providing a therapeutic effect against conditions involving excess acidity. Popular preparations containing this active ingredient include Bicitra and Oracit, which are formulated to enhance the stability and buffering capacity of the final oral solution.

The substance performs this role because the Citrate ion is fully absorbed and subsequently metabolized in the liver to produce bicarbonate (HCO3^-), which functions as the body's natural buffering agent for neutralizing excess acids. Citrate salts are established agents for providing the necessary bicarbonate load for acid correction. Furthermore, the citrate ion also has a powerful secondary function: it acts as a chelator that binds strongly to calcium ions (Ca^2+), a mechanism that is leveraged in non-oral medical contexts, such as preventing the coagulation of collected blood.

Regulatory References

  1. Urinary pH Modifier
  2. Systemic Alkalinizing Agent
  3. U.S. National Library of Medicine
  4. MedlinePlus
  5. NIH: LiverTox
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What side effects are possible with Citrate de Sodium?

Possible Side Effects and Safety Information

The safety profile for Sodium Citrate (Citrate de Sodium), when used as a systemic alkalinizing agent, is primarily characterized by effects on the gastrointestinal system and the potential for shifts in electrolyte and metabolic balance. The frequency of many adverse reactions, especially the more common ones, is not consistently defined in standard regulatory documents.

Documented Adverse Reactions

Adverse reactions that are frequently noted in regulatory labeling include Nausea, Vomiting, Diarrhea, and Abdominal Pain. These are often linked to the saline nature of the preparation. Effects are classified by the following system-organ classes:

  • Gastrointestinal Disorders
  • Metabolism and Nutrition Disorders
  • Cardiac Disorders
  • Nervous System Disorders

Serious Adverse Reactions and Safety Constraints

The most clinically significant risks documented in official sources relate to the drug's effect on body chemistry. Serious adverse reactions include Metabolic Alkalosis (excessive blood alkalinity), Hypernatremia (high sodium levels), and Hypocalcemia (low calcium levels), which may lead to Tetany or Paresthesia (tingling sensations). Cardiac Arrhythmia is also documented as a potential risk.

The regulatory labeling places strict constraints on use in specific populations. The medicine is Contraindicated in patients with Severe Renal Impairment or Severe Myocardial Damage due to the inability to safely manage the increased sodium and fluid load. Caution is also necessary for patients with conditions like Heart Failure, Hypertension, or those using certain potassium-increasing therapies, as documented in prescribing information.

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Overdose and Emergency Response

The regulatory description of Citrate de Sodium overdose focuses on the consequences of excessive sodium salt load and systemic acid-base imbalance. Overdosage may manifest with documented gastrointestinal symptoms, including diarrhea, nausea, and vomiting, alongside more serious neurological effects such as convulsions and hypernoia (abnormally rapid breathing).

The official labeling identifies severe potential outcomes related to the compound's effect on electrolytes, including severe Metabolic Alkalosis and specific risks associated with citrate toxicity, such as cardiac arrhythmia and hypotension. Individuals with pre-existing conditions like impaired renal function or heart failure are noted to have an increased risk of severe complications from overexposure.

Required Emergency Actions

Governmental guidance on when to seek help is explicit: immediate contact with emergency services (call 911 or local equivalent) is required for serious symptoms such as passing out or trouble breathing. For all other suspected overdosage scenarios, a Poison Control center should be contacted immediately. Management in these situations is defined as symptomatic and supportive treatment, focusing on the mandatory monitoring of serum electrolytes and correction of the acid-base status. There is no specific pharmacological antidote known.

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Therapeutic Uses of Citrate de Sodium

What Citrate de Sodium Treats: Main Uses and Benefits

Sodium Citrate is applied in clinical settings that involve systemic imbalance and urinary irritation. It is utilized in contexts involving heightened systemic burden and in situations involving certain distressing symptoms.

Therapeutic Contexts and Patient Benefit

Sodium Citrate is commonly used in three key clinical contexts: to support the long-term prevention of recurring kidney stones, to address metabolic acidosis associated with chronic kidney disorders, and to provide symptomatic relief for the discomfort and burning sensation experienced during urination (dysuria). This application plays a role in managing symptoms that create noticeable physiological strain and is relevant in clinical settings that involve acute or unstable symptom patterns. The overall goal is to contribute to a sense of stability when symptoms are more noticeable and reduce the frequency of painful episodes.

“It is relevant in clinical settings that involve acute or unstable symptom patterns.”

Summary of Indications

The medication may assist with managing symptoms linked to organ-specific functional stress, including those associated with recurrent kidney stones and metabolic acidosis. It is also applied in scenarios where additional management of discomfort related to urinary tract irritation is required.

Quick Fact: Symptom Management Contexts
Applied in conditions involving recurrent stone formation and in scenarios requiring supportive relief for urinary tract discomfort and systemic acid imbalance.

Regulatory References

  1. NIH DailyMed overview
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Eligibility and Restrictions for Use

Who Can and Cannot Use Citrate de Sodium?

This section outlines the official population eligibility and non-eligibility rules for Citrate de Sodium (Sodium Citrate/Citric Acid Oral Solution), as documented in regulatory guidelines.

Contraindications (Must Not Use)

The medicine is formally contraindicated and must not be used by patients with the following conditions:

  • Severe Renal Impairment (severe kidney disease), including anuria, oliguria, or azotemia.
  • Hyperkalemia (high blood potassium) or Untreated Addison's Disease.
  • Severe Myocardial Damage or acute conditions like Acute Dehydration and Heat Cramp.
  • Patients on Sodium-Restricted Diets.

Restricted and Conditional Use

Use of the medicine requires caution and physician supervision in patients with conditions sensitive to sodium intake, including cardiac failure, hypertension, generalized impaired renal function, edema, or toxemia of pregnancy (pre-eclampsia).

Age and Reproductive Status

Population Official Regulatory Status
Adults & Children Use is established, though children under two years require physician consultation.
Geriatric Patients No information is available on age-related effects in older adults.
Pregnancy/Lactation Not known if the drug harms the fetus or passes into breast milk. Use in toxemia of pregnancy is cautious.
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What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory information for Sodium Citrate primarily focuses on its effect as a urinary pH modifier and its interaction with specific metal-containing compounds. All documented interaction patterns are based on the substance’s recognized systemic action.

Documented Exposure-Altering Interactions

Interacting Product Category Official Outcome Description
Acidic Medicinal Products Urinary alkalinization increases renal clearance (decreasing serum levels) of drugs like Salicylates, Methotrexate, and Chlorpropamide.
Basic Medicinal Products Urinary alkalinization prolongs the half-life (increasing serum levels) of drugs like Quinidine, Sympathomimetics, and Flecainide.
Aluminum-based Antacids Enhances intestinal absorption, resulting in a specific risk of increased serum aluminum concentration.

Official Regulatory Constraints

Co-administration with aluminum-based antacids is restricted and officially noted as a combination that should not be administered concurrently. This constraint is of particular clinical significance in certain groups, as the risk of elevated serum aluminum and potential encephalopathy is heightened for patients with renal insufficiency or the elderly, according to prescribing information. Furthermore, co-administration with Ciprofloxacin is noted to carry an increased risk of crystalluria due to changes in urinary pH.

No specific interactions with named food, alcohol, or herbal products are explicitly documented in official regulatory labeling.

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Mechanism of Action

Interaction with the Coagulation Cascade

Sodium citrate acts within domains involving cofactor-mediated signaling by binding to free calcium ions ( Ca^2+). This interaction, known as chelation, is critical because calcium is an essential cofactor for multiple activation steps in the intrinsic and extrinsic coagulation cascades. Specifically, chelation modifies early molecular steps involving factors such as factor X and prothrombin (factor II). This key pathway effect results in the inhibition of coagulation factor activation, preventing the formation of fibrin.

Influence on Acid-Base Homeostasis

When administered systemically, the citrate component is metabolized primarily by the liver into bicarbonate ( HCO3^−). The production of bicarbonate, a critical component of the body's physiological buffer system, engages mechanisms that regulate acid-base equilibrium. This process modifies the balance between hydrogen ion concentration ( H^+) and the buffering capacity, contributing to an increase in both systemic and urinary pH.

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Dosage and Administration Information

How to Use Citrate de Sodium

Instructions for using Citrate de Sodium as a systemic alkalinizing agent focus on established administration protocols.

Administration Scope

Usage Entity Category Official Label-Based Instruction
Route of Administration The only approved method for systemic effect is the oral route.
Dosing Schedule (Adult) Standard dosing ranges from 10 to 30 mL per dose. The quantity is determined by the need to titrate the dose until a specific alkaline urinary pH is achieved, rather than a fixed maximum dose.
Timing and Frequency Doses are prescribed to be taken multiple times daily, specifically after meals and at bedtime, to ensure continuous coverage throughout the 24-hour period.
Preparation Requirements The concentrated solution must be adequately diluted with water before ingestion. The container must also be shaken well immediately prior to use.
Pediatric Rules Doses for children are lower, typically 5 to 15 mL, diluted, and follow the adult timing schedule; use in patients under two years requires professional consultation.
Duration Pattern The use is generally intended for the long-term maintenance of alkaline urine in chronic conditions, or for short, defined courses for acute relief.

Protocol Summary

Established instructions define a procedural sequence: the container is shaken, the prescribed volume is accurately measured, and the dose is then diluted with water before consumption, ensuring that each administration occurs after a meal. This structured approach, which includes dose titration, defines the standardized use protocol for maintaining continuous systemic and urinary alkalinity.

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Recent Clinical Evidence

Citrate de Sodium: Recent Clinical Evidence

Research evidence is primarily structured around two conditions: metabolic acidosis and recurrent kidney stone formation.

Evidence for Use in Metabolic Acidosis in CKD

Clinical research has explored sodium citrate in adults experiencing metabolic acidosis due to Chronic Kidney Disease (CKD). The main evidence was observed in Randomized Controlled Trials (RCTs) and systematic reviews, focusing on CKD stages 3b and 4. Studies examined changes in serum bicarbonate concentration, a key measure of the body's acid-base balance, and evaluated estimated Glomerular Filtration Rate (eGFR), a measure of kidney function. Studies reported measurements of changes in serum bicarbonate levels within the observed populations. What remains uncertain is long-term evidence on sustained outcomes such as kidney function or patient survival; such data is not well characterized in current published RCTs. The evidence to understand differences in long-term eGFR decline remains limited.

Evidence for Use in Recurrent Kidney Stone Formation

Sodium citrate was studied for its application in recurrent kidney stone formation, particularly in cases involving uric acid or low urinary citrate levels (hypocitraturia). The research base includes short-term RCTs examining the effects of alkali salts. Studies primarily explored changes in urinary pH and the level of urinary citrate excretion, a biological marker of stone inhibition. Research highlights measured changes in both urinary pH and urinary citrate excretion. Evidence quality varies due to the pooling of data for sodium citrate with potassium citrate. Systematic reviews note a persistent lack of high-quality, multi-year RCTs that track stone recurrence over the long term specifically for sodium citrate.

Research Gaps and Overall Uncertainty

The scientific literature highlights areas where certainty remains low. Follow-up durations were limited in many primary studies, meaning evidence regarding the durability of findings is often insufficient. Subgroup findings are uncertain, and comparative evidence is lacking for certain long-term endpoints. The overall evidence quality varies across studies depending on the indication being researched.

Key Studies & References Monograph: Sodium Citrate Oral Solution (Indications and General Use)

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Frequently Asked Questions (FAQ)

Common questions about Citrate de Sodium (FAQ)

Q: How long until Citrate de Sodium starts working?

According to the product information, Citrate de Sodium is generally noted to start working within 30 to 60 minutes after administration. Individual responses and the time to experience relief may vary.

Q: What should I do if I miss a dose?

The drug's official directions generally advise taking the missed dose as soon as it is remembered, unless it is close to the time for the next scheduled dose. The product information states to avoid taking two doses at the same time.

Q: Can Citrate de Sodium be used during pregnancy?

Current data, often cited in regulatory documents, may suggest Citrate de Sodium is generally considered acceptable for use during pregnancy and breastfeeding due to its mechanism of action and limited systemic absorption. However, pregnant or nursing individuals should always consult their healthcare provider before using any medication.

Q: What is the maximum recommended dose per day?

The maximum daily dosage is outlined in the drug's official label information. Exceeding the dose stated on the product label may increase the risk of serious side effects, such as potential organ injury, and should be avoided.

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How should Citrate de Sodium be stored and disposed of?

The required storage and disposal of Sodium Citrate is defined by its formulation, adhering strictly to regulatory labeling.

Official Storage Requirements

Requirement Oral Solution Anticoagulant Solution
Temperature Store at Controlled Room Temperature, 20° to 25°C. Store at Controlled Room Temperature, 20° to 25°C.
Protection Must be protected from light and freezing. Must be protected from freezing and excessive heat.
Container Preserve in tight, light-resistant containers. Supplied in sterile, single-use containers.

Handling and Disposal

All Sodium Citrate products must be stored out of the sight and reach of children.

The Anticoagulant Solution is for single use only; any unused or partially used portion must be discarded immediately. Other unused or expired medication should be disposed of using a drug take-back program or following general household guidelines as advised by the FDA.

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

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