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Ilomedin-20

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Ilomedin-20

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.

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Overview of Ilomedin-20

Quick Facts Description
Active Ingredient Iloprost (INN)
Form Concentrate for Solution for Infusion
Pharmacological Class Prostanoid / Vasodilator
General Purpose Restoring healthy blood circulation
Origin Synthetic Analogue of Prostacyclin

The Core Identity of Ilomedin-20 (Definition, Class, and Composition)

Ilomedin-20 contains the active substance Iloprost (INN). The drug is classified as a potent prostanoid and is primarily defined by its dual therapeutic role as a platelet aggregation inhibitor and a powerful vasodilator. Iloprost is a chemically stabilized synthetic analogue of the naturally occurring compound prostacyclin (PGI2), and is designed to maintain a reliable and therapeutically effective duration of action in the body. This specific chemical structure provides controlled vascular effects.

Form and Administration Type (Pharmaceutical Preparation)

Ilomedin-20 is supplied as a concentrate for solution for infusion, meaning it is a liquid that is neither taken orally nor applied externally. This pharmaceutical form requires the concentrate to be diluted into an appropriate sterile solution (such as saline) before its use. It is intended for intravenous administration, which is used for conditions requiring rapid and precise systemic delivery of the active agent. Ilomedin-20 is a single active ingredient product, with Iloprost as the sole therapeutic agent, differentiating its administration from combination therapies.

General Purpose: How Does Iloprost Help?

The core general purpose of Iloprost is to restore and maintain effective blood circulation in patients facing severe vascular compromise. This is achieved through its two primary effects: widening constricted blood vessels to increase flow volume and preventing platelets from clumping together to form obstructive clots. A typical, neutral use scenario involves addressing conditions where blood flow to the extremities is severely limited. These combined actions address the challenges associated with reduced blood flow by supporting microcirculation.

Regulatory References

  1. Iloprost Concentrate for Infusion (SmPC)
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What side effects are possible with Ilomedin-20?

The safety profile of Ilomedin-20 (iloprost) is officially classified by regulatory bodies, with adverse reactions documented by their frequency and the system-organ class affected. The profile is largely defined by the drug's potent vasodilatory and antiplatelet activity.


Adverse Reaction Classifications

Adverse reactions are formally categorized based on the incidence rates observed in clinical studies:

Frequency Classification Examples of Reactions
Very Common (ge 1/10) Headache, flushing, hypotension (low blood pressure), nausea, vomiting, and local reactions at the infusion site.
Common (ge 1/100 to <1/10) Dizziness, increased sweating, diarrhoea, and pain (e.g., jaw or muscle pain).
Uncommon (ge 1/1,000 to <1/100) Tachycardia (increased heart rate), cardiac arrhythmias, and chest pain.

The official labeling groups these effects across Vascular Disorders, Nervous System Disorders, and Gastrointestinal Disorders. The most frequently encountered reactions, such as headache and hypotension, may be dose-limiting or more pronounced during the initial phase of treatment or dose escalation.


Serious Adverse Reactions and Safety Constraints

Serious adverse reactions documented in regulatory information include the potential for Serious Haemorrhagic Events due to the drug's antiplatelet function.

Safety-related restrictions define situations where the medicine should not be used. Iloprost is contraindicated in patients with a high risk of bleeding, such as those with recent haemorrhage or active peptic ulcers, and in individuals with severe cardiac conditions (e.g., recent myocardial infarction or severe arrhythmias).

Population-specific safety notes advise caution and potential adjustment for individuals with severe hepatic impairment or renal impairment requiring dialysis due to altered drug clearance. Additionally, the medicine is contraindicated during pregnancy and breast-feeding.

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Overdose and Emergency Response

Overdose and When to Seek Help

The official regulatory profile for Ilomedin-20 (Iloprost) overdose describes manifestations that are an exaggeration of the drug's intended pharmacological effects. Overexposure typically results in severe vasodilation and significant hypotension (low blood pressure).

Documented Overdose Presentations

Clinical signs of overdose documented in official labeling include pronounced flushing, severe headache, dizziness, nausea, vomiting, and diarrhea. Additionally, cardiovascular manifestations such as tachycardia (fast heart rate) and palpitations may occur, along with documented symptoms like jaw pain and blurred vision.

Required Emergency Actions

In the event of suspected overdose, immediate medical attention must be sought. Life-threatening symptoms require urgent contact with emergency services. These critical outcomes include collapse, seizure, severe trouble breathing, or the inability to be awakened (unconsciousness), as described in government guidance on emergency response.

Management and Special Considerations

Officially documented management for overexposure is limited to symptomatic and supportive treatment. The procedural intervention required is the reduction or temporary interruption of the infusion rate. No specific antidote is known.

Regulatory documents note that patients with hepatic dysfunction or renal failure requiring dialysis have reduced drug elimination. This physiological constraint places these populations at an officially recognized increased risk for overexposure, requiring cautious dose considerations upon initiation.

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Therapeutic Uses of Ilomedin-20

What Ilomedin-20 Treats: Main Uses and Benefits


The core therapeutic purpose of Ilomedin-20 (iloprost) is to provide crucial symptomatic support in conditions where blood flow may be compromised, leading to discomfort and tissue strain. Ilomedin-20 is primarily applied across domains where additional symptomatic support is needed, particularly when patients experience symptoms related to heightened physiological activity and physical discomfort. The medicine is relevant for easing symptoms in conditions characterized by periods of heightened symptoms, such as those associated with systemic or localized discomfort.


Easing Discomfort in Heightened Vascular Tension

This block is relevant in contexts marked by increased discomfort or tension. It provides support that helps ease the overall symptom burden and contributes to improved comfort during periods when symptoms create noticeable physiological strain.


Supportive Management for Episodic Symptom Patterns

The medicine may assist with managing symptoms that interfere with daily functioning, especially when symptoms are associated with acute or episodic changes or may intensify temporarily. It offers symptomatic relief that helps patients cope more steadily with symptom fluctuations.


Temporary Assistance in Stabilizing Functional Strain

Ilomedin-20 is commonly used when symptoms intensify and supportive relief is needed, such as in clinical settings that involve acute or unstable symptom patterns. It supports the patient during difficult episodes by easing distress and assists with maintaining functional stability when symptoms become momentarily overwhelming.


Quick Fact: Relevant for easing symptoms that create noticeable physiological strain.

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Eligibility and Restrictions for Use

Official Eligibility Profile for Ilomedin-20

The eligibility profile for Ilomedin-20 (Iloprost Concentrate for Infusion) is strictly governed by authoritative regulatory documentation. Use is approved for adult patients but is subject to several absolute contraindications and restrictions related to pre-existing conditions.

Absolute Contraindications (Must Not Use)

The medicine is absolutely contraindicated in patients with:

  • Severe or unstable heart conditions, including recent myocardial infarction (within six months), unstable angina, severe arrhythmias, and decompensated cardiac failure.
  • High bleeding risk, such as active peptic ulcers, trauma, or confirmed intracranial haemorrhage.
  • Recent Cerebrovascular events (e.g., TIA or stroke) within the last three months.
  • Hypersensitivity to iloprost or any excipients.

Age and Organ Function Restrictions

  • Pediatric Use: The medicine is not recommended for use in children and adolescents (under 18 years of age) because safety and efficacy have not been established in this population.
  • Organ Impairment: Patients with severe hepatic impairment (liver cirrhosis) or renal failure requiring dialysis must have a cautious, reduced dose initiated, as elimination of the medicine is impaired.
  • Hypotension: The infusion must not be initiated in patients with systolic arterial hypotension less than 85 mmHg.

Reproductive Status

Ilomedin-20 is contraindicated during both pregnancy and lactation (breastfeeding). Women of childbearing potential are required to use effective contraception throughout treatment.

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What should I know about interactions with other medicines?

The official regulatory profile for Ilomedin-20 (Iloprost) establishes specific interaction patterns based on its powerful vasodilatory and platelet-inhibiting properties.

Pharmacodynamic and Hemostatic Interactions

Co-administration with antihypertensive agents and vasodilators may result in a potentiation of effects, requiring caution due to the risk of enhanced hypotension. A second major interaction involves agents that affect hemostasis: concurrent use with anticoagulants (such as coumarin derivatives) and other platelet aggregation inhibitors (including acetylsalicylic acid and clopidogrel) carries an increased risk of haemorrhage due to the cumulative antiplatelet effect, as noted in the product labeling.

Pharmacokinetic and Procedural Constraints

Iloprost has been shown to have no effect on the pharmacokinetics or systemic exposure of co-administered medicines such as digoxin or tissue plasminogen activator (t-PA). Despite this lack of pharmacokinetic interaction, a procedural incompatibility rule exists: the concentrate solution for infusion must not be mixed with any other product in the ready-to-use solution due to documented chemical or physical instability.

Population-Specific Exposure

The regulatory documents include a note on drug disposition in specific patient populations: individuals with severe hepatic impairment or renal insufficiency requiring dialysis may exhibit increased Iloprost plasma levels. This occurs because the elimination of the product is reduced in these conditions, a factor that influences systemic exposure.

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Mechanism of Action

Ilomedin-20 (iloprost) functions as a synthetic analogue of prostacyclin ( PGI2), initiating a dual biological response through the direct agonism of the Prostacyclin Receptor (IP receptor). This action triggers an intracellular signaling cascade that significantly increases the concentration of cyclic AMP ( cAMP) and activates Protein Kinase A ( PKA), which modulates all downstream physiological effects.

Modulation of Vascular Tone and Flow Resistance

This mechanism focuses on the activation of PKA in arterial smooth muscle cells, which leads to the inactivation of Myosin Light Chain Kinase ( MLCK). By suppressing the enzyme needed for muscle contraction, this pathway induces rapid and profound vasodilation across the systemic and pulmonary arterial beds. This core physiological change lowers vascular resistance and is responsible for influencing blood flow characteristics.

Inhibition of Platelet Aggregation

The cAMP/ PKA cascade simultaneously exerts an anti-thrombotic effect within circulating platelets. PKA-mediated phosphorylation functionally inhibits the activation of the Glycoprotein IIb/IIIa receptors, the final common pathway for platelet cross-linking. This targeted pathway interference prevents clot formation and contributes to the preservation of microcirculatory patency, acting in concert with the vasodilatory response.

Mechanism Constraints and Sustained Action

The drug's mechanism is constrained by the natural susceptibility of the IP receptor to desensitization and the active molecule's rapid metabolic clearance via beta-oxidation. This functional limitation of short half-life requires continuous activation of the IP receptor pathway.

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Dosage and Administration Information

Administration Protocol

The use of Ilomedin-20, which contains the active substance Iloprost, is governed by strict, standardized protocols due to its presentation as a concentrate for solution for infusion. This medicine is administered exclusively via Intravenous (IV) Infusion and requires treatment initiation and continuous monitoring in a hospital or specialized clinic setting. Prior to administration, the concentrate must be diluted with a compatible sterile solution, such as 0.9% sodium chloride.

Dosing and Schedule

The dosing regimen is individualized and weight-based, determined by a careful titration process. The infusion is started at a low rate of 0.5 nanograms/kg/minute (0.5 ng/kg/min) for a 30-minute period. The rate is then gradually increased in 0.5 ng/kg/min increments at intervals of 30 minutes until the maximum tolerated dose is achieved, which must not exceed 2.0 ng/kg/min.

The medicine is administered once daily over a fixed period of six hours (6 h). The entire course of treatment is time-bound, typically lasting up to four weeks, though shorter courses may be prescribed depending on the indication. An electronically controlled infusion pump is mandatory to ensure the precise, weight-based delivery rate. For patients with severe hepatic or renal impairment (requiring dialysis), specifications mandate an initial dose reduction before commencing the titration protocol.

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Recent Clinical Evidence

Evidence for Severe Blood Circulation Blockages in the Limbs

Research was studied for severe, chronic circulation problems in the limbs, primarily based on clinical trials and regulatory evidence for established use in patients facing advanced-stage peripheral problems with no surgical options. Studies monitored outcomes related to physical discomfort, prevention of limb amputation, and evaluation of the healing rates for skin lesions. The data show patterns related to these outcomes, but the research primarily relies on older studies. Comparative evidence against newer surgical techniques is lacking, and there is limited information for long-term outcomes after the acute treatment period.


Evidence for Severe Pulmonary Blood Vessel High Pressure

The research base for the active substance includes Randomized Controlled Trials (RCTs) and meta-analyses, which explored the relationship with exercise capacity and functional class in adults with symptomatic Pulmonary Arterial Hypertension (PAH). Short-term RCTs reported measurements of functional outcomes, such as the 6-minute walk distance, and monitored patient shifts in disease functional class. A critical factor is that most robust evidence was developed using the inhaled formulation of the active substance, not the intravenous concentrate. Evidence concerning the intravenous route is often observed in cohorts experiencing acute functional deterioration.


Research in Specific Patient Groups and Landscape Uncertainty

Evidence was studied for acute, rare conditions, such as deep frostbite injuries, relying on at least one controlled trial supplemented by observational studies, with amputation as the key functional outcome. The total number of patients included in this specific research is modest. The studies conducted primarily focused on adult populations presenting with significant disease presentation, and results apply only to the populations studied. Data are still emerging for groups like children, and long-term effects are not fully established by controlled trials. Long-term tracking is primarily derived from observational settings, which contributes to the broader evidence landscape but leaves comparative certainty low against the full range of modern therapies.

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Frequently Asked Questions (FAQ)

Common questions about Ilomedin-20 (FAQ)

Q: Does taking Ilomedin-20 affect my ability to drive or operate machinery?

Official product information indicates that this medicine can cause a drop in blood pressure, which may result in feelings of dizziness or light-headedness. Official prescribing information notes that patients are advised not to drive or operate heavy machinery if they experience these effects.

Q: Is Ilomedin-20 known to cause tiredness or fatigue?

Official safety documents suggest that the medicine's effect of lowering blood pressure, known as hypotension, may cause feelings of dizziness or general weakness. These effects are noted in the official safety profile and may be experienced as a feeling of tiredness or fatigue.

Q: Will I need regular blood tests while on Ilomedin-20?

Regulatory guidelines describe that blood work, such as checks on blood counts and organ function, is often suggested to be performed during the treatment initiation phase. Official treatment protocols also describe the continuous monitoring of blood pressure and heart rate throughout the treatment period.

Q: Can I have a small amount of alcohol while using Ilomedin-20?

Official drug labeling does not specify a direct contraindication for consuming alcohol. However, since the medicine is designed to widen blood vessels and lower blood pressure, alcohol use may enhance common side effects, such as dizziness or light-headedness.

Q: What does 'contraindication' mean in relation to Ilomedin-20?

The term contraindication refers to a specific situation or pre-existing medical condition where the medicine is not permitted for use. Regulatory documents use this term to identify circumstances, such as high bleeding risk or severe heart disease, where the use of Ilomedin-20 is determined to be potentially harmful.

Q: What conditions is Ilomedin-20 not approved to treat?

Ilomedin-20 is only approved by regulatory bodies for use in specific, severe circulation conditions, such as advanced blockages in the limbs and certain types of high blood pressure in the lungs (pulmonary hypertension). Official documentation specifies that the drug is not indicated for use in less severe conditions or when the cause of pulmonary hypertension is due to a blocked vein.

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How should Ilomedin-20 be stored and disposed of?

Storage and Disposal Conditions for Ilomedin-20 (Iloprost Solution)

The regulatory labeling for Iloprost concentrate for solution for infusion mandates specific storage and handling requirements.

Storage Conditions

The unopened concentrate typically requires no special storage conditions, maintaining its labeled shelf-life at ambient temperatures. The ready-to-use solution for infusion must be prepared freshly each day to ensure sterility.

Item Storage Requirement
Unopened Concentrate No special storage conditions required.
Diluted Solution Use immediately, or store at 2-8 C for a maximum of 24 hours.
Child Protection Keep out of the sight and reach of children.

Handling and Disposal

The solution must not come into contact with the skin or eyes; if contact occurs, the area must be immediately washed with water or saline. All unused medicinal product or waste material must be disposed of in accordance with local requirements for pharmaceutical waste.

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

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