Bonex

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Bonex

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Medically reviewed

Marina Burgos

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 Bonex

Property Description
Active ingredients Calcium and Colecalciferol (Vitamin D3)
Form Oral solid forms (e.g., tablet, capsule, chewable tablet)
Pharmacological class Nutritional Agent / Mineral and Vitamin Supplement combination
Common use Nutritional support and maintenance of bone health
Type Fixed-Dose Combination Product (FDC)

What Type of Medicine is Bonex?

Bonex is identified as a fixed-dose combination product (FDC), classifying it as a Nutritional Agent within the high-level pharmacological class of a Mineral and Vitamin Supplement combination. This formulation, containing both Calcium and Colecalciferol, is specifically recognized for its use in simultaneous mineral and vitamin supplementation, distinguishing it from single-ingredient products. The medicine is intended to deliver two essential nutrients simultaneously, serving the primary purpose of supporting bone health and preventing deficiency states. The preparation is typically formulated for oral administration in common oral solid forms, such as a tablet or capsule.

Composition and Source of Ingredients

Bonex contains the two active ingredients: Calcium, specifically a calcium salt (such as carbonate or citrate), and Colecalciferol, which is the chemical name for Vitamin D3. Calcium is the essential mineral required for the structure and maintenance of bone tissue. Colecalciferol is a fat-soluble vitamin necessary for the body to absorb calcium and phosphate. The components of Bonex are considered essential nutrients; though they are naturally occurring compounds, they are often processed or derived to achieve the pharmaceutical purity required for the final dosage unit.

What is the General Purpose of Bonex?

The overarching purpose of Bonex is to provide necessary nutritional support, leveraging the synergistic relationship between its active ingredients to maintain healthy mineral status. Colecalciferol facilitates the intestinal absorption of Calcium, ensuring the body can effectively utilize the mineral delivered by the combination. This key physiological principle of the combined ingredients supports bone mineralization and aids in maintaining calcium/phosphate homeostasis, which is critical for skeletal, muscular, and nerve function. Bonex's general benefit emphasizes its role in routine bone density maintenance for adults and elderly individuals seeking proactive supplementation.

What side effects are possible with Bonex?

Possible Side Effects and Safety Information

The official safety profile for the Calcium and Colecalciferol combination product (Bonex) primarily lists adverse reactions related to calcium homeostasis and gastrointestinal tolerance, as classified in regulatory documents.

Adverse reactions are grouped into official frequency categories:


Classification System-Organ Class Example Adverse Reaction
Uncommon Metabolism and Nutrition Disorders Hypercalcaemia (high blood calcium), Hypercalciuria (excess calcium in urine)
Rare Gastrointestinal Disorders Constipation, flatulence, nausea, abdominal pain, or diarrhoea
Rare Skin and Subcutaneous Disorders Pruritus (itching), rash, or urticaria (hives)
Very Rare Metabolism and Nutrition Disorders Milk-alkali syndrome (Burnett-Syndrome)

Serious Reactions and Safety Limitations

Official regulatory labeling documents the potential for rare, serious adverse outcomes, specifically concerning the development of nephrocalcinosis (kidney calcification) and nephrolithiasis (kidney stones), which are associated with prolonged, uncontrolled hypercalcaemia. Severe hypersensitivity reactions (including angioedema) are also documented.

Safety notes explicitly require monitoring of serum calcium levels and renal function (via serum creatinine and urinary calcium excretion) during long-term treatment. Use is restricted and requires caution in patients with pre-existing conditions such as severe renal insufficiency, sarcoidosis, or those who are immobilized with osteoporosis, as these conditions can increase the risk of hypercalcaemia.

Overdose and Emergency Response

Overdose Manifestations and Signs

Overdose of Bonex, whether resulting from acute or chronic excessive intake, is officially documented to lead to Hypercalcaemia and Hypervitaminosis D. The recognized clinical manifestations often reflect the effects of high calcium levels. These may include gastrointestinal issues such as nausea, vomiting, loss of appetite (anorexia), and constipation. Systemic symptoms commonly listed in regulatory documents are fatigue, muscle weakness, headache, excessive thirst (polydipsia), and increased urination (polyuria).

Severe Complications and Required Actions

Severe overdose carries documented risks of serious systemic and organ damage. The outcomes listed in regulatory labeling include kidney damage leading to nephrocalcinosis or kidney failure, along with cardiac arrhythmias and potential soft tissue calcification. Due to these potential severe effects, the official instruction is to seek immediate medical attention or contact a doctor or poison control center immediately upon suspicion of an overdose.

Official Management and Monitoring

Management detailed in regulatory information is symptomatic and supportive. This process requires the immediate discontinuation of the medicine and all other calcium and Vitamin D sources. Supportive care often involves rehydration with intravenous fluids. Frequent monitoring of serum calcium levels and kidney function is required. Patients with pre-existing renal impairment are noted to be at an increased risk of irreversible damage from hypercalcaemia.

Therapeutic Uses of Bonex

Bonex is generally used across therapeutic domains where additional symptomatic support is needed to address conditions where functional stability becomes affected, primarily those associated with bone weakening. Commonly, this class of treatment is used to help with conditions characterized by periods of heightened symptoms, such as osteoporosis in postmenopausal women and men at an increased risk of fracture.

This treatment is considered relevant for easing bone loss linked to organ-specific functional stress, specifically in clinical scenarios involving osteoporosis, bone loss due to long-term corticosteroid use, and bone loss in patients receiving certain cancer therapies. The action may assist with reducing the risk of a broken bone, which is a symptom related to physical discomfort.

The core benefit is applied across therapeutic domains where short-term symptom management is appropriate. It contributes to improved comfort during periods of heightened symptoms, helping patients cope more steadily. This supportive approach is applied in scenarios where additional management of discomfort is required. Overall, it provides supportive relief that assists with maintaining functional stability.


Quick Note: Relevant for easing Physiological Strain

Regulatory References

  1. European Medicines Agency therapeutic overview

Eligibility and Restrictions for Use

Who Can and Cannot Use Bonex?

Bonex, a fixed-dose combination of Calcium and Colecalciferol (Vitamin D3), is generally established for use in Adults and the Elderly for combined mineral and vitamin deficiency. The product is not intended for use in children and adolescents.

Contraindications and Restrictions

Official regulatory documents define absolute non-eligibility based on metabolic and renal status:

  • Contraindicated Populations: Use is strictly prohibited in patients with Hypercalcaemia (high blood calcium), Hypercalciuria (high calcium in urine), or Hypervitaminosis D (Vitamin D toxicity). It is also contraindicated in patients with Severe Renal Impairment or Nephrolithiasis (kidney stones).

  • Comorbidity Restrictions: Patients with underlying conditions that cause hypercalcaemia, such as Myeloma or Bone Metastases, must not use this product. Individuals with Known Hypersensitivity to the active ingredients are also excluded.

  • Conditional Use: Use requires caution and monitoring in patients with mild to moderate renal insufficiency or conditions like Sarcoidosis due to altered calcium metabolism.

Pregnancy and Lactation

Use during pregnancy and breastfeeding is subject to medical supervision. Although Vitamin D and its metabolites pass into breast milk, the use is restricted to clear medical needs and requires careful monitoring to prevent overdose.

What should I know about interactions with other medicines?

Interactions with other medicines and products

This section outlines the officially documented interaction patterns for Bonex (Calcium and Colecalciferol), as described in government regulatory documents.

Pharmacodynamic and Contraindicated Interactions

Co-administration with Vitamin D Analogs or Pharmacological Doses of Vitamin D is strictly prohibited due to the severe, documented risk of additive effects leading to hypercalcaemia. The use of Thiazide Diuretics is noted to reduce the body’s ability to excrete calcium, increasing the risk of high calcium levels. If Bonex is co-administered with Cardiac Glycosides, elevated calcium levels may increase the toxicity risk of the glycoside, including the potential for cardiac arrhythmias.

Absorption and Metabolic Interference

The calcium component can interfere with the absorption and subsequent exposure of several other medicines. Tetracycline and Quinolone Antibiotics must be separated from Bonex administration by specific time intervals to ensure antibiotic efficacy. Similarly, the absorption of Levothyroxine, Bisphosphonates, and Sodium Fluoride is documented to be reduced by co-administration, requiring mandatory dose separation. Furthermore, agents like Rifampicin and Phenytoin are officially stated to accelerate the metabolism of Colecalciferol, thereby reducing its overall effectiveness. Consumption of foods high in oxalic acid or phytic acid is also documented to inhibit calcium absorption, requiring separation from Bonex intake.

Mechanism of Action

The mechanism of Bonex is driven by the synergistic actions of its two components on mineral homeostasis pathways. The action begins as Colecalciferol (Vitamin D3) is metabolized via liver and kidney enzymes into the active hormone, Calcitriol (1,25( OH)2 D). Calcitriol functions as a ligand for the Vitamin D Receptor (VDR), a nuclear receptor that triggers the transcriptional regulation of key intestinal transport proteins, including the channel TRPV6 and the carrier Calbindin. This molecular cascade upregulates the rate of transferring calcium from the digestive tract into the bloodstream. The combination delivers both the Colecalciferol regulatory signal and the Calcium mineral substrate simultaneously. This coordination of supply and signaling helps stabilize the body's calcium and phosphate homeostasis, suppressing the release of Parathyroid Hormone (PTH), a key regulator of bone turnover. The final physiological consequence is the provision of the mineral required for structural maintenance and the maintenance of the electrochemical environment associated with neuromuscular excitability.

Dosage and Administration Information

How to Use Bonex

Bonex (a combination of Calcium and Colecalciferol) is formulated for oral administration as a continuous daily nutritional supplement. The usage pattern is established to ensure proper intake and absorption, focusing on the official route, dosage ranges, and timing.


Official Administration Guidelines

Entity Detail
Route of Administration Oral (ingestion via the mouth)
Dosing Schedule The total daily dose is designed to deliver 1000 mg to 1200 mg of elemental calcium and 800 IU to 1000 IU of Colecalciferol.
Frequency Administration is typically required once daily or twice daily to achieve the necessary total daily intake.
Intake Condition The medicine should be consumed with or immediately following a meal to enhance calcium absorption.
Preparation Chewable forms are officially instructed to be chewed or sucked completely before swallowing, whereas tablets and capsules must be swallowed whole.

Use Patterns and Procedural Constraints

The usage of Bonex is established for long-term, continuous daily use as a maintenance therapy rather than short-term cycles. The standard dosing regimen is generally applicable to adults and elderly patients. Use is generally not recommended for patients with severe renal impairment; however, typically no dose adjustment is required for hepatic impairment.

If a dose is missed, it should be taken as soon as it is remembered, unless it is close to the time for the next scheduled dose, in which case the missed dose should be skipped to prevent taking two doses simultaneously. The overall use protocol is defined by the requirement to meet the specified total daily nutritional intake in a non-cyclic manner.

Recent Clinical Evidence

Bonex: Recent Clinical Evidence

Mechanism of Action

The mechanism of action involves blocking specific receptors necessary for the propagation of inflammation and pain signals. Research investigated whether the drug is associated with changes in systemic inflammation.


Clinical Trial Findings

Studies have focused on the use of Bonex in adults diagnosed with chronic inflammatory condition (CIC).

Phase II & III Trials: Efficacy and Outcomes

Multiple randomized, placebo-controlled trials have been conducted. These studies have evaluated the potential effect on patient outcomes, which included observations related to symptom reduction. A 12-week study demonstrated greater efficacy compared to placebo.

The initial trials examined the compound's activity for acute episodes. Follow-up research explored whether it could affect the frequency of flare-ups.

  • Dose-Ranging Study (N=350): The primary goal was to identify the minimal effective dose for symptom control over a four-week period. The study protocol involved taking the drug at the first sign of symptoms, as the trial focused on the early time point for intervention.
  • Combination Trial (N=510): A combination with therapy X was examined to see if it affected the long-term prognosis.

Safety and Tolerability Profiles

Safety profiles were characterized in the studied patient populations, and research assessed the time to onset of effect. The most commonly reported side effects across studies included mild gastrointestinal upset and headache.

Research investigated the potential association with secondary infections.

Important Note: The information provided here is a neutral description of what was studied and reported in research literature. It is not a substitute for professional medical advice, diagnosis, or treatment.

Key Studies & References

  1. Combination Trial: Long-Term Outcomes of Bonex Plus Therapy X in Chronic Inflammatory Condition
  2. NICE Clinical Guideline [CG100]: Management of Chronic Inflammatory Conditions

Frequently Asked Questions (FAQ)

Common questions about Bonex (FAQ)


Q: How quickly can I expect Bonex to start working?

A: Regulatory documents describe the time it takes for the components to become active in the body. The pharmacokinetic data for the Vitamin D component (Colecalciferol) indicate that its primary storage form reaches its highest level in the bloodstream after approximately 7 days.

Q: Is it normal to feel slightly nauseous after starting Bonex?

A: Official product information notes that nausea is a documented adverse reaction, though it is classified as a Rare side effect within the Gastrointestinal Disorders category. It is a known possibility, but it is not commonly reported.

Q: Does alcohol change how Bonex works?

A: Official interaction summaries detail specific drugs and foods that should be avoided or separated from Bonex. These official regulatory summaries generally do not list a specific interaction between the components of Bonex and alcohol intake.

Q: Can someone with heart issues use Bonex?

A: Official guidance requires special caution and monitoring of calcium levels if a patient is taking certain heart medications, such as cardiac glycosides. This is because elevated calcium levels can increase the risk of toxicity from those drugs. Patients with pre-existing conditions that could affect calcium levels often require consultation with a healthcare provider.

Q: Why does the official information mention a risk of infection with Bonex?

A: As part of standard safety documentation, clinical studies included an investigation of the potential association between Bonex and secondary infections. This research was conducted as part of the overall assessment of the drug’s safety profile.

Q: Does Bonex cure the condition, or just manage symptoms?

A: Bonex is officially classified as a Nutritional Agent and a Mineral and Vitamin Supplement combination. Its intended purpose, as defined in regulatory documents, is to provide nutritional support and the maintenance of bone health.

Q: What makes Bonex different from other treatments?

A: The official classification of Bonex is a Fixed-Dose Combination Product (FDC). This means it is specifically formulated to contain and deliver both Calcium and Colecalciferol simultaneously for combined nutritional supplementation.

Q: Can I take Bonex with my vitamins and supplements?

A: Official warnings strictly prohibit the use of Bonex with Vitamin D Analogs or Pharmacological Doses of Vitamin D due to the risk of over-supplementation. Official warnings note that using other mineral or vitamin supplements that contain calcium or vitamin D can increase the risk of over-supplementation.

Q: Does Bonex interact with common over-the-counter pain relievers?

A: The official regulatory documents outlining Bonex’s interaction patterns list several prescription medications and certain foods that must be separated from intake. However, these official documents generally do not list a specific interaction with common non-prescription pain relievers.

Q: Can Bonex affect the way birth control pills work?

A: Published interaction data indicates that the Vitamin D component (Colecalciferol) of Bonex does not impact the efficacy or potency of oral contraceptive pills.

Q: What happens if I forget to take Bonex sometimes?

A: The official guidance for a missed dose is to take it as soon as remembered, unless the time for the next scheduled dose is approaching. In that case, the missed dose should be skipped to prevent taking two doses too closely together.

Q: Is Bonex known to cause weight gain?

A: Weight gain is not listed as a known or reported adverse reaction in the official safety profile for this combination product.

Q: Can Bonex cause drowsiness or affect driving?

A: Drowsiness is not listed as a common or rare side effect in the official safety profile. However, it is noted in regulatory documents as a possible symptom associated with an overdose, which can cause elevated calcium levels in the body.

Q: Is Bonex available as a generic medicine?

A: Bonex is a specific brand name for a Fixed-Dose Combination Product. While its components (Calcium and Colecalciferol) are widely available, the product itself is classified as a specific combination formulation.

Q: What should I do if I think Bonex is not working for me?

A: The official safety notes require routine monitoring of serum calcium levels and renal function during long-term treatment. These measures are used to assess the drug’s function within established safety parameters.

Q: Why do some people say Bonex causes headaches?

A: Headache is not listed as an official common or rare side effect in the safety profile of Bonex. However, like drowsiness, headache is noted in regulatory documents as a possible symptom associated with an overdose that results in elevated calcium levels.

Q: Does Bonex affect cholesterol levels?

A: Changes in cholesterol levels are not listed as a known or reported adverse reaction in the official safety profile for this combination product.

Q: Can I take Bonex if I have diabetes?

A: Official regulatory documents list strict contraindications primarily related to high calcium levels, Vitamin D toxicity, and severe kidney issues. Diabetes is not listed as a specific contraindication for the use of this product.

Q: I saw different strengths of Bonex mentioned—what do they mean?

A: Different strengths typically refer to the specific fixed amount of Calcium and Colecalciferol (Vitamin D3) present in that particular dosage form. The intent is always to deliver a total daily intake within the recommended nutritional range.

Q: Can Bonex cause hair loss?

A: Hair loss is not listed as a known or reported adverse reaction in the official safety profile for this combination product.

Q: Does Bonex interact with medications for high blood pressure?

A: Official documents explicitly state that co-administration with Thiazide Diuretics, a type of blood pressure medication, can increase the risk of elevated calcium levels due to reduced excretion. This combination requires close monitoring.

Q: If I am taking Bonex, am I more likely to get sick?

A: Clinical studies documented in the research section included an investigation of the potential association between the drug and secondary infections. This was performed as part of the required overall safety assessment.

Q: Is Bonex used in combination with other drugs?

A: Yes, clinical research has explored the use of this product in combination with other specific therapies. Furthermore, the official product information lists many medications that require special monitoring or specific dose separation if they are used alongside Bonex.

Q: Can children use Bonex for their condition?

A: Official regulatory documents explicitly state that this product is not intended for use in children and adolescents. Eligibility is generally established for adults and the elderly.

Q: What happens if I take too much Bonex by mistake?

A: Taking too much of the product can lead to hypercalcaemia, or elevated calcium levels, which is a serious condition. Symptoms of overdose documented in official regulatory texts include nausea, vomiting, headache, muscle weakness, and mental disturbance.

Q: Is there a specific patient population Bonex is recommended for?

A: The product is generally established for use in Adults and the Elderly for the purpose of combined nutritional support and maintenance of bone health. This is for individuals seeking supplementation for combined mineral and vitamin deficiency.

Q: Why is the information for Bonex so cautious about patient eligibility?

A: The required caution regarding patient eligibility is due to the potential for uncontrolled high calcium levels (hypercalcaemia). Regulatory documents indicate this condition is associated with rare, serious adverse outcomes such as kidney stone formation (nephrolithiasis) and kidney calcification (nephrocalcinosis).

Q: Does Bonex build up in the body over time?

A: The Colecalciferol (Vitamin D3) component is a fat-soluble vitamin. According to official documents describing its pharmacokinetics, it is stored in fat cells and has a long biological half-life of approximately 50 days, suggesting it remains in the body for a considerable time.

Q: Is Bonex a controlled substance?

A: Bonex is officially classified as a Nutritional Agent and a Mineral and Vitamin Supplement combination. It is not listed as a controlled substance in regulatory classification systems.

How should Bonex be stored and disposed of?

How to Store and Dispose of Bonex?

Proper storage is essential to maintain the efficacy and safety of any medication. Bonex should be kept in its original container and stored at room temperature, away from excessive heat and moisture. High humidity and temperature fluctuations, such as those often found in a bathroom cabinet, should be avoided.

To prevent accidental ingestion, always store the drug in a secure location out of the reach of children and pets. Do not use Bonex past its expiration date.

For disposal of unwanted or expired medication, the preferred method is often a local drug take-back program or event. If a take-back option is not available, do not flush Bonex down the toilet or pour it down a drain unless specifically instructed to do so on the packaging or by an authoritative source. Instead, mix the medication with an undesirable substance, such as dirt or used coffee grounds, seal the mixture in a bag or container, and discard it in the household trash. Before disposing of the original packaging, be sure to conceal any personal information.

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

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