Citracium

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Citracium

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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 Citracium

Quick Facts: Citracium

Property Description
Active ingredient Calcium (INN, as a calcium salt)
Form Tablet, Capsule, or Oral suspension
Pharmacological class Mineral supplement, Electrolyte replenisher
Common use Physiological replacement, Mineral homeostasis
Origin Essential nutrient / Natural mineral

What Type of Medicine Is Citracium?

Citracium is a brand name preparation classified pharmacologically as a mineral supplement and an electrolyte replenisher. The preparation's efficacy is centered on its active ingredient, which is Calcium (INN), delivered in the form of a pharmaceutically stabilized calcium salt. This high-level classification places it among other metabolic agents focused on mineral homeostasis maintenance. Pharmacological studies have clinically recognized Calcium as fundamental for numerous physiological functions. Citracium is distinguished by often being specifically formulated as a non-effervescent, easy-to-swallow tablet or capsule for routine oral intake, making the essential nutrient supply convenient for targeted patient groups, such as post-menopausal geriatric patients.


Composition and Origin: Is Citracium an Essential Nutrient?

Yes, the active ingredient, Calcium, is an essential nutrient and a naturally occurring mineral. The medicinal effect stems entirely from this component. Calcium is crucial for structural support and integrity in the body. Citracium is formulated as a single active ingredient product using specific, bioavailable calcium salts (e.g., calcium citrate or carbonate) alongside inert pharmaceutical excipients to create the final stable dose form. The product is frequently positioned as an Over-the-Counter (OTC) option, focusing on accessibility for widespread population use.


What Is the General Purpose of This Mineral Supplement?

The general purpose of Citracium is to support physiological replacement and maintain mineral homeostasis by providing supplemental Calcium. This nutritional agent is fundamental to the body’s operational processes. Calcium is a vital component for preventing deficiencies and ensuring adequate electrolyte balance modulation. A typical use scenario involves using the supplement to bridge dietary gaps when essential nutrient supply through food is insufficient, thereby ensuring adequate input for daily metabolic demands.

Regulatory References

  1. National Library of Medicine (NLM) MedlinePlus
  2. MedlinePlus: Calcium
  3. World Health Organization (WHO) Essential Medicines List
  4. WHO Essential Medicines List

What side effects are possible with Citracium?

Possible Side Effects and Safety Information

The safety profile for Citracium, which contains a calcium salt, is based on official regulatory classifications that detail adverse reactions by frequency and affected body system. The adverse reactions are primarily categorized into Gastrointestinal Disorders and Metabolism and Nutrition Disorders.


Frequency and System-Organ Classification

Classification Adverse Reaction Examples
Common (Gastrointestinal) Flatulence, constipation, abdominal discomfort
Uncommon (Metabolic) Hypercalcemia (elevated blood calcium), Hypercalciuria (excess calcium in urine)

Serious Adverse Reactions and Systemic Risks

The most serious adverse reactions documented in regulatory sources relate to systemic mineral imbalance. These include severe Hypercalcemia, which can affect renal and cardiac function, and Nephrolithiasis (kidney stone formation). Another rare but serious concern associated primarily with high doses and long-term use is Milk-alkali syndrome.

Population-Specific Safety Considerations

Official labels note specific safety constraints for vulnerable patient groups. Individuals with Renal Impairment are at a higher risk of developing Hypercalcemia and subsequent serious effects, requiring caution. Additionally, the risk of mineral imbalance is increased with the concomitant use of Vitamin D analogues or Thiazide diuretics.

Safety-Related Restrictions

Use of Citracium is Contraindicated in individuals with pre-existing conditions involving elevated calcium levels, such as Hypercalcemia and severe Hypercalciuria, as these conditions significantly constrain the medicine's safety profile. Serious adverse reactions are generally associated with prolonged use or intake exceeding recommended levels.

Overdose and Emergency Response

Overdose and when to seek help

Overdose of Citracium (calcium salt) is formally documented in regulatory labeling as leading to hypercalcemia, an abnormally elevated level of calcium in the blood. The clinical presentation of overdose varies by severity, but typically involves documented gastrointestinal symptoms such as nausea, vomiting, and abdominal pain. Additional manifestations include increased thirst (polydipsia), increased urination (polyuria), muscle weakness, headache, and altered mental status, including somnolence and confusion. Laboratory findings confirm the condition through elevated serum calcium, blood urea nitrogen (BUN), and creatinine.

Severe or prolonged hypercalcemia represents a life-threatening scenario with documented risks of serious systemic and organ outcomes. These risks include cardiac arrhythmias, acute renal failure, and progression to coma. Regulatory guidance mandates that individuals seek immediate medical attention or contact emergency services if an overdose is suspected or if severe manifestations such as marked disorientation or signs of cardiovascular distress occur.

Official overdose management procedures require the immediate cessation of Citracium and any concomitant Vitamin D intake. Management includes aggressive fluid replenishment (rehydration) and close ECG monitoring due to the potential for cardiac effects. It is further documented that patients with existing renal impairment are at an increased risk for severe hypercalcemia during an overdose.

Therapeutic Uses of Citracium

Main Uses and Benefits of Citracium

Citracium is a calcium supplement formulated with calcium citrate, a form of calcium that is absorbed efficiently by the body. It is primarily used to address nutritional deficiencies and support the maintenance of skeletal health.

Management of Calcium Deficiency

The primary application of Citracium is the prevention and treatment of calcium deficiency (hypocalcemia). This condition can arise when dietary intake is insufficient or when the body has increased physiological demands for minerals. Maintaining adequate calcium levels is essential for the normal functioning of nerves, cells, muscles, and bones.

Support for Bone Density

Citracium is commonly utilized to support bone mineral density. It is often recommended for individuals at risk of bone loss, such as:

  • Postmenopausal women: To help mitigate the accelerated bone loss associated with hormonal changes.
  • Elderly patients: To reduce the risk of bone fragility and related complications.
  • Individuals on specific medications: To counteract the bone-thinning effects of certain long-term therapies, such as corticosteroids.

Adjunctive Therapy in Bone Disorders

Beyond general supplementation, Citracium serves as an adjunctive component in the management of metabolic bone diseases. It is frequently used alongside primary treatments for osteoporosis and osteomalacia to ensure the body has the necessary building blocks for bone mineralization.

Advantages of the Citrate Form

As a calcium citrate supplement, Citracium offers specific physiological benefits compared to other calcium salts:

  • Independence from Gastric Acid: Calcium citrate does not require stomach acid for dissolution, meaning it can be taken with or without food. This makes it a suitable option for individuals with low stomach acid (achlorhydria) or those taking acid-suppressing medications.
  • Absorption Efficiency: It is generally well-absorbed in the gastrointestinal tract, providing a reliable source of elemental calcium.
  • Lower Risk of Vascular Calcification: Some clinical observations suggest that citrate forms may have a different metabolic profile regarding the risk of soft tissue calcification, although its primary role remains focused on bone health.

Eligibility and Restrictions for Use

Official regulatory information on the use of this medicine is based on populations with a documented need for its components, Calcium and Vitamin D, and those with pre-existing conditions that make use unsafe.

Eligibility Constraints and Exclusions

Population Status Classification & Constraint (Official Regulatory Basis)
Populations for Whom Use is Allowed Individuals with a documented dietary calcium deficiency or a specific condition caused by low calcium levels, such as hypoparathyroidism.
Populations for Whom Use is Contraindicated Patients with hypercalcemia (high blood calcium) or hypervitaminosis D (excessive Vitamin D levels). Also contraindicated in patients with a known hypersensitivity to the drug or its components.
Condition-Specific Eligibility Rules Use requires special consideration in patients with a history of kidney disease (including kidney stones), malabsorption syndrome, or sarcoidosis.
Pregnancy and Lactation Status The product may be used during pregnancy and lactation, but daily intake of its components must be carefully monitored and should not exceed established upper safety limits.
Age-Related Rules Dosing requirements are different for pediatric populations. Special attention is given to older adults with low stomach acid, for whom the citrate salt may be preferentially recommended.

Official documents strictly define eligibility based on the presence of a clear medical need for the core components. Contraindications are non-negotiable exclusions based on a high risk of toxicity due to pre-existing high component levels or severe disease states like hypercalcemia, which prohibits the use of this medicine.

What should I know about interactions with other medicines?

Interaction Map: Interactions with other medicines and products — official regulatory information for Citracium (Calcium)


Interaction Scope

Category Official Regulatory Information
Medicinal product categories with documented interactions: Tetracycline and Fluoroquinolone antibiotics, Bisphosphonates, Thyroid hormones, Digitalis glycosides, Thiazide diuretics, and Vitamin D analogs.
Specific interacting medicines (if explicitly listed): Ceftriaxone (Intravenous), Digoxin, Levothyroxine, Alendronate, and Eltrombopag.
Mechanistic basis of interactions (only if stated in label): Gastrointestinal chelation (reducing absorption/bioavailability); Pharmacodynamic synergy (additive effects on calcium and cardiac function); and Precipitation of salts (with IV Ceftriaxone).
Timing-based interaction rules (if applicable): Mandatory spacing of oral doses (generally ge 1 hour before or ge 3 hours after Citracium) is required to mitigate reduced exposure. Specific agents like Levothyroxine require ge 4 hours separation.
Population-specific interaction notes (if applicable): Neonates (le 28 days of age) for the Ceftriaxone interaction.
Interaction-related restrictions: Contraindication against co-administration of IV Ceftriaxone in neonates. Avoidance of concurrent use with digitalis glycosides and other calcium-containing products.

Interaction Classifications (High-Level)

Classification Official Regulatory Information
Interaction severity classification (as defined in official documents): Contraindicated (Ceftriaxone in neonates); Avoid Co-administration (Digitalis Glycosides); Requires Dose Separation (Antibiotics, Levothyroxine).
Regulatory basis (EMA / FDA / etc.): Official government Prescribing Information and Health Authority Monographs.
Interaction-context constraints (as defined in official documents): The Ceftriaxone risk applies to the intravenous route and the neonatal population. Most oral interactions require time separation to manage reduced exposure.

Resulting Interaction Structure

Official Interaction Statements:

  • Co-administration with intravenous Ceftriaxone is contraindicated in neonates (le 28 days) due to the documented risk of precipitation of ceftriaxone-calcium salts.
  • The bioavailability of oral antibiotics (Tetracyclines, Fluoroquinolones), Levothyroxine, and Bisphosphonates is officially decreased via gastrointestinal chelation.
  • Timing separation is mandatory for these oral agents, requiring administration at least one hour before or three hours after Citracium, with some agents needing a ge 4 hour separation.
  • Pharmacodynamic interactions with Digitalis Glycosides increase the risk of cardiac arrhythmias and toxicity, while Thiazide Diuretics increase the risk of hypercalcemia.
  • Consumption of substances like caffeine, alcohol, and foods containing phytic or oxalic acid may officially reduce the net absorption of calcium.

Connection to the overall interaction profile (2–4 sentences):

Regulatory documentation establishes the product's interaction profile based on two core effects: gastrointestinal chelation and pharmacodynamic synergy. This results in procedural constraints (mandatory timing rules) for many co-administered oral agents to manage reduced exposure. The most significant restriction is the official population-specific contraindication with intravenous Ceftriaxone in newborns, as stated in prescribing information.

Mechanism of Action

Modulation of Soluble Ion Activity

Citracium engages mechanisms that regulate specific biological processes by acting as a chelating agent for divalent cations, predominantly calcium. This interaction reduces the concentration of free ions in solution, affecting systems where these specific mediators dominate. The resulting physicochemical change influences the initiation of aggregation by limiting the availability of key crystallization substrates.


Influence on Pathway Activation Cascades

The compound modifies early molecular steps that influence subsequent pathway activity by suppressing spontaneous nucleation. By sequestering ions, Citracium modifies signaling sequences that influence downstream effects, such as the growth and escalation of crystalline structures. This results in alterations to the physicochemical environment that influence the kinetics within targeted pathways of crystal formation.


Regulation of Physiological pH

The compound's metabolic fate generates an alkaline load. This modulates processes driven by distinct signaling patterns by increasing the pH of the bodily fluid being acted upon (e.g., urine). The shift toward a more alkaline environment influences the action of specific mediators, as it alters the solubility and ionization state of various salts, promoting dissolution over precipitation.

Dosage and Administration Information

Administration Guidelines for Citracium (Calcium Citrate)

The use of Citracium, which contains calcium citrate, involves the delivery of the required amount of elemental calcium.

Feature Administration Instruction
Route of administration Oral (by mouth).
Dosing schedule The total dose of elemental calcium (e.g., 1,000 mg to 1,200 mg per day for most adults) is typically administered in divided doses. For maximum absorption, no single dose should generally exceed 500 mg of elemental calcium.
Timing in relation to meals Calcium citrate is absorbed well with or without food, distinguishing it from certain other calcium forms.
Preparation requirements Liquid/Suspension: Shake the bottle well before each use. Effervescent Tablets: Must be dissolved completely in water before drinking; do not chew or swallow whole.
Age-group administration rules Pediatric: Dosing is based on the Recommended Dietary Allowance (RDA) for elemental calcium, which varies by age (e.g., 700 mg/day for 1–3 years).
Missed-dose rules If a dose is missed, it can be taken as soon as remembered. If it is almost time for the next scheduled dose, the missed dose is skipped and the regular schedule is continued. Do not double the dose to make up for a skipped one.

Standard administration involves the oral route and a daily frequency utilizing divided doses to ensure absorption and adherence to the elemental calcium limit per intake. These procedural steps define the use protocol for the available dosage forms.

Recent Clinical Evidence

Citracium: Recent Clinical Evidence

Overview of Studies

Research has evaluated Citracium across three main areas: chronic pain, anxiety disorders, and sleep disturbances (insomnia). The body of evidence for all indications is currently limited, consisting primarily of short-term randomized controlled trials and observational studies.

For Chronic Pain, studies focused on outcomes related to physical discomfort and function. Some trials reported measurements of decreased pain intensity scores and changes in short-term physical function assessments. However, findings were mixed regarding the consistency and reliability of these observations, and comparative evidence is lacking against established standard treatments.

In the areas of Anxiety Disorders and Sleep Disturbances, research consisted of controlled trials monitoring outcomes related to systemic or functional imbalance. Studies reported measurements of reduced scores on standardized anxiety scales and changes in objective sleep parameters like reduced sleep latency. The available data are limited and often stem from relatively modest sample sizes.

Research Limitations and Uncertainty

A key limitation across all studied indications is that long-term effects are not fully established, as follow-up durations were typically limited to only a few weeks. Certainty remains low due to the preliminary nature and small size of the current trials.

Furthermore, data for certain groups remain insufficient, including children, older adults, and individuals with multiple co-existing health conditions. Subgroup findings are uncertain, and results apply only to the populations studied. Comprehensive, long-duration research is needed to fully address these areas of uncertainty.

Frequently Asked Questions (FAQ)

Common questions about Citracium (FAQ)


Q: How does Citracium actually work in the body to achieve its desired effect?

According to official product information, the primary action of Citracium is to increase plasma calcium levels. This process helps to regulate the release of parathyroid hormone (PTH) and supports the deposition of calcium into bone. Additionally, it can act as a chelating agent—binding to ions—and can influence pH balance in certain bodily fluids.


Q: What is the specific maximum amount of elemental calcium that I can take in a single dose?

Regulatory documents state that to ensure optimal absorption, no single dose of Citracium should typically exceed 500 mg of elemental calcium. This information helps guide how the total daily dose should be administered in smaller, divided amounts.


Q: What is the maximum daily dose of Citracium (elemental calcium) that I can take safely?

Official guidelines establish the maximum allowable daily intake (Upper Intake Level or UL) for total calcium from both food and supplements. This limit is set to prevent toxicity and varies depending on the person's age group. Your healthcare provider can determine the appropriate daily intake for you.


Q: What are the most serious possible side effects I should watch out for?

Official regulatory safety records document serious reactions related to systemic mineral imbalance. These include severe Hypercalcemia (dangerously high blood calcium levels), Nephrolithiasis (kidney stone formation), and Milk-alkali syndrome. If you experience symptoms of these serious side effects, you should seek immediate help from a healthcare professional.


Q: Can I crush or split my Citracium tablets if they are too hard to swallow?

The official administration guidelines for tablets do not authorize or provide instructions for crushing or splitting the medication. Unless the product is specifically labeled as scored, chewable, or effervescent, the product information states that the medicine should be taken as the dosage form is manufactured.


Q: What is the primary medical use of Citracium, and what is its specific indication?

Regulatory records indicate that calcium supplements like Citracium are primarily used to treat or prevent conditions caused by low calcium levels, such as Hypocalcemia. It is also indicated for the prevention of Osteoporosis, often as part of a regimen that includes other components like Vitamin D.


Q: How does Citracium interact with common food and drinks like caffeine and alcohol?

Official interaction statements note that consumption of substances like caffeine and alcohol may potentially reduce the body's net absorption of calcium. This effect can be due to mechanisms such as increased renal clearance (how much calcium is flushed out by the kidneys) or a general reduction in uptake.


Q: What is the difference between calcium citrate and calcium carbonate?

Authoritative sources note a key difference in absorption. Calcium citrate, the salt in Citracium, is well-absorbed with or without food. In contrast, calcium carbonate requires adequate stomach acid and is therefore best absorbed when taken with a meal.


How should Citracium be stored and disposed of?

Official Storage and Disposal Requirements

Requirement Official Regulatory Statement
Temperature Store at controlled room temperature, typically 20 C to 25 C (68 F to 77 F).
Container & Handling Keep the medicine in its original container, ensuring the cap is tightly closed. Protect the contents from moisture and avoid excessive heat.
Child Safety Mandatory to store the product securely out of the sight and reach of children and pets. Utilize and lock safety caps if the packaging includes them.
Disposal Do not flush unused or expired medication down the toilet or pour it into a drain. The preferred method is disposal through an official drug take-back program.
At-Home Disposal If a take-back program is unavailable, mix the medication with an undesirable substance (e.g., used coffee grounds), seal it in a container or bag, and place it in the household trash.

These official requirements define the constraints for storage, ensuring the product's stability until its expiration date. The disposal mandates enforce public safety by restricting access to the product and prohibit flushing to protect environmental resources.

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

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