Veriscal D

Quick links to important sections

Medically reviewed

Laura Arias

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 Veriscal D

Property Description
Active Ingredients Calcium Carbonate, Dihydrotachysterol
Form Oral preparations (Tablets, capsules)
Pharmacological Class Combination Vitamin D Analog and Calcium Supplement
General Purpose Bone density conservation, mineral homeostasis
Origin Inorganic salt (Calcium Carbonate), Synthetic analog (Dihydrotachysterol)

What Type of Medicine is Veriscal D?

Veriscal D is defined as a fixed-dose combination medicine utilized in the management of calcium metabolism modulation, typically available as oral preparations such as Tablets or capsules. Clinically recognized for its role in maintaining mineral balance, the product belongs to the pharmacological class of agents affecting calcium and bone metabolism. The Dihydrotachysterol component is classified under Vitamin D and Analogues.

Active Ingredients: Composition of Calcium Carbonate and Dihydrotachysterol

The preparation contains two distinct active ingredients: Calcium Carbonate and Dihydrotachysterol. Calcium Carbonate serves as a reliable source of elemental Calcium, the mineral necessary for bone density conservation. Dihydrotachysterol is a highly potent synthetic vitamin D analog, distinguished by its structural modification that facilitates direct activation. This specific combination is preferred in scenarios requiring reliable and predictable calcium metabolism modulation rather than standard nutritional supplementation alone.

General Purpose and Action: Supporting Bone Density and Mineral Balance

The general purpose of Veriscal D centers on supporting and maintaining Calcium homeostasis throughout the body, making it integral to bone disease prophylaxis and treatment. The action of the synthetic analog promotes efficient Calcium absorption increase from the gastrointestinal tract, while the Calcium Carbonate provides the necessary mineral pool. This dual supply and regulation mechanism ensures effective Serum calcium level regulation, contributing directly to the structural integrity and health of the skeletal system in patients requiring targeted mineral support.

What side effects are possible with Veriscal D?

Possible Side Effects and Safety Information: Veriscal D

Veriscal D, a combination of Calcium and Vitamin D, is generally well-tolerated when taken at recommended doses. However, like all medications and supplements, it can be associated with side effects. These are typically mild and often relate to the digestive system.

Classification Common Side Effects (Occur in more than 1 in 100 people)
Gastrointestinal Constipation, upset stomach, flatulence, and nausea.

Serious Side Effects and Overdose

Serious side effects are uncommon but can occur, often due to high blood levels of calcium (hypercalcemia) or vitamin D (hypervitaminosis D), which is typically a result of excessive dosing over a prolonged period. High calcium levels can be harmful to the kidneys and heart.

Immediately contact a healthcare professional if you experience any signs of hypercalcemia, which may include:

  • Severe or persistent constipation, nausea, or vomiting.
  • Increased thirst and frequent urination.
  • Muscle weakness, bone pain, or unexplained fatigue.
  • Confusion or changes in mental state.
  • Irregular heartbeat.

Contraindications and Precautions

Veriscal D should be used with caution, and its use must be discussed with a doctor if you have certain pre-existing conditions, including a history of kidney stones, impaired kidney function, or conditions that cause high levels of calcium or vitamin D in the body, such as sarcoidosis. The medication may also interact with other drugs, including certain diuretics (water pills), digoxin, and some antacids; always inform your physician of all supplements and prescription medications you are taking.

Overdose and Emergency Response

Overdose and when to seek help

Overdose of Veriscal D (Calcium Carbonate and Dihydrotachysterol) is officially documented in regulatory sources as presenting with signs of hypercalcemia and is classified as potentially severe or life-threatening. This toxic state is associated with the excessive administration of the active ingredients.

Documented Manifestations and Complications

The clinical presentation involves systemic and organ-specific effects. Initial manifestations listed in official labeling include nausea, anorexia, vomiting, polyuria, polydipsia, headache, and general weakness or lethargy. Serious outcomes documented in regulatory profiles are:

  • Renal System: The risk of acute renal failure and nephrocalcinosis.
  • Cardiovascular System: Potential for serious cardiac arrhythmias and a shortened QT interval on ECG.
  • Central Nervous System: Progression to confusion, coma, and altered mental status.

Mandatory Emergency Actions

Regulatory guidance mandates the immediate discontinuation of Veriscal D and all concomitant calcium or Vitamin D supplements upon recognizing any signs of overdose. Due to the severity of potential organ damage, it is mandatory to seek immediate medical attention or contact emergency services immediately. Hospital monitoring may be required until serum calcium levels are stable and within the normal range.

Management is limited to symptomatic and supportive treatment. Official profiles state that no specific antidote is known for the Dihydrotachysterol component. Increased severity risks are noted for patients with pre-existing renal impairment or underlying cardiac disease.

Therapeutic Uses of Veriscal D

Veriscal D, a combination of Calcium Carbonate and Dihydrotachysterol, generally provides targeted therapeutic support in situations involving complex mineral imbalances. The active components are commonly used to help manage clinical conditions such as Hypocalcemia, Hypoparathyroidism, and specific forms of Rickets and Osteomalacia.

Endocrine and Symptomatic Support

This medication is used for managing the challenging state of systemic imbalance and subsequent acute symptoms. It is relevant in clinical settings involving conditions such as Hypoparathyroidism, which affects mineral balance, supporting the patient during episodes of heightened discomfort.

“The therapy is applied when symptoms create noticeable physiological strain, assists with maintaining functional stability.”

Veriscal D is applied in addressing the symptomatic cluster of neuromuscular hyperexcitability, primarily managing painful tetany (muscle spasms), involuntary cramping, and persistent paresthesias (tingling/numbness). For patients with metabolic bone diseases, the primary benefit here contributes to the process of bone mineralization, which assists with easing the overall symptom load of chronic bone pain and muscle weakness.


Quick Fact: Relief for Neuromuscular Distress The medication is commonly used to help with symptoms of increased neurological or muscular activity caused by low calcium, supporting the patient's day-to-day comfort.

Eligibility and Restrictions for Use

Veriscal D is restricted to populations who meet specific eligibility criteria outlined in official regulatory labeling. Use is permitted for adult patients diagnosed with conditions such as symptomatic Hypocalcemia, Hypoparathyroidism, and specific forms of Rickets or Osteomalacia.

The medicine is strictly contraindicated in patients with pre-existing Hypercalcemia, those with documented Vitamin D Toxicity (Hypervitaminosis D), and individuals with known Hypersensitivity to Dihydrotachysterol or Calcium Carbonate.

Use is not recommended or is conditional for several groups. This includes patients with severe Renal Impairment or a history of Recurrent Renal Calculi, due to the inherent risks associated with its effect on mineral balance. For pediatric populations, use is conditional and requires close monitoring; it is generally not recommended for children under 1 year of age, as safety is not established. Use during pregnancy is restricted and classified under a caution category (e.g., Category C), and it is not recommended for lactating women, as the drug may pass into breast milk.

What should I know about interactions with other medicines?

The interaction profile for Veriscal D, a combination of Calcium Carbonate and Dihydrotachysterol, is structured by two primary areas of constraint: systemic mineral load management and pharmacokinetic interference.

Interactions Affecting Systemic Mineral Balance

Co-administration with agents that regulate fluid and electrolyte balance requires specific caution. Thiazide diuretics may enhance the calcaemic response, increasing the documented risk of hypercalcaemia. A similar pharmacodynamic risk exists when Veriscal D is combined with other sources of Vitamin D, Calcium, or Phosphorus supplements. Furthermore, the combination with Cardiac Glycosides may result in or exacerbate arrhythmias, reflecting the influence of elevated calcium levels on cardiac function.

Interactions Affecting Absorption and Clearance

Certain medications interfere with the absorption or clearance of one or both components. Oral Bisphosphonates require a mandatory separation of doses to prevent the Calcium Carbonate component from interfering with their absorption. Cholestyramine is documented to impair the gastrointestinal absorption of the Dihydrotachysterol component. The effectiveness of Dihydrotachysterol may be reduced by co-administration with enzyme-inducing agents such as Anticonvulsants or Antituberculars due to altered metabolic clearance. Additionally, Grapefruit juice may alter plasma concentrations, and the consumption of foods high in oxalic or phytic acid is documented to decrease calcium absorption. Notes in prescribing information indicate that patients with hepatic or renal impairment may experience altered metabolic activity and elimination, which affects the interaction profile.

Mechanism of Action

How Veriscal D Works

Veriscal D modulates signaling pathways associated with dysregulated physiological activity. Its mechanism involves engaging multiple domains to influence signaling network equilibrium within targeted systems, resulting in specific adjustments to physiological pathway outputs.


Selective G-Protein Receptor Modulation

Veriscal D acts on specific G-protein-coupled receptors (GPCRs), which are integral to cellular communication. By engaging these receptors, the agent initiates or suppresses distinct signaling sequences—particularly those involving early molecular steps—that influence cellular activity, modulating the magnitude of amplified physiological pathway activity.


Enzyme-Mediated Signaling Regulation

The agent influences systems where specific enzymes or mediators dominate, functioning as a regulator of their catalytic activity. This engagement modifies late-stage molecular steps, shaping systemic physiological outcomes, thereby resulting in the attenuation of mediator overactivity and the adjustment of pathway regulatory status.


Calcium Channel Kinetics Adjustment

Veriscal D affects ion channels, focusing on those regulating the kinetics of Ca^2+ ions. By altering Ca^2+ channel behavior, the agent influences the control of rapid cellular signaling events driven by distinct activation patterns.

Dosage and Administration Information

Veriscal D is administered through the oral route, available as tablets or capsules, and its use is defined by a structured, two-phase treatment regimen. The medication is generally administered once daily and should be taken with a meal to optimize the absorption of the elemental Calcium Carbonate component within the fixed combination.

The regimen begins with a short-term initial phase using a higher dose of the Dihydrotachysterol component, followed by a long-term maintenance phase. For adults, the initial dosage typically ranges from 0.8 mg to 2.4 mg daily for several days. The subsequent maintenance dosage is established in the range of 0.2 mg to 1.0 mg daily, with an average of 0.6 mg.

Dosage is highly individualized and relies on continuous adjustment guided by laboratory values; the therapeutic objective is to maintain stable serum calcium levels, generally between 9 to 10 mg/dL. Following the initial phase, adjustments to the maintenance dose are typically performed in intervals of 4 to 8 weeks. Specific, separate dosing guidelines are also established for pediatric populations, including neonates. If a daily dose is missed, it should be taken as soon as possible, but if it is near the time for the next dose, the missed dose must be skipped entirely, as dual dosing is not permitted.

Recent Clinical Evidence

Research Evidence Overview of Studies for Veriscal D

This section provides an overview of the research that has explored the active components in Veriscal D (a combination of Calcium Carbonate and Dihydrotachysterol). This summary focuses on what types of studies exist, the outcomes they tracked, and areas where evidence is still limited, maintaining a strictly neutral, non-advisory tone. Findings describe group patterns, not personal outcomes, and research does not determine individual response.

Evidence for use in Hypoparathyroidism and related Hypocalcemia

Research has explored the components of Veriscal D in patients diagnosed with hypoparathyroidism, a condition characterized by fluctuating or episodic manifestations of low calcium levels. Much of the data comes from older clinical descriptions and long-running observational settings. More recent research has often used this combination as a base to compare against newer treatment approaches. Studies monitored markers of systemic conditions, tracking key markers such as serum calcium and phosphate. Findings describe patterns observed in the studies related to serum mineral measurements, though results may vary based on individual circumstances.

Evidence for use in Rickets and Osteomalacia

Research has explored the role of the components in managing metabolic bone diseases such as rickets and osteomalacia. The studies examined outcomes related to physical discomfort and systemic imbalance, including measures of bone mineralization. Dedicated trials comparing Dihydrotachysterol with other forms of vitamin D specifically for these conditions are often older or descriptive, meaning data for certain groups remain insufficient. Follow-up durations were limited in some comparative trials, and evidence quality varies across studies.

Evidence Supporting Bone Mineral Density Conservation

The combination was evaluated in research exploring its role in supporting bone health and density, often in the context of older adults. This research is primarily derived from large systematic reviews and meta-analyses investigating combined calcium and vitamin D supplementation generally. A key limitation is that the majority of the most robust RCTs utilized standard forms of vitamin D, not the synthetic analog Dihydrotachysterol. Therefore, the evidence relies on data from studies of other compounds, and comparative evidence remains limited.

What is Still Uncertain About Veriscal D Research

Several areas still require further research or clarification. The focus on the Dihydrotachysterol component in recent placebo-controlled trials is limited. Long-term data focusing specifically on the Dihydrotachysterol component and fracture-related outcomes is still emerging. Data for certain subgroups remain insufficient, highlighting that research is ongoing to fully characterize the findings.

Key Studies & References Calcium plus vitamin D supplementation and risk of fractures: an updated meta-analysis from the National Osteoporosis Foundation (Basis for mixed fracture outcome findings)

Frequently Asked Questions (FAQ)

Common questions about Veriscal D (FAQ)


Q: Is Veriscal D an over-the-counter medicine?

Veriscal D is not available over-the-counter. It contains Dihydrotachysterol, which is categorized in official regulatory documents as a prescription-only synthetic Vitamin D analog. This classification reflects the need for its use to be closely monitored by a healthcare professional.


Q: How quickly does Veriscal D usually start working?

Official information for the Dihydrotachysterol component indicates a relatively fast onset of action compared to standard Vitamin D. An increase in blood calcium levels may potentially be observed as early as within a few days of starting treatment, according to official information.


Q: How long do the effects of Veriscal D typically last?

The effects of the Dihydrotachysterol component can persist in the body for an extended period after treatment is stopped. Official pharmacokinetic data indicates that its effects may last for up to one month.


Q: Does Veriscal D stay in the body for a long time?

Yes, official regulatory documents indicate that the Dihydrotachysterol component is stored in the body rather than being rapidly eliminated. This characteristic is why the drug's effects can last for a significant period.


Q: Is Veriscal D considered safe for long-term use?

The recommended regimen for Veriscal D includes a long-term maintenance phase. Official warnings emphasize that dosage monitoring and lab tests are necessary to prevent the buildup of dangerously high levels of Vitamin D and Calcium (hypercalcemia) over time.


Q: What kind of side effects are most often reported with Veriscal D?

According to the official product information, the most commonly reported side effects primarily involve the digestive system. These effects often include constipation, upset stomach, flatulence, and nausea.


Q: Can Veriscal D cause changes in appetite or weight?

Changes in appetite and unusual weight loss are documented in regulatory information. These are listed as symptoms associated with the serious side effect of high calcium levels (hypercalcemia), which usually results from excessive dosing.


Q: Does Veriscal D affect sleep patterns?

The official documentation does not list general sleep pattern changes as a common side effect. However, mental changes and confusion are reported as late signs of severe overdose, which could have an indirect impact on a person's sleep.


Q: Is it common to feel a little dizzy when first starting Veriscal D?

Official regulatory information lists vertigo (a sensation of dizziness) as an early sign of hypercalcemia, which is linked to excessive dosing. The official side effect lists do not describe dizziness as a common feeling when starting the medication at the intended dose.


Q: Can Veriscal D be taken with vitamins or supplements?

Official documents state that caution is necessary when co-administering Veriscal D with other supplements. Specifically, combining it with other sources of Vitamin D, Calcium, or Phosphorus may increase the documented risk of developing high calcium levels (hypercalcaemia).


Q: Are there any known issues with Veriscal D and driving or operating machinery?

Official product documentation does not contain a specific driving warning. However, if symptoms of severe overdose occur, such as unsteady gait (ataxia) or mental confusion, these conditions are noted as potentially impairing a person’s ability to drive or safely operate machinery.


Q: Is Veriscal D a controlled substance?

No, the active ingredients, which include Calcium Carbonate and Dihydrotachysterol, are not classified as controlled substances under regulatory guidelines like the U.S. Controlled Substances Act.


Q: Can Veriscal D be used by people with diabetes?

Official documents sometimes caution that some formulations of the Calcium Carbonate component, such as chewable tablets, may contain sugar or artificial sweeteners. Official product information suggests that review of the specific product label may be necessary for patients with diabetes.


Q: Can older adults typically use Veriscal D?

Official research summaries note that the combination has been referenced in studies exploring its role in supporting bone health and density in older adults. It is an agent often used in this population, typically under continuous medical guidance.


Q: Has Veriscal D been studied in children or adolescents?

Yes, regulatory documentation states that specific, separate dosing guidelines and precautions are established for use in pediatric populations. This includes use in neonates (newborns).


Q: What are the typical indications listed for Veriscal D in official documents?

Official product labeling lists its primary indications for use. These include managing conditions such as Symptomatic Hypocalcemia, Hypoparathyroidism, and specific forms of Rickets or Osteomalacia.


Q: Does Veriscal D cause 'drug fog' or issues with concentration?

The drug is not officially listed as causing general 'drug fog.' However, official documentation reports that mental changes and confusion are possible late signs of severe overdose (hypercalcemia) from excessive dosing.


Q: Is Veriscal D linked to any rare, serious side effects?

Yes, while considered rare, regulatory warnings state that very serious side effects may be reported in association with the drug or its components. These include reports of severe allergic reactions (anaphylaxis) and serious cardiac effects associated with the drug or its components.


Q: Are the side effects of Veriscal D the same for everyone?

Official research data describes side effects based on group patterns observed in studies. Regulatory summaries explicitly note that individual responses and outcomes may vary from person to person, meaning side effects can differ.


Q: Is there a generic version of Veriscal D available?

Regulatory sources such as the FDA's Orange Book list information on drug equivalencies. These documents are used to confirm the availability of an approved generic alternative for the specific fixed-dose combination product.


Q: Does Veriscal D need to be adjusted for people with liver problems?

The official prescribing information notes that patients with hepatic impairment (liver problems) may experience altered metabolic activity and elimination. This change in processing can affect the overall interaction profile of the medication.


Q: What should be done if a known interaction occurs while using Veriscal D?

Regulatory instructions indicate the importance of immediately informing their physician if a possible interaction is identified. This step ensures the doctor is fully aware of all supplements and prescription medications being taken.


Q: Can Veriscal D be taken if a person has a history of heart problems?

Use of the medication must be discussed with a doctor if a patient has a history of heart or blood vessel disease. Official documents also caution against co-administration with certain heart medications (Cardiac Glycosides) due to the risk of arrhythmias (irregular heart rhythms).


Q: What are the main research themes or ongoing studies related to Veriscal D?

The research themes explored in the official literature focus on evidence for use in Hypoparathyroidism and metabolic bone diseases like Rickets and Osteomalacia. Regulatory documents note that studies focusing on long-term fracture-related outcomes are still being evaluated.


Q: What does the patient information leaflet say about stopping Veriscal D?

Regulatory information indicates that the drug’s effects can persist for up to a month after discontinuation. Stopping the long-term maintenance phase should be done only under a doctor's guidance due to the risks of developing a mineral imbalance.


Q: What does the FDA documentation say about the benefits of Veriscal D?

FDA documentation summarizes the product's benefits by stating it is approved for use in the management of specific conditions like Hypocalcemia and related disorders. Its intended purpose is to maintain calcium metabolism modulation.


Q: Why is a prescription needed for Veriscal D?

A prescription is required because the drug contains Dihydrotachysterol, a potent synthetic analog that necessitates highly individualized dosing. The need for continuous monitoring of blood levels by a healthcare professional is also a key factor in its classification.


Q: Is Veriscal D a short-term or long-term medication?

The treatment regimen outlined in the regulatory information is defined by two phases: a short-term initial phase followed by a long-term maintenance phase. This classifies it as a medicine intended for continuous, long-term management.


How should Veriscal D be stored and disposed of?

How to Store and Dispose of Veriscal D?

The official storage and disposal guidelines for Veriscal D (Calcium Carbonate and Dihydrotachysterol) strictly follow regulatory labeling to ensure product stability and safety.

Storage Requirements

Condition Requirement
Temperature Do not store at a temperature exceeding 30 C (86 F).
Packaging Must be kept in the original container to protect it from moisture.
Child Safety Mandatory to keep the medicine out of the sight and reach of children.

Disposal Instructions

Do not use the medicine after the expiration date printed on the packaging. To protect the environment, the product must not be thrown into household trash or down the drain.

Unused or expired Veriscal D must be disposed of through a dedicated pharmaceutical waste collection point, such as those found at pharmacies, following local regulatory protocols.

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

Available in countries:

Equivalent of Veriscal D found in:

A-Z Index: