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Carbosan D

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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.

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Overview of Carbosan D

Quick Facts

Property Description
Active ingredients Calcium Carbonate, Dihydrotachysterol
Form Oral Solid Preparation (Tablet/Capsule)
Pharmacological class Antihypocalcemic Agent
General purpose Mineral Homeostasis Regulation
Origin Inorganic Salt and Synthetic Analogue

Carbosan D: Classification and Core Composition

Carbosan D is defined as a combination pharmaceutical preparation, classifying it as a mineral-vitamin complex and specifically categorized under the antihypocalcemic agents pharmacological group. This product is formulated with two active components: the inorganic salt Calcium Carbonate, which supplies elemental calcium, and Dihydrotachysterol, which is a synthetic vitamin D analogue. This specific combination is designed to simplify therapeutic delivery for patients requiring systemic regulation of calcium and phosphate levels.

Identifying the Drug Form and Unique Action

The medicine is manufactured as an oral solid preparation, typically a tablet or capsule, intended for oral administration through the gastrointestinal tract. The general purpose of Carbosan D is to counteract systemic mineral deficiencies, particularly hypocalcemia. The inclusion of Dihydrotachysterol provides a unique feature: it requires less metabolic processing in the kidney to become active compared to natural vitamin D forms. This characteristic makes it a strategically differentiated compound for maintaining calcium balance in patient groups where renal function may be a consideration.

Key Differences: Synthetic Analogue and General Benefit

The primary therapeutic benefit of the combination is the comprehensive maintenance of mineral homeostasis. By directly supplying calcium while simultaneously promoting efficient intestinal calcium absorption, Carbosan D supports the stabilization of calcium levels in the bloodstream. This formulation is commonly employed in medical management scenarios where sustained control over calcium and phosphate levels is necessary, ensuring the continuous support of critical functions like bone density maintenance and neuromuscular signaling.

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What side effects are possible with Carbosan D?

Possible side effects and safety information

The official safety profile for Carbosan D, a combination of Calcium Carbonate and Dihydrotachysterol, is primarily defined by the risk of hypercalcemia (abnormally high blood calcium levels), which is the common adverse reaction documented in regulatory labeling. This risk leads to effects across multiple organ systems.


Adverse Reaction Scope

Category Official Regulatory Documentation
Key adverse reaction categories Reactions are predominantly tied to metabolic imbalances (Hypercalcemia) and resultant effects on the renal and gastrointestinal systems.
System-organ classes involved Metabolism and Nutrition Disorders, Gastrointestinal Disorders (e.g., Constipation, Nausea), and Renal and Urinary Disorders (e.g., Polyuria).
Serious adverse reactions Nephrocalcinosis (calcification of the kidneys), severe Hypercalcemia, and Soft Tissue Calcinosis are documented as rare but serious long-term risks.

Safety Considerations and Restrictions

The risk of serious adverse reactions, such as nephrocalcinosis, is documented as being associated with long-term or uncontrolled administration. Regulatory documents specify restrictions for certain groups:

  • The medicine is contraindicated in patients with pre-existing hypercalcemia.
  • Its use requires careful monitoring in patients with renal impairment.
  • It is generally contraindicated during breastfeeding and use in pregnancy is restricted due to potential fetal harm.

This framework highlights the need for frequent blood calcium monitoring, which is explicitly required at the initiation of treatment and periodically during maintenance to mitigate risk.

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Overdose and Emergency Response

Overdose is primarily associated with hypervitaminosis D and the resulting hypercalcaemia (abnormally high blood calcium levels). This condition is typically caused by excessive intake of Vitamin D and/or calcium supplements.

Documented Overdose Presentations

Symptoms of hypercalcaemia, as described in official labeling, can include:

  • Gastrointestinal and Systemic: Anorexia, nausea, vomiting, increased thirst (polydipsia), constipation, and general muscle weakness or fatigue.
  • Renal and Urological: Increased frequency of urination (polyuria), which may lead to dehydration, and potentially nephrocalcinosis or renal stones with chronic overdose.
  • Serious Outcomes: In severe, documented cases, overdose can lead to life-threatening complications, including mental disturbances (confusion, apathy), cardiac arrhythmias, and coma or death.

Required Emergency Actions

When to seek immediate medical help: Urgent medical attention must be sought upon the appearance of any symptoms of hypercalcaemia, especially confusion, persistent vomiting, or extreme thirst.

Management: Official regulatory documents state that treatment requires the discontinuation of all Vitamin D and calcium intake and prompt rehydration with intravenous fluids. Severe cases may require hospitalization for continuous monitoring of vital signs, serum calcium and renal function, and administration of specialized medications like bisphosphonates to lower calcium levels. Prolonged overdosage can lead to irreversible renal damage and soft tissue calcification, underscoring the necessity for swift medical intervention.

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Therapeutic Uses of Carbosan D

What Carbosan D Treats: Main Uses and Benefits

Stabilizing Chronic Hypocalcemia and Endocrine Disorders

Carbosan D may be part of symptomatic management in conditions presenting with systemic imbalance, specifically those causing persistently low calcium, such as hypoparathyroidism and pseudohypoparathyroidism. This continuous therapeutic support may assist with maintaining functional stability and contributes to easing the overall symptom load related to mineral regulation for patients managing these chronic endocrine disorders.


Alleviating Acute Neuromuscular Symptoms

This medication plays a role in managing symptoms of increased neurological or muscular activity associated with systemic imbalance, including involuntary muscle spasms, twitching, and tetany, as well as sensations of paresthesia. It is relevant for easing acute manifestations and is applied in addressing metabolic bone disorders like rickets and osteomalacia.

“Providing supportive relief that supports patients during episodes of heightened discomfort.”

Furthermore, it is considered relevant in clinical settings that involve acute or unstable symptom patterns related to bone complications, such as renal osteodystrophy, often used when supportive symptom management is appropriate.


Quick Fact: Relief for Mineral Deficiency Symptoms

Property Description
Primary Use Domain Hypocalcemia, Hypoparathyroidism, Metabolic Bone Disease
Key Symptoms Managed Muscle spasms, tetany, twitching, paresthesia, bone pain
Typical Contexts Long-term management of chronic conditions, postoperative care
Patient Benefit Supports maintenance of functional stability and reduces symptom load
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Eligibility and Restrictions for Use

Who Can and Cannot Use Carbosan D? — Official Eligibility Information

Eligibility for Carbosan D (Carbenoxolone Sodium) is strictly determined by official regulatory documents, primarily focused on pre-existing conditions, age, and physiological state. The medicine is intended for use in adults and children over 3 years of age.


Contraindications: Populations Who Must Not Use Carbosan D

Regulatory agencies formally contraindicate the use of Carbosan D in individuals presenting with the following conditions or states:

  • Severe organ impairment: This includes patients with severe cardiac impairment, severe renal impairment, and severe hepatic impairment (heart, kidney, and liver).
  • Specific Comorbidities: Patients with hypertension (high blood pressure) or low serum albumin must not use this medicine.
  • Age and Physiological State: The medicine is contraindicated in children under 3 years, elderly patients, and during pregnancy and lactation (breastfeeding).
  • Hypersensitivity: Individuals with a known allergy or hypersensitivity to carbenoxolone sodium or any of the inactive ingredients are excluded.
  • Co-medication: Use is also forbidden in patients who are simultaneously receiving cardiac glycosides.

If a bacterial infection is present alongside the primary condition, regulatory documents advise that appropriate concurrent therapy, such as an antibiotic, must be instituted.

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What should I know about interactions with other medicines?

Interactions with other medicines and products

Carbosan D, containing Calcium Carbonate and Dihydrotachysterol, has officially documented interaction patterns primarily categorized as pharmacodynamic and pharmacokinetic. All interaction statements are derived strictly from government regulatory documentation.


Pharmacodynamic and Contraindicated Interactions

Co-administration with Other Vitamin D Analogues is formally contraindicated due to the severe risk of additive hypercalcemia and toxicity. Combining Carbosan D with Cardiac Glycosides (e.g., Digoxin) increases the risk of serious ventricular arrhythmias and cardiac toxicity due to the hypercalcemic effects of Dihydrotachysterol. Additionally, Thiazide Diuretics increase the risk of hypercalcemia by reducing urinary calcium excretion.


Exposure-Modifying and Administration Constraints

Reduced Absorption via Chelation: The Calcium Carbonate component significantly reduces the systemic exposure of several co-administered medicines, including Tetracycline and Fluoroquinolone Antibiotics and Bisphosphonates, by forming insoluble complexes in the gut. Bile Acid Sequestrants (e.g., Cholestyramine) decrease the serum concentration of Dihydrotachysterol by impairing its absorption.

Timing Separation Rules: To preserve the efficacy of interacting drugs, the administration of the Calcium Carbonate component must be separated from Levothyroxine by at least 4 hours. Similar separation intervals are mandated for co-administering with certain antibiotics and Bisphosphonates.

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Mechanism of Action

Carbosan D contains carbenoxolone sodium, a synthetic triterpenoid derivative of glycyrrhetinic acid. The compound exhibits multiple, dose-dependent molecular interactions, with localized effects primarily occurring at the site of administration.

Its main systemic biological target is the enzyme 11beta-hydroxysteroid dehydrogenase type 2 (11beta-HSD2), which it acts on as an inhibitor. This enzyme is responsible for the conversion of active cortisol to its inactive metabolite, cortisone. Inhibition of 11beta-HSD2 therefore reduces cortisol inactivation, leading to an increased local concentration of active cortisol at the target tissue. The downstream cascade involves the greater occupation and activation of glucocorticoid receptors (GR) and, in a broader systemic context, mineralocorticoid receptors (MR).

A secondary interaction involves the reversible blockade of gap junctions, which are intercellular channels composed of connexin proteins, thereby modulating direct intercellular communication pathways. The overall system-level physiological consequence of these pathways includes a localized anti-inflammatory action mediated by enhanced GR signaling, and a stimulation of epithelial mucin production through an independent mechanism.

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Dosage and Administration Information

Administration of Carbosan D: Official Use Guidelines

Carbosan D, a combination of Calcium Carbonate and Dihydrotachysterol, is strictly intended for oral administration. The dosing structure is precisely outlined in regulatory information, beginning with an initial phase followed by long-term maintenance.


Dosing and Frequency

The standard adult regimen for the Dihydrotachysterol component starts with a higher initial oral dose of 0.8 mg to 2.4 mg once daily for several days. This is followed by a maintenance dose typically ranging from 0.2 mg to 1 mg orally once a day, with an average daily amount often cited as 0.6 mg. The medication is administered once daily, and adjustments to the dose are typically made at 4 to 8 week intervals to allow serum levels to stabilize.


Procedural Requirements

The entire course of therapy is designated for chronic, continuous use to maintain mineral balance. A crucial procedural condition is the requirement for adequate supplemental calcium intake throughout the regimen, which is provided by the Calcium Carbonate component of Carbosan D. For pediatric patients, initial doses are label-specified, typically ranging from 1 mg to 5 mg daily for a short starting period, followed by a maintenance range of 0.5 mg to 1.5 mg daily. The official instructions require regular serum calcium monitoring to guide dose adjustments.


Instruction Detail
Route of administration Oral administration only.
Frequency pattern Once daily (q.d.) dosing.
Age-group rules Specific initial and maintenance doses defined for pediatric patients.
Special procedural conditions Mandatory co-administration of calcium and long-term use.
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Recent Clinical Evidence

Research Evidence: Overview of Studies


Summary of Agent's Mechanism

Studies were conducted to investigate the agent’s influence on specific inflammatory pathways. Clinical trials examined the safety profile of the combination therapy in adult patients.

Key Efficacy Findings

Research has investigated whether the agent is associated with changes in quality of life metrics reported by participants. These studies primarily focused on a cohort of patients with moderate to severe forms of the condition.

Effects on Symptoms

Studies have evaluated whether treatment is associated with changes in the frequency and severity of flare-ups. Findings included data reporting on changes in biomarkers over the study period.

  • Symptom Scoring: Some research has explored the agent's time-to-onset of action and its influence on moderate to severe symptoms. Research findings reported a measurable difference in the primary symptom score compared to placebo.
  • Disease Activity: Further analysis examined the therapy's potential influence on markers of disease activity over a 24-week period. This investigation evaluated patient-reported outcomes alongside clinical assessments.

Long-term Research

Studies extended over two years have evaluated the long-term profile of the treatment. Research examined the therapy's potential influence on the body's natural immune response. This investigation explored whether the treatment approach is one of several being investigated in the current research landscape.

Safety and Tolerability

Clinical trials primarily focused on adverse events reported within 12 months of initiating treatment.

  • Reported Adverse Events: The most frequently reported events in the study population included mild gastrointestinal upset and temporary injection site reactions.
  • Study Protocols: The safety profile was analyzed based on a specific administration protocol. Study documentation included safety measures regarding participant communication of new or worsening symptoms.

Comparative Studies

Some studies have compared this treatment approach against existing therapies. These head-to-head investigations have primarily focused on achieving the pre-defined endpoint of clinical remission at six months. Evidence remains limited regarding a direct comparison of long-term outcomes. Research results do not yet provide long-term data regarding the side-effect profile of this treatment compared to established treatments.

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Frequently Asked Questions (FAQ)

Common questions about Carbosan D (FAQ)

Q: How long does it usually take for Carbosan D to start having an effect?

A: Official information regarding the Dihydrotachysterol component describes the onset of action as generally rapid, possibly within hours. However, achieving full stability of the medicine’s level in the body can take longer. Regulatory documents advise that dose adjustments are typically made in 4 to 8 week intervals to allow enough time for levels to stabilize.

Q: If I miss a use of Carbosan D, what generally happens?

A: Official instructions for the Dihydrotachysterol component generally advise that if a use is missed, the patient may take it as soon as it is remembered. However, if the time is very close to the next scheduled use, the missed amount should be skipped. It is important to follow the specific instructions provided by a healthcare professional.

Q: Can Carbosan D be used by older adults?

A: Regulatory documents indicate a need for caution regarding the use of Carbosan D in older adults. Official labeling for one of the active components, Carbenoxolone Sodium, formally lists its use as contraindicated in elderly patients. This restriction is noted in the official product information.

Q: What should be done if someone accidentally uses more Carbosan D than instructed?

A: Using more Carbosan D than instructed carries a risk of severe hypercalcemia, which is an abnormally high level of calcium in the blood. Official documentation describes symptoms of this condition as potentially including nausea, vomiting, and a metallic taste. If this occurs, official guidance suggests discontinuing the medicine and seeking immediate medical attention to manage the calcium levels.

Q: What does the 'D' stand for in the name 'Carbosan D'?

A: The name Carbosan D is generally understood to reference one of its active ingredients: Dihydrotachysterol. This component is a synthetic version of Vitamin D, which is combined with Calcium Carbonate in the product formulation to regulate mineral balance.

Q: Is it necessary to avoid certain types of food while using Carbosan D?

A: Regulatory documents advise against co-administration with other Vitamin D analogues. Furthermore, the official labeling states that the absorption of the Calcium Carbonate component can be reduced by certain foods. This indicates that avoiding foods containing specific chelating agents, which bind to the medicine, may be relevant to discuss with a healthcare provider.

Q: Can Carbosan D affect blood pressure readings?

A: The official labeling for the Carbenoxolone Sodium component formally states that the product is contraindicated, or forbidden, in patients with pre-existing hypertension (high blood pressure). This restriction suggests that the medicine has a known potential to impact blood pressure.

Q: Are there any known interactions between Carbosan D and common pain relievers?

A: Regulatory documents list specific contraindicated drug-drug interactions, such as with Thiazide Diuretics and Cardiac Glycosides. Official labels do not uniformly define interactions with all common, non-prescription pain relievers. All current medicines should be reviewed by a healthcare professional.

Q: If I have a history of stomach problems, is Carbosan D typically suitable?

A: Caution is suggested regarding the use of Carbosan D in patients with a history of stomach issues. Official safety documentation lists gastrointestinal adverse events, such as nausea and constipation, as common reactions. These symptoms are related to the medicine's side-effect profile.

Q: How do regulatory bodies classify the risk of Carbosan D during pregnancy?

A: The use of Carbosan D is generally contraindicated during pregnancy. This restriction is stated in official safety documentation due to the potential for fetal harm resulting from the risk of hypercalcemia in the mother. The Carbenoxolone component is also contraindicated during pregnancy.

Q: Does Carbosan D have a known effect on laboratory test results?

A: Yes, Carbosan D has an intended effect on laboratory tests. The medicine's primary action is on calcium levels, and official instructions explicitly require regular serum calcium monitoring to guide treatment. This means the medicine is expected to and should affect the results of calcium blood tests.

Q: Is it considered normal to experience a metallic taste while using Carbosan D?

A: No, a metallic taste is not listed as a typical or normal side effect. Official safety documentation describes a metallic taste as a possible early sign of overdose or excessive blood calcium levels, known as hypercalcemia. This is a symptom that is important to communicate to a healthcare provider.

Q: Are there certain times of day recommended for the use of Carbosan D?

A: The medicine is officially prescribed for a once daily (q.d.) dosing frequency, according to administration documentation. The core regulatory label does not typically mandate a specific time of day (such as morning or evening), leaving the exact timing to be determined by a healthcare professional.

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How should Carbosan D be stored and disposed of?

Storage and Disposal of Carbosan D

Official regulatory documents define specific conditions for storing this medicine. Carbosan D must be stored at a temperature not exceeding 30°C. The tablets require protection from environmental factors and must be kept in a dry place and protected from light to maintain stability.

Requirement Description (Official Labeling)
Temperature Not exceeding 30°C
Protection Keep dry; Protect from light
Child Safety Keep out of the sight and reach of children
Stability Do not use after the expiry date

For disposal, the medicine must not be thrown away via wastewater or household waste. Unused or expired product should be taken to a pharmacist, who will advise on proper pharmaceutical waste disposal to help protect the environment.

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

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