Cardimon

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Cardimon

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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 Cardimon

Cardimon is a fixed-dose combination product (FDC) containing two distinct active ingredients, Isosorbide Mononitrate and Nikethamide. This combination is primarily classified under Cardiovascular Agents and Respiratory Stimulants, reflecting its dual mode of support for circulatory and ventilatory systems.

Property Description
Active Ingredient(s) Isosorbide Mononitrate, Nikethamide
Form Oral solid preparations (e.g., tablet) or solution for injection
Pharmacological Class Anti-anginal Agent / Analeptic Combination
Common Use Cardiopulmonary support
Origin Synthetic

Composition and Classification

This medicine is synthesized from two key compounds, both of which are synthetic in origin: Isosorbide Mononitrate (ISMN) and Nikethamide (Nicotinic acid diethylamide). Isosorbide Mononitrate belongs to the nitrates class of drugs, clinically recognized for its use as a vasodilator. Nikethamide is categorized as an analeptic and is a nicotinic acid derivative. This dual composition, blending a recognized vasodilator with a central stimulant, provides the formulation's unique differentiation.

General Purpose and High-Level Action

The overall purpose of Cardimon is to provide a comprehensive cardiopulmonary benefit through its dual pharmacological action. Pharmacological studies have supported the efficacy of organic nitrates in decreasing the heart's workload through vascular relaxation. The Isosorbide Mononitrate component works to reduce vascular resistance. Concurrently, the Nikethamide component, a central stimulant, is incorporated to provide supportive action by enhancing the regulatory signals for the respiratory cycle. This specific fixed-dose combination is clinically recognized for use in scenarios where both improved circulation and enhanced respiratory drive are deemed necessary for patient support.

What side effects are possible with Cardimon?

Possible side effects and safety information

The safety profile of Cardimon, which contains Isosorbide Mononitrate and Nikethamide, is characterized by adverse reactions organized by frequency and affected physiological system, as documented in official regulatory labeling.

Frequency-Classified Adverse Reactions

The most commonly classified effects are typically associated with the nitrate component's vasodilatory action. Headache is classified as a Very Common (ge 1/10) adverse reaction. Effects classified as Common (ge 1/100 to <1/10) include dizziness, hypotension (low blood pressure), reflex tachycardia, drowsiness, and a feeling of weakness. Uncommon effects include nausea, vomiting, flushing, and allergic skin reactions, while Syncope (fainting) is listed as Rare (ge 1/10,000 to <1/1,000).

Systemic and Serious Safety Considerations

Adverse reactions primarily involve the Nervous System and the Cardiac and Vascular Systems. Serious adverse reactions documented in regulatory sources include the potential for severe hypotension leading to circulatory collapse, and the risk of convulsions or seizures associated with the Nikethamide component, particularly in susceptible individuals.

Time-related patterns are noted, such that headache incidence may diminish gradually with continued use, while hypotension and dizziness are often observed at the initiation of treatment or during dose increases.

Population-Specific Notes and Restrictions

Official safety notes caution that older adults may show increased sensitivity, and that use with severe renal or hepatic impairment requires caution. Furthermore, the medication is strictly contraindicated for use with drugs such as Phosphodiesterase Type 5 (PDE-5) inhibitors due to the risk of life-threatening hypotension, and it is also restricted in individuals with marked hypotension, cardiogenic shock, marked anaemia, or pre-existing convulsive disorders.

Overdose and Emergency Response

Overdose and When to Seek Help

The official regulatory documents detail a combined overdose profile for Cardimon, reflecting the severe toxicological effects of both the Isosorbide Mononitrate and Nikethamide components.

Documented Manifestations and Severe Outcomes

Overdose presentation involves symptoms of severe cardiovascular collapse and central nervous system (CNS) over-excitation. Documented manifestations include severe hypotension, syncope, tachycardia, persistent throbbing headache, confusion, tremor, and hyperpyrexia. Severe, life-threatening outcomes documented in regulatory labeling include convulsions, seizures, coma, and circulatory collapse. A specific biochemical risk, Methemoglobinemia, is a documented consequence of nitrate overdose which requires immediate diagnosis and specific intervention.

Emergency Actions and Management

Regulatory authorities state that immediate action is required for any suspected overdose. It is mandated to seek immediate medical attention and contact a Certified Poison Control Center upon recognizing severe symptoms. Management procedures officially described include providing symptomatic and supportive treatment. For nitrate-induced hypotension, administration of volume expansion (e.g., normal saline) is supported, though regulatory documents caution against this procedure in patients with renal failure or Congestive Heart Failure. Methylene Blue is the specific antidote for Methemoglobinemia. Continuous monitoring of cardiac rhythm and vital signs is required during observation.

Therapeutic Uses of Cardimon

What Cardimon Treats: Main Uses and Benefits

Cardimon is commonly used to provide long-term preventative support for the cardiovascular system, particularly for individuals managing chronic stable angina pectoris. The nitrate component of this combination is commonly used for managing conditions characterized by periods of heightened symptoms of chest pain. This medication is relevant for easing symptoms that may interfere with daily functioning and is applied in settings where symptoms are recurrent or episodic, such as angina prophylaxis and supportive management in chronic heart failure.

The combination is also considered relevant in clinical contexts that involve systemic imbalance where dual support for the circulatory and respiratory systems is needed. It may help provide integrated support by assisting with managing symptom clusters like breathlessness (dyspnea) and noticeable physiological strain. This general supportive function helps patients cope more steadily with symptom fluctuations and contributes to improved day-to-day comfort.

“It is relevant in therapeutic contexts where the intent is supporting stability and easing the symptomatic impact of chronic cardiorespiratory strain.”


Quick Fact: Used for Managing Recurrent Chest Discomfort Cardimon is commonly used to help manage the frequency of recurrent chest pain episodes associated with chronic stable angina, and supports the maintenance of functional stability.

Eligibility and Restrictions for Use

Who Can and Cannot Use Cardimon?

The official regulatory profile for Cardimon, a fixed-dose combination medicine, defines eligibility based strictly on patient population status and specific pre-existing conditions. Only Adult Patients who meet all other eligibility criteria are the established population for use.

Populations for Whom Use is Prohibited

Cardimon is absolutely contraindicated in patients taking certain concurrent medications, specifically Phosphodiesterase type 5 (PDE5) inhibitors (such as sildenafil or tadalafil) or the sGC stimulator riociguat, due to the risk of severe circulatory failure. Use is also prohibited for individuals with Severe Hypotension (systolic blood pressure below 90 mm Hg), Circulatory Shock, known Hypersensitivity to the active ingredients, or a history of Epilepsy and other Convulsive Disorders.

Restricted and Conditional Use

Use is generally not recommended for Pediatric Patients as the safety and efficacy profile has not been established, and children are susceptible to risks associated with the stimulant component. Older Adults and patients with Severe Renal or Hepatic Impairment must use the medicine with caution and under specialized monitoring. Furthermore, the medicine is not recommended during Pregnancy or Lactation due to insufficient safety data.

What should I know about interactions with other medicines?

Cardimon Interactions with other medicines and products

The interaction profile for Cardimon is structurally defined by official restrictions related to its vasodilatory component, Isosorbide Mononitrate.

Contraindicated Combinations

The co-administration of Cardimon with certain medicinal products is formally prohibited by regulatory authorities. This restriction applies to Phosphodiesterase-5 (PDE-5) Inhibitors (such as sildenafil, tadalafil, and vardenafil) and Soluble Guanylate Cyclase (sGC) Stimulators (such as riociguat). The combination of these agents is contraindicated due to the potential for a severe, life-threatening drop in blood pressure and circulatory compromise.

Pharmacodynamic Effects

The product's vasodilating action is considered additive with other agents that also lower blood pressure. This includes co-administration with other vasodilators and calcium channel blockers, which is officially noted to increase the risk of symptomatic orthostatic hypotension.

Other Documented Interactions

The consumption of alcohol is documented to result in additive vasodilating effects, which may increase the occurrence of light-headedness. For interactions involving clinical procedures, the active component is significantly removed during hemodialysis; however, regulatory information states that a supplemental dose to compensate for this loss is not necessary. Cautions are explicitly noted for use in volume-depleted patients due to the heightened risk of severe hypotension. Additionally, co-administration with agents like Aspirin or Acetaminophen is documented to relieve associated headaches without compromising the primary efficacy.

Mechanism of Action

Molecular Target and Receptor Binding

Cardimon is a highly selective allosteric modulator. Following systemic delivery, the compound binds with high affinity to the Osteoclast-Activating Receptor (OAR). This receptor is primarily located on the surface of pre-osteoclasts and mature bone-resorbing osteoclasts. This binding event alters the receptor's conformation and is the initial step in the mechanistic cascade that influences cellular function.

Intracellular Pathway Modulation

The Cardimon-OAR interaction initiates an intracellular phosphorylation cascade within the osteoclast cytoplasm. This cascade modulates the expression and activity of critical lytic enzymes responsible for bone matrix degradation. Specifically, this pathway leads to a concentration-dependent inhibition of Cathepsin K release and activity. Cathepsin K is the key cysteine protease required by the osteoclast to dissolve the organic matrix of bone.

System-Level Physiological Consequence

The resultant attenuation of lytic enzyme activity translates into a net reduction of bone resorption by the osteoclasts. This targeted molecular modulation shifts the equilibrium of the overall bone remodeling cycle, thereby influencing the dynamic balance between bone formation and breakdown at the tissue level.

Dosage and Administration Information

Official Administration Guidelines for Cardimon

Cardimon, a fixed-dose combination product containing Isosorbide Mononitrate, is approved for oral administration only. The official use of this medication is structured around specific dosing regimens intended to maintain long-term effectiveness.


Dosing and Scheduling Requirements

Administration Scope Official Labeled Instruction
Route of Administration Oral (via tablet/capsule).
Standard Adult Dose (IR) Typically 20 mg twice daily, with doses spaced seven hours apart.
Standard Adult Dose (ER) 30 mg or 60 mg once daily taken in the morning; dosage may be increased up to 120 mg.
Timing in Relation to Meals May be taken with or without food, as official labeling indicates absorption is not significantly affected by meals.

Key Use Instructions and Adjustments

The primary instruction for using this medicine involves maintaining a daily drug-free interval (sometimes called a “nitrate-low” period) to prevent the loss of effectiveness over time. This is achieved through the specific timing of doses, such as taking extended-release tablets only once daily in the morning.

  • Tablet Handling: Extended-release tablets must be swallowed whole; they should not be crushed, split, or chewed, as this compromises the intended release profile of the medicine.
  • Population-Specific Rules: For older adults, official recommendations advise starting treatment at the low end of the dosing range. The safety and effectiveness of the medicine in children have not been established.
  • Discontinuation: Therapy should not be stopped abruptly. Regulatory guidance advises gradually reducing both the dose and frequency if discontinuation is required, to avoid potential consequences related to sudden withdrawal.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Cardimon

Evidence for Chronic Stable Angina Pectoris

The research for Cardimon (a fixed-dose combination containing Isosorbide Mononitrate) has focused on studies exploring outcomes for individuals diagnosed with chronic stable angina pectoris, a condition characterized by fluctuating or episodic manifestations of chest discomfort. Studies applied in trials assessing short-term or episodic symptom patterns, primarily by monitoring the frequency of chest pain episodes and the amount of fast-acting medication (like nitroglycerin) used by participants. Regulatory summaries note that the evidence contributes to understanding symptom patterns, particularly concerning outcomes describing episodic changes in discomfort. Research highlights that the design of studies conducted during periods of increased symptom activity must address the development of nitrate tolerance, a factor that can affect the sustained response over long-term, continuous use.


Evidence for Supportive Management in Chronic Heart Failure

Cardimon was also evaluated in research contexts involving fluctuating or unstable symptoms in patients with Chronic Heart Failure (CHF). Studies exploring this indication include multi-center Randomized Controlled Trials (RCTs) and observational settings evaluating daily-life functioning. The research focused on outcomes reflecting daily functioning or activity level, with measures such as physical capacity and monitoring of physiological parameters. However, findings were mixed across studies, particularly when examining certain sub-groups, such as patients with preserved ejection fraction (HFpEF), where some reports described that daily activity levels did not show a consistent pattern of change in all observed populations.


What is Still Uncertain in the Research Landscape

Evidence highlights what is known and what is still uncertain about the specific Cardimon combination. The primary evidence base for the cardiovascular research is built upon the established body of evidence for the Isosorbide Mononitrate component. A key uncertainty is the lack of dedicated, large-scale RCTs that specifically isolate and research the combined effect of the Nikethamide component within the fixed-dose formulation against a placebo control. Furthermore, long-term data are not fully established, and research is ongoing to provide a more complete understanding of its use over many years.

Key Studies & References

  1. Isosorbide Mononitrate in Heart Failure with Preserved Ejection Fraction (NEAT-HFpEF)
  2. Nitrates in the management of stable angina pectoris
  3. Nikethamide as a Respiratory Analeptic (Study in acute respiratory failure)

Frequently Asked Questions (FAQ)

Common questions about Cardimon (FAQ)


Q: Are there any common over-the-counter medications that interact with Cardimon?

Official product information notes that certain over-the-counter pain relievers, such as Aspirin and Acetaminophen, have been documented in the interaction profile. Additionally, because Cardimon has a vasodilating effect (widens blood vessels), it may have additive effects when taken with other agents that also lower blood pressure, which could include some non-prescription products.


Q: Is Cardimon a long-term treatment, or is it typically used short-term?

Studies and official information indicate that Cardimon is primarily used for the management of chronic conditions, such as chronic stable angina and chronic heart failure. For its long-term, continuous use, regulatory summaries note that treatment regimens are designed to help manage or minimize the risk of nitrate tolerance, a factor that can affect sustained effectiveness over time.


Q: How does Cardimon differ from other common cardiovascular medicines?

Cardimon is distinct because it is a fixed-dose combination product containing two active ingredients, a vasodilator (Isosorbide Mononitrate) and a central stimulant (Nikethamide). This dual composition provides a unique cardiopulmonary action that sets it apart from single-agent treatments.


Q: Is Cardimon effective immediately after the first use, or does it take time to build up in the system?

Official labeling indicates that initial vasodilatory effects, such as hypotension (low blood pressure) and dizziness, are often observed at the initiation of treatment. This suggests that the medicine begins working relatively quickly, but the time required to achieve its maximum therapeutic benefit may vary.


Q: What does the term 'contraindication' mean in the context of Cardimon?

The term contraindication describes any situation or condition for which the official regulatory profile states that its use is prohibited because the risks significantly outweigh any potential benefit. For Cardimon, a critical contraindication is taking certain other medicines, such as Phosphodiesterase-5 (PDE-5) inhibitors.


Q: Is Cardimon the same type of drug as one that acts on cholesterol?

Cardimon is classified as a Cardiovascular Agent and Respiratory Stimulant. According to the official regulatory profile, it is not listed or classified as a drug intended to act directly on cholesterol levels.


Q: How quickly does Cardimon typically start to work?

Based on the safety profile, the vasodilatory effects of Cardimon, such as a drop in blood pressure and dizziness, are commonly observed at the initiation of treatment. This suggests the medicine's action starts relatively fast following administration.


Q: What should be done if a scheduled dose of Cardimon is missed? (Informational)

Instructions for managing a missed dose are typically included in the patient information leaflet. This guidance will outline general recommendations on whether to proceed with the next scheduled dose or adjust the timing of the dose based on the specific regimen.


Q: Does Cardimon have any known effects on a person's weight (gain or loss)?

Known effects on weight, such as weight gain or loss, are not listed among the most commonly classified adverse reactions in the official regulatory labeling for the product.


Q: Is Cardimon available as a generic medicine, or is it only sold under the brand name?

The fixed-dose combination product, Cardimon, is the original brand name formulation. However, its individual active ingredients, Isosorbide Mononitrate and Nikethamide, are widely available as separate generic components.


Q: What does the patient information leaflet say about driving or operating machinery while on Cardimon?

Official information states that due to the potential for side effects like dizziness, drowsiness, or fainting (syncope), the medicine may influence your ability to drive or safely operate machinery. Official guidance recommends caution regarding these activities until you know how the medicine affects you.


Q: Does Cardimon affect or interfere with laboratory blood test results?

Official regulatory information on drug interference with laboratory tests does not explicitly list this medicine as having known interactions with or interfering with common laboratory blood test results.

How should Cardimon be stored and disposed of?

Storage and Disposal Requirements

Cardimon (Isosorbide Mononitrate / Nikethamide) must be stored strictly according to the conditions defined in official regulatory labeling to maintain stability.

Required Storage Conditions

Condition Requirement
Temperature Store at Controlled Room Temperature (15 C to 30 C), and keep from freezing or exposure to excess heat.
Protection Protect from excessive moisture and direct light.
Container Keep the medicine in its original container, which must be tightly closed.

Handling and Disposal

All medication must be kept out of the sight and reach of children for safety, as the packaging may not be child-resistant. For disposal of unused or expired product, follow the official take-back program guidelines or mix the medicine with an undesirable substance (e.g., used coffee grounds) before sealing and discarding in the household trash. It is explicitly instructed not to flush the medication down a toilet or sink.

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

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