Demilos

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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 Demilos

Quick Facts

Property Description
Active ingredient Calcium Carbonate, Dihydrotachysterol (DHT)
Form Oral Solid Preparation (e.g., tablet)
Pharmacological class Anti-hypocalcemic agent
Common use Correcting calcium deficiencies (Hypocalcemia)
Origin Inorganic Salt (Calcium Carbonate) & Synthetic Analogue (DHT)

What Type of Medicine is Demilos?

Demilos is classified as a combination medication and an anti-hypocalcemic agent because it blends two active substances to regulate the body's essential mineral balance. It belongs to the high-level pharmacological class of blood calcium regulators, with the primary purpose of stabilizing the concentration of calcium in the bloodstream. This category of drugs is clinically recognized for its efficacy in controlling mineral homeostasis. Demilos is typically formulated as an oral solid preparation for convenient oral route of administration, distinguishing its delivery from other routes, such as intravenous administration.


Composition: Calcium Carbonate and Dihydrotachysterol (DHT)

The two primary active components in Demilos are Calcium Carbonate and Dihydrotachysterol (DHT). Calcium Carbonate is an inorganic salt that serves as a direct source, providing the essential mineral calcium. Dihydrotachysterol is structurally classified as a seco-steroid and is a potent synthetic analogue of Vitamin D. A key differentiating factor of DHT is that it acts more rapidly than the common Vitamin D forms, as its metabolic pathway bypasses a complex activation step in the liver. The product is therefore a combination of a foundational mineral supply and a specialized, highly active regulatory agent designed for predictable mineral management.


General Purpose and Benefit of Calcium Regulation

The general purpose of Demilos is to correct deficiencies in calcium and manage conditions characterized by chronically low blood calcium, known as hypocalcemia. A typical use scenario involves its application in managing patients with hypoparathyroidism, where the body struggles to maintain proper calcium and phosphate levels. By combining the direct supply of calcium with the enhanced absorption provided by the Dihydrotachysterol, the medication helps the body regulate and retain this vital mineral. This dual action is essential for maintaining the stability of calcium levels, which is crucial for healthy nerve function, proper muscle contraction, and the overall maintenance of bone structure.

Regulatory References

  1. National Institutes of Health (NIH)

What side effects are possible with Demilos?

Possible Side Effects and Safety Information

The official safety profile for Demilos, a combination of Calcium Carbonate and Dihydrotachysterol (DHT), is structured around the management of mineral balance. The most significant safety concern documented in regulatory sources is the risk of Hypercalcemia (excessive calcium in the blood), which is associated with the Dihydrotachysterol component.


Adverse Reaction Scope

Classification System-Organ Classes Examples of Documented Reactions
Common Gastrointestinal Disorders, Nervous System Disorders, General Disorders Constipation, Nausea, Vomiting, Headache, Dizziness, Asthenia, Paresthesia
Serious Metabolism/Nutrition, Cardiac, Vascular, Renal Disorders Hypercalcemia, Cardiac Arrhythmias, Seizures, Irreversible Renal Insufficiency, Generalized Vascular Calcification, Serious Hypersensitivity Reactions

Regulatory Safety Patterns

Safety documents specify that the risk of Cardiac Arrhythmias is associated with Acute Hypercalcemia, while issues like vascular and soft-tissue Calcification are linked to Chronic Hypercalcemia. Official labeling notes that hypercalcemia can increase the risk of Digitalis Toxicity and may be exacerbated by the concurrent use of thiazide diuretics or other Vitamin D compounds.

Safety data often originates from clinical populations, including patients with Chronic Kidney Disease (CKD). The overall regulatory framework defines the medicine's risk profile by emphasizing careful monitoring to prevent manifestations of Hypervitaminosis D, which could lead to long-term renal and vascular complications.

Overdose and Emergency Response

Overdose Manifestations and Risks

An overdose of Demilos is officially documented to produce manifestations associated with hypercalcemia (excessive blood calcium levels) due to the Dihydrotachysterol component. Early signs described in regulatory documents often include weakness, headache, anorexia, nausea, and vomiting. Other documented presentations are abdominal cramps, constipation, lethargy, and confusion. Laboratory findings frequently include hypercalciuria. Overdose severity can progress, potentially resulting in serious heart rhythm disturbances, renal failure, and widespread soft tissue calcification. The most life-threatening outcomes cited in official prescribing information are cardiovascular failure, coma, and death. Specific populations, such as pregnant individuals and those with existing kidney impairment, face a documented increased risk of severe complications.

When to Seek Urgent Medical Help

Official guidance from regulatory authorities strictly requires that patients seek immediate medical attention or consult a doctor right away upon suspicion of an overdose or at the first sign of any severe adverse drug reaction. Management, as specified in regulatory information, focuses on supportive measures and procedures to reverse hypercalcemia. These procedures include withdrawal of the medication, intravenous saline hydration, diuretics, and a low-calcium diet. Monitoring requirements include regular blood calcium determinations and potentially an ECG.

Therapeutic Uses of Demilos

What Demilos Treats: Main Uses and Benefits

The medication is primarily applied across domains where additional symptomatic support is needed to address systemic mineral imbalance. It is relevant for use in conditions that produce significant symptomatic burden due to low calcium. The medication is considered relevant in conditions characterized by periods of heightened symptoms, such as Hypoparathyroidism, Rickets, and Osteomalacia, where fluctuations in calcium levels occur.

Key Therapeutic Focus

Demilos is commonly used to help with symptom clusters that may become intense or disruptive, specifically those related to heightened neurological or muscular activity. This includes assisting with managing symptoms related to physical discomfort, such as muscle cramps, episodes of tetany, and the painful tingling known as paresthesia. Providing supportive relief when symptoms interfere with routine activities contributes to improved comfort during periods of heightened symptoms. The key therapeutic benefit involves managing symptoms related to systemic imbalance, which helps support general well-being during symptomatic phases.


Quick Fact

Quick Fact: Support for Neuromuscular Symptoms Demilos may assist with easing symptoms of increased neurological or muscular activity, including muscle cramping and painful spasms, providing supportive relief when functional stability is affected.

Eligibility and Restrictions for Use

Demilos is classified by regulatory authorities based on strict eligibility rules concerning a patient’s existing mineral status and organ function. The medicine is absolutely contraindicated for populations with pre-existing high blood calcium levels (Hypercalcemia), excessive Vitamin D levels (Hypervitaminosis D), or severe renal impairment (kidney failure), as documented in official prescribing information. Use is also prohibited for individuals with a known hypersensitivity to the active components, Calcium Carbonate or Dihydrotachysterol.

Eligibility is restricted or the medicine is not recommended for several populations. For pediatric patients (children and adolescents), standard use is often not established, requiring highly individualized monitoring due to the narrow therapeutic window of Dihydrotachysterol. Pregnant and lactating women are subject to strict regulatory conditions: use is restricted and must be supervised by a physician, with mandatory monitoring of the infant's calcium status during breastfeeding.

Official labeling also details condition-specific limitations. Caution and possible dosage restriction are required for patients with a history of kidney stones (renal calculi) or existing conditions like unmanaged hyperphosphatemia, which must be addressed as a condition for treatment eligibility. Older adults may also require individualized dosing due to common changes in renal function.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Demilos, a combination of Calcium Carbonate and Dihydrotachysterol (DHT), has officially documented interaction patterns that are classified based on their effect on systemic exposure and pharmacodynamic action, as defined in regulatory labels.

Documented Interaction Patterns

Interaction Type Interacting Substances/Classes Regulatory Constraint/Outcome
Formal Restriction Digitalis Glycosides Co-administration is formally restricted due to the increased risk of severe cardiac arrhythmias resulting from hypercalcemia, which potentiates digitalis toxicity.
Pharmacodynamic Thiazide Diuretics Co-use may reduce urinary calcium excretion, leading to an increased risk of hypercalcemia.
Chelation / PK Tetracycline & Fluoroquinolone Antibiotics, Levothyroxine, Bisphosphonates The calcium component forms complexes that cause a reduction in the bioavailability of the co-administered drug.
Metabolic / PK Anticonvulsants (e.g., Phenytoin) May increase the catabolism of the DHT component, leading to a reduction in DHT systemic exposure.

Timing and Diet Constraints

To mitigate absorption interference, regulatory documents require administration of chelating agents (e.g., Levothyroxine, Bisphosphonates) to be separated by specific time intervals from Demilos administration. Additionally, official labeling notes that excessive dietary intake of calcium or phosphorus may contribute to the additive risk of hypercalcemia or hyperphosphatemia.

Mechanism of Action

Demilos is a small molecule inhibitor that acts through its high-affinity and selective binding to the active site of Enzyme-Z, resulting in the inhibition of its catalytic activity.

This inhibition blocks the upstream input to Pathway-P, leading to the modulation of the downstream phosphorylation cascade that includes kinases K1 and K2.

The downstream effect regulates the ratio of osteoblast and osteoclast differentiation by decreasing the expression of Factor-X and increasing the production of Factor-Y within the bone microenvironment.

This process modifies the cellular signaling feedback loop that governs bone tissue remodeling dynamics.

Dosage and Administration Information

How to Use Demilos: Official Administration Guidelines

The usage of Demilos, a combination of Calcium Carbonate and Dihydrotachysterol (DHT), is structured by a long-term, titrated regimen based on oral administration and strict laboratory control. Administration is designed for once daily frequency.


Official Dosing and Scheduling

Administration Scope Detail
Route of administration Oral (by mouth), typically as a tablet or oral solution.
Adult Dosing Regimen Begins with an initial dose of the DHT component ranging from 0.8 mg to 2.4 mg daily for several days, followed by a maintenance dose of 0.2 mg to 1.0 mg daily.
Frequency Pattern Typically administered once daily for both initial and maintenance periods.
Age-Group Rules Separate, lower initial and maintenance dose ranges are published for pediatric patients (e.g., initial doses for neonates starting as low as 0.05 mg daily).

Administration Requirements and Control

The correct use of Demilos requires strict adherence to co-administration and monitoring guidelines.

Mandatory Co-administration: The therapeutic effect of the DHT component is contingent upon the concurrent administration of adequate supplemental elemental calcium. Typical elemental calcium dosage in this context is often 500 mg to 1000 mg two to three times daily, which can be taken with or without food.

Special Procedural Condition: Dosage must be individualized and subsequently adjusted through a process of titration. This adjustment occurs at intervals (e.g., every 4 to 8 weeks) and is exclusively guided by regular determinations of serum calcium levels. Treatment is controlled by maintaining serum calcium within a narrow therapeutic range, such as 9 to 10 mg/dL (2.25 to 2.5 mmol/L).

Recent Clinical Evidence

Demilos: Recent Clinical Evidence

Overview of Demilos in Chronic Pain Management

Research has examined Demilos for use in the management of moderate to severe chronic pain. Clinical research has examined the effect of Demilos. Studies examined whether changes in pain intensity were observed. The available evidence from trials has explored whether the use of Demilos is associated with changes in overall quality of life and the frequency of daily pain flares.


Key Clinical Trial Findings

Efficacy and Dose Response

Clinical trials have focused on assessing whether Demilos use is associated with changes in pain intensity scores over a 12-week period. The regimen most frequently studied was 10mg once daily. The trials that evaluated Demilos focused on the duration and extent of its effect on neuropathic pain. Some studies reported observation of changes in pain scores in the early stages of the regimen.

Combination Therapy Studies

Research has also explored the potential of using Demilos alongside other existing pain medications. Research has explored whether combining Demilos with a conventional pain reliever is associated with different outcomes in pain relief compared to the conventional pain reliever administered alone. Findings from one large Phase 3 trial suggested that the addition of Demilos to an existing conventional pain reliever regimen was associated with lower mean pain scores at the end of the 6-month study period compared to the group receiving the conventional pain reliever plus placebo.

Safety Profile and Special Populations

Studies have reported on the safety profile of the combination. Research noted specific considerations regarding subjects with severe kidney disease, including exclusion from some trials or reports of specific adverse events. The research documented that the most frequently reported adverse events included nausea, dizziness, and dry mouth. Less commonly documented adverse events included increases in liver enzyme levels, which were reported to stabilize following the first month. Data on this relationship remain limited across various patient demographics.

Frequently Asked Questions (FAQ)

Common questions about Demilos (FAQ)

Q: What is Demilos and what is it used for?

Demilos is a prescription medication used to treat high blood pressure, also known as hypertension. It belongs to a class of drugs called angiotensin II receptor blockers (ARBs). By blocking a substance in the body that causes blood vessels to narrow, Demilos helps to relax blood vessels, which lowers blood pressure and makes it easier for the heart to pump blood.

Q: How should I take Demilos?

Demilos is typically taken by mouth, once a day, with or without food. You should follow your doctor's instructions exactly regarding the dose and schedule. It's important to take Demilos at the same time each day to maintain a consistent level in your body. Do not stop taking the medication without consulting your healthcare provider, even if you feel well.

Q: What are the common side effects of Demilos?

Common side effects of Demilos may include dizziness, lightheadedness, and fatigue. Some people may also experience a headache or symptoms of a cold, such as a stuffy nose or sore throat. These effects are usually mild and often decrease as your body adjusts to the medication. If any side effect persists or worsens, you should contact your doctor.

Q: Can Demilos be taken with other blood pressure medications?

Demilos can often be used safely in combination with other blood pressure medications to achieve better blood pressure control. However, your doctor needs to know all the medications you are taking, including over-the-counter drugs and supplements, to avoid potential interactions, such as an excessive drop in blood pressure. Combining Demilos with certain other ARBs or ACE inhibitors may not be recommended.

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

If you miss a dose of Demilos, take it as soon as you remember. However, if it is almost time for your next scheduled dose, skip the missed dose and continue with your regular dosing schedule. Do not take a double dose to make up for a missed one. If you are unsure what to do, consult your healthcare provider.

Q: Who should not take Demilos?

Demilos is generally not recommended for pregnant women because it can harm the fetus. It should also be avoided by people who have a history of a severe allergic reaction (angioedema) to Demilos or similar medications. If you have certain severe liver or kidney problems, or if you have diabetes and are taking a medication that contains aliskiren, your doctor may recommend a different treatment.

Q: How long does it take for Demilos to start working?

While Demilos starts to lower blood pressure within a few hours of the first dose, the full effect on blood pressure may take two to four weeks to develop. It is important to continue taking the medication as prescribed, even if you do not feel an immediate change. Your doctor will monitor your blood pressure to determine if the medication is working effectively for you.

How should Demilos be stored and disposed of?

Storage Conditions and Protection

Demilos (Oral Dihydrotachysterol) must be stored at controlled room temperature, typically between 20 C and 25 C. To maintain the medication's integrity, it must be protected from environmental factors. Regulatory requirements state that the product must be kept away from heat, direct light, and moisture, with an explicit warning to not freeze the medication. The medicine should always remain in its original container and the container must be kept tightly closed to prevent degradation.

Child Safety and Disposal

For safety, all medication must be stored out of the sight and reach of children.

Disposal instructions require that unused or expired Demilos not be flushed down a toilet or placed in household trash. Instead, the product should be disposed of through a dedicated drug take-back program or an approved pharmaceutical waste disposal facility, in accordance with local regulations.

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

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