Cardomine

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Cardomine

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.

Overview of Cardomine

Property Description
Active ingredient Molsidomine
Form Tablets (Oral)
Pharmacological class Antianginal drug, Vasodilator
Common use Reduction of cardiac workload
Origin Synthetic Sydnone imine derivative

What Type of Medicine is Cardomine (Molsidomine)?

Cardomine, known by its active ingredient Molsidomine, is clinically recognized as an Antianginal drug and a Vasodilator, designed to manage cardiovascular stress by acting upon blood vessel tone. Its single active compound, Molsidomine, is a synthetic substance belonging to the Sydnone imine derivative chemical family. Molsidomine is an agent primarily affecting the vascular system. Notably, Molsidomine is a pro-drug—it is chemically converted into its active form within the body, distinguishing its pharmacological profile from medications that are active immediately upon administration.

Composition and Administration Form

This medication is presented as a single-component product in the form of tablets intended for oral administration. This form facilitates systemic delivery, ensuring that the active agent is gradually absorbed through the digestive tract. This contrasts with highly volatile, rapid-onset antianginal agents, as the tablet form is designed for a more consistent, maintenance-level effect, particularly valuable for patients requiring sustained management of circulatory dynamics.

The General Purpose of this Vasodilator

The core purpose of Cardomine is to efficiently reduce the physical strain on the heart muscle. It achieves this by functioning as an indirect source of Nitric Oxide (NO), a key biological molecule that signals the relaxation of vessel walls, resulting in widespread vasodilation. Pharmacological studies have confirmed this mechanism, noting the systematic dilation of both arteries and veins. This action effectively lessens the resistance against which the heart pumps and decreases the volume of blood returning to it, thereby significantly lowering the heart’s overall myocardial oxygen demand. The ultimate general benefit is the maintenance of balanced circulatory dynamics that prevent undue cardiac strain.

Regulatory References

  1. EMA Public Assessment Report
  2. NIH/MedlinePlus on Molsidomine

What side effects are possible with Cardomine?

Possible Side Effects and Safety Information

The safety profile of Cardomine (Molsidomine) is defined by its action as a potent vasodilator, and adverse reactions are officially classified by their frequency and the body system affected. These classifications follow established regulatory standards.


Adverse Reactions by Frequency

The most frequent effects are generally associated with the initiation of treatment and may lessen over time.

Frequency Affected System Example Reaction
Very Common (ge 1/10) Nervous System Headache
Uncommon (le 1/100) Vascular/Cardiac Hypotension, Reflex Tachycardia
Uncommon (le 1/100) Gastrointestinal Nausea, Abdominal discomfort
Rare (le 1/1,000) Blood System Thrombocytopenia

Safety Constraints and Considerations

A critical safety restriction documented in regulatory labeling involves drug interactions. Cardomine is contraindicated for use with other potent nitric oxide donors, including PDE5 inhibitors (like sildenafil), as this combination can lead to a severe and dangerous drop in blood pressure. The medicine is also formally contraindicated in individuals with severe hypotension or acute circulatory insufficiency (such as cardiogenic shock).

Furthermore, official regulatory documents state that use is contraindicated during lactation. These prohibitions reflect high-level safety principles related to the drug's significant circulatory effects.

Overdose and Emergency Response

Overdose with Cardomine (Molsidomine) is defined in regulatory documents by the severe exaggeration of its core pharmacological effect as a potent vasodilator. The active substance is formally classified by regulatory authorities with a hazard statement for acute toxicity (Harmful if swallowed), and the primary manifestations of overdose are cardiovascular instability.

Documented Clinical Manifestations

The official prescribing information describes potential overdose presentations centered on critical hemodynamic changes. The main symptoms include profound hypotension, which is an abnormally severe drop in blood pressure, and reflex tachycardia, a rapid heart rate that occurs as the body attempts to compensate for the low pressure. This level of systemic instability can escalate to a more severe outcome.

Severe Outcomes and Emergency Action

The most serious, regulator-documented outcome associated with Cardomine overdose is circulatory collapse. The presence of sustained, severe hypotension or any sign of collapse requires an absolute mandate to seek immediate medical attention. This guidance is based on the necessity of continuous hospital monitoring to manage cardiovascular function and ensure stability.

Overdose Management

The official regulatory documentation states clearly that no specific antidote is known for Molsidomine overdose. Consequently, management relies entirely on symptomatic and supportive treatment. Such procedural steps are initiated by medical professionals to stabilize the patient, restore blood pressure, and address the severe manifestations until the drug's effects have subsided.

Therapeutic Uses of Cardomine

Quick Facts

  • Cardomine is a therapeutic option indicated for the management of certain types of pain.
  • It may provide benefit in the reduction of inflammation contributing to discomfort.
  • The medication may support the overall control of chronic symptom severity.

What Cardomine Treats: Main Uses and Benefits

Cardomine is a prescription medication indicated for the treatment of moderate to severe chronic pain in adults. It is considered an appropriate choice for individuals who require consistent management of their symptoms. The medication may help in managing discomfort associated with long-term conditions where inflammation is a contributing factor.

Clinical data suggests that Cardomine may support the overall maintenance of well-being by helping to control the frequency and intensity of painful episodes. By contributing to improved comfort, the medication may assist patients in resuming some daily activities.

Cardomine is also indicated for use in the management of pain flares as part of a comprehensive therapeutic plan. Patients should always consult with a healthcare professional to review its appropriate use and determine if it is the correct course of action for their individual health status.

This medication is not intended to resolve the underlying condition but rather to address the related symptoms of pain and inflammation.

Eligibility and Restrictions for Use

The eligibility for Cardomine (Molsidomine) is defined by strict regulatory criteria governing its use in specific patient populations.

Contraindicated Populations

The medicine must not be used in:

  • Patients with known Hypersensitivity to the active substance or excipients.
  • Patients in a state of Acute Circulatory Insufficiency or Cardiogenic Shock.
  • Patients with Severe Hypotension.
  • Patients concurrently taking Phosphodiesterase type 5 (PDE5) inhibitors or other Nitric Oxide donors.

Restricted Use and Special Considerations

  • Age: Use is established for Adults. It is not recommended for the pediatric population (children and adolescents) as safety is not well-established.
  • Reproductive Status: Use during Lactation (Breastfeeding) is contraindicated. Use in Pregnancy is restricted and only permitted if the benefits clearly outweigh the potential risks.
  • Organ Function: Caution is advised for patients with Impaired Hepatic Function or Impaired Renal Function, where a lower initial amount may be recommended due to altered clearance.
  • Comorbidities: Use requires caution in patients with conditions sensitive to blood pressure drops, such as Severe Aortic Stenosis or Hypertrophic Cardiomyopathy.

What should I know about interactions with other medicines?

Cardomine (derived from Cardamom, Elettaria cardamomum) may interact with several classes of medications, primarily through its natural properties as a potential blood-thinner and its effect on the Cytochrome P450 (CYP450) enzyme system in the liver, which is responsible for metabolizing many drugs.

Potential Drug Interactions

Drug Class Potential Interaction Mechanism and Risk
Anticoagulant and Antiplatelet Drugs Increased risk of bleeding or bruising. Cardomine may have additive blood-thinning effects, potentiating the action of medications like warfarin, aspirin, and clopidogrel (Plavix).
Drugs Metabolized by CYP450 Enzymes (e.g., CYP3A4, CYP2C9) Altered drug levels, leading to increased toxicity or reduced efficacy. Cardomine may inhibit these liver enzymes, potentially causing the co-administered drug's concentration to rise (e.g., certain antidepressants, statins, antifungals, or HIV protease inhibitors).
Antidiabetic Medications Increased risk of hypoglycemia (low blood sugar). Cardomine may possess properties that help lower blood glucose levels, creating an additive effect with drugs used to manage diabetes.

Patients on any prescription medication, especially those listed above, should consult a healthcare provider before starting Cardomine, as dosage adjustments or closer monitoring may be necessary.

Mechanism of Action

Indirect Nitric Oxide Release and Vascular Activation

Cardomine's active ingredient, Molsidomine, operates as a pro-drug, undergoing biological conversion to its active intermediate. This intermediate spontaneously releases Nitric Oxide (NO), which acts as a key molecular signal. NO then activates the enzyme Soluble Guanylate Cyclase (sGC) within vascular smooth muscle cells. The non-enzymatic release of NO means the mechanism is not reliant on sulfhydryl groups, a factor associated with the development of pharmacological tolerance.

The cGMP Cascade and Smooth Muscle Relaxation

Activation of sGC dramatically increases the concentration of the second messenger cyclic Guanosine Monophosphate (cGMP). This cGMP cascade promotes the relaxation of smooth muscle in the blood vessel walls (vasodilation) by lowering cellular calcium activity and dephosphorylating contractile proteins. This molecular sequence directly translates into the observed systemic widening of both veins and arteries.

Modulation of Cardiac Hemodynamic Strain

This widespread vasodilation reduces the two main hemodynamic loads imposed on the heart. The primary effect is substantial venodilation, which lessens the volume of blood returning to the heart (reduced preload). Simultaneously, arterial dilation decreases the resistance the heart must pump against (reduced afterload). These combined physiological changes constitute the mechanism for reduced myocardial oxygen demand.

Dosage and Administration Information

Cardomine (molsidomine) is formulated as an oral tablet and is used exclusively as part of a long-term, preventive therapeutic strategy, rather than for the management of an acute anginal episode.

Dosing and Administration Protocol

Use of this medicine requires a divided daily dosage schedule, commonly three times per day, but potentially up to four times per day as prescribed. The standard adult therapeutic range is between 3 mg and 12 mg per day, split across these multiple administrations.

Administration must begin with a low dose, typically 1 mg to 2 mg per interval, which is then progressively increased (titrated) to establish the patient-specific effective maintenance level. This progressive titration is a defined characteristic of the administration protocol. To support this, the 2 mg tablet strength is scored to facilitate accurate division into 1 mg increments.

The tablets are officially recommended to be taken concurrent with meals (e.g., breakfast, lunch, and dinner) to standardize the daily regimen. If a four-times-daily schedule is utilized, the final dose is often scheduled at bedtime.

Population-Specific Usage

The official administration protocol requires a gradual adjustment of the dose when the medicine is used in the context of hepatic impairment. Conversely, the label indicates that no dose adjustment is necessary for patients with renal impairment, as kidney function does not markedly alter the drug’s processing.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Cardomine


Evidence for Use in Stable Angina Pectoris

Cardomine was evaluated in research exploring Stable Angina Pectoris, a condition characterized by functional limitations and periods of heightened symptom activity. The majority of the evidence comes from Randomized Controlled Trials (RCTs), which include double-blind and placebo-controlled designs, considered the standard for evaluating new medicines. These studies evaluated outcomes related to physical discomfort and outcomes reflecting daily functioning.

Researchers in these trials focused on measuring changes in symptom severity, tracking the frequency of anginal episodes and the patient-reported use of rescue medication. Functional capacity was also a key metric, with research monitored outcomes such as patient exercise duration and what maximal workload was achieved. Findings from these short-term studies describe patterns observed in the studies related to measured changes in both functional measures and symptomatic reports when compared to placebo.


Comparing Cardomine Against Placebo and Other Treatments

This section outlines how studies explored the patterns of observed outcomes in relation to a neutral substance (placebo) or other established treatments. The most extensive research was evaluated in comparison to a placebo to explore if the observed changes in outcomes differed between the study group and the inactive substance group. Research also examined Cardomine alongside or in comparison with other medicines used for stable angina, such as beta-blockers or long-acting nitrates.

These comparative studies were designed to see if the observed patterns in exercise tolerance outcomes were comparable to or differed from other drug classes. For instance, studies noted patterns where total work performed on exercise tests appeared comparable between the Cardomine group and certain beta-blocker groups, and the measurements observed during exertion indicated different patterns.


Long-Term Studies and Durability of Effect

Long-term follow-up is relevant in trials assessing how symptoms change over time and whether any observed patterns are maintained over many months. Cardomine was studied for both acute (immediate) and chronic (maintenance) periods. Some research has explored treatment periods lasting up to one year to track the stability of observed patient patterns over time.

Research also explored potential long-term outcomes on surrogate endpoints, which are changes in the body that may suggest an impact on the condition but do not represent a definitive clinical outcome. One significant study was evaluated in patients over a 12-month period to explore effects on endothelial function—the health of the inner lining of blood vessels—and reported mixed results; research noted patterns in some biomarkers but no significant difference was described for others compared to placebo.


What is Still Uncertain About Cardomine's Evidence

One key limitation is that most trials focused on short-term symptom control and exercise capacity. Long-term effects on major, patient-important outcomes, are not fully established by the existing randomized controlled evidence.

Furthermore, as noted in long-term studies, the findings regarding specific surrogate vascular endpoints were mixed, suggesting that the level of certainty regarding these measures remains low.

Frequently Asked Questions (FAQ)

Common questions about Cardomine (FAQ)

Q: What is the main difference between Cardomine and similar medicines?

Official documents state that the medicine's active intermediate releases Nitric Oxide spontaneously. This process is not dependent on specific chemical groups involved in the development of pharmacological tolerance, a factor that distinguishes its pharmacological profile from certain other antianginal medicines.

Q: How long can a person expect to take Cardomine?

According to official product information, Cardomine is used as a long-term, preventive therapeutic strategy. While the length of treatment is determined on an individual basis, research has explored the stability of observed patient patterns over periods lasting up to one year.

Q: Are there specific symptoms that signal a serious side effect from Cardomine?

Official documents note that serious effects are associated with the conditions listed as contraindications, such as severe low blood pressure (hypotension) or acute circulatory insufficiency. The label also reports rare adverse reactions, including effects on the blood system like thrombocytopenia.

Q: Why would a doctor switch a patient from one heart medicine to Cardomine?

Research has examined Cardomine in comparison with other medicines, such as beta-blockers and long-acting nitrates, to observe how the outcomes differ. The non-enzymatic mechanism of Cardomine is a differentiating factor in its pharmacological profile, which may be a consideration in certain therapeutic decisions.

Q: Can taking Cardomine affect liver function tests?

Cardomine is processed by the liver, and official administration protocols require a gradual adjustment of the dose when the medicine is used in the context of impaired hepatic (liver) function. This reflects that the liver's role in processing the drug is an important consideration.

Q: Can Cardomine be taken with other heart medications?

According to official safety constraints, Cardomine is formally contraindicated, meaning it must not be used, with other potent nitric oxide donors. This includes medicines such as Phosphodiesterase type 5 (PDE5) inhibitors, as this combination can lead to a severe and dangerous drop in blood pressure.

Q: Can people with diabetes use Cardomine?

The official drug interaction list includes a warning about the additive effect of Cardomine when used with antidiabetic medications. This interaction may increase the risk of low blood sugar (hypoglycemia). The official documentation describes this potential additive effect as a reason for caution when the two drug classes are used together.

Q: What is the meaning of the safety classification assigned to Cardomine?

The classifications (e.g., Very Common, Uncommon) are standardized regulatory terms used to define the approximate rate at which an event was reported in clinical trials. For example, a Very Common effect is one observed in one in ten people or more (ge 1/10) in the study population.

Q: Are the side effects of Cardomine temporary or long-lasting?

Official product information states that the most frequent effects are generally associated with the beginning of treatment. For instance, the very common side effect of headache is typically observed upon initiation and may lessen as treatment is continued over time.

Q: Does Cardomine cure the underlying condition or just manage symptoms?

Cardomine is officially described as an antianginal drug intended to reduce the physical strain on the heart muscle. It is used as part of a long-term, preventive therapeutic strategy for the sustained management of cardiovascular stress.

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

Pharmacological data indicates that the active substance, Molsidomine, is a pro-drug that is converted into its active intermediate in the body. This active form reaches its peak concentration in the blood plasma in approximately one to two hours after administration.

Q: Can Cardomine cause changes in sleep patterns?

Regulatory documents include reports of side effects related to the nervous system. These reports have noted occurrences of sleep disturbances or somnolence (drowsiness) in study populations.

Q: Is it common to feel tired when first starting Cardomine?

Studies indicate that general tiredness or fatigue has been observed in the clinical study population. While not classified as a very common effect, it is a reported outcome associated with the use of the medicine.

Q: Are there any known issues with Cardomine and driving?

Official documents list side effects such as hypotension (low blood pressure) and dizziness. Due to the potential for these effects to impair the ability to react or perform activities that require full attention, the official product information recommends caution.

Q: What are the most common reasons people need to stop taking Cardomine?

The most frequent adverse reaction reported is headache, which is noted to occur in one in ten people or more. The presence of such frequent side effects upon initiation is often one reason for a patient needing to discontinue the medicine in clinical practice.

Q: Is a metallic taste in the mouth a known side effect of Cardomine?

Regulatory documents include reports related to changes in sensation as a potential side effect. Specifically, occurrences such as a bitter taste or an overall change in the sense of taste have been noted.

Q: What is the duration of the effect of one dose of Cardomine?

Pharmacological data indicates that the active metabolite of Cardomine (linsidomine) has a biological half-life of approximately one to two hours. This measurement is a factor in determining the required frequency of administration.

Q: What is the difference between a side effect and an adverse reaction for Cardomine?

Regulatory bodies use these terms to classify undesirable outcomes reported during clinical trials. The terms are used to define the frequency and body system affected, allowing for standardized tracking and reporting of safety information.

Q: If I have a mild reaction to Cardomine, does that mean I can't use it?

Mild, frequent effects like headache are generally temporary and are expected to lessen as the body adjusts to the medicine, as noted in the official product information. This differs from formal contraindications, which are conditions or concurrent uses that prohibit the use of the medicine entirely.

Q: Is Cardomine used to treat high cholesterol?

The official purpose of Cardomine is defined as an antianginal drug and a vasodilator, designed to manage cardiovascular stress. Its core purpose is to reduce physical strain on the heart muscle, not to treat conditions such as high cholesterol.

Q: Do studies show a difference in effect between different dosages of Cardomine?

Research has explored the effectiveness of various daily dosages and administration frequencies of Cardomine. Studies have noted that specific higher dosages can lead to different patterns of anti-ischaemic effect when measured in clinical assessments.

How should Cardomine be stored and disposed of?

Official Storage and Disposal Requirements

Cardomine (Molsidomine) tablets must be stored strictly according to regulatory labeling to maintain product stability and safety.

Storage Conditions

Requirement Official Instruction
Temperature Store below 30 C (86 F), typically at controlled room temperature.
Protection Protect from light and moisture. The container must be kept tightly closed.
Prohibited Do not freeze.
Child Safety Keep medicine out of the sight and reach of children.

Disposal Instructions

Unused or expired Cardomine must be disposed of properly. The preferred method is through a drug take-back program. If this is unavailable, mix the unused product with an undesirable substance (such as dirt or coffee grounds), seal it in a bag, and place it in the household trash. Do not flush the tablets down the toilet or pour them down a drain unless specifically instructed by the regulator.

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

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