Nicergin

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Medically reviewed

Marina Burgos

Last updated on 10/01/2026

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 Nicergin

Property Description
Active ingredient Nicergoline (INN)
Forms Tablets, Solution for Injection
Pharmacological class Alpha-adrenoceptor Antagonist, Vasodilator
General Purpose Enhancing Cerebral and Peripheral Blood Flow
Origin Semi-Synthetic Ergot Alkaloid Derivative

What Type of Medicine is Nicergin? (Identity and Classification)

Nicergin is the pharmaceutical name for the medicine containing the active substance Nicergoline, a semi-synthetic compound officially classified as an alpha-adrenoceptor antagonist with distinct vasodilator properties. This classification means it works by blocking specific receptors that cause blood vessels to constrict. Nicergoline belongs to the family of Ergot alkaloid derivatives, signifying that it is chemically modified from naturally sourced precursors to maximize its therapeutic actions, particularly its cerebroactive effects. Its primary role is as a vasodilator with specific relevance to cerebrovascular disorders. This medicine functions to ease circulatory challenges, a general benefit that is recognized for supporting elderly patients facing reduced cerebral circulation.


Nicergoline: Composition and Available Forms

The composition of Nicergin is based on a single active substance product containing only Nicergoline alongside standard pharmaceutical excipients. The medicine is supplied in several common dosage forms, including tablets for the oral route of administration, and a solution for injection or lyophilized powder for the parenteral route. This dual availability ensures flexibility, allowing the compound to be delivered either consistently or rapidly via injection. Nicergoline facilitates a reduction in peripheral vascular resistance, which helps reduce tension in certain blood vessels and supports overall circulatory health.


What is Nicergin's General Purpose? (High-Level Function)

The primary purpose of Nicergin is to promote enhanced blood flow and improve cellular metabolism by inducing vascular opening. This mechanism involves Nicergoline selectively blocking alpha-1 receptors on the walls of blood vessels, causing them to relax and widen. The resulting effect is a consistent increase in both cerebral blood flow and peripheral circulation. This action is intended to support the functional capacity of tissues that rely heavily on a stable and adequate supply of oxygen and glucose, addressing deficiencies in local blood supply. A typical use scenario involves supporting the microcirculation in patients experiencing reduced blood supply to the inner ear, which can be a consequence of vascular insufficiency.

What side effects are possible with Nicergin?

Possible Side Effects and Safety Information

Official regulatory documentation structures the safety profile of Nicergin (Nicergoline) based on system-organ classes and potential serious risks.

Adverse reactions are primarily associated with the drug's properties as a vasodilator, most commonly involving the gastrointestinal and nervous systems.

Common Adverse Reactions

The adverse reactions most frequently noted in regulatory documents include dizziness or postural dizziness (due to blood pressure changes), headache, nausea, gastric upset, and hot flushes.

Serious Adverse Reactions and Class Risk

As Nicergoline is a semi-synthetic ergot alkaloid derivative, official regulatory bodies have noted the potential for fibrotic reactions (such as heart valve fibrosis) as a serious class-related risk, which is particularly associated with long-term exposure to the medicine. The drug is also contraindicated in patients with a history of recent hemorrhage, like intracranial bleeding, or those with acute myocardial infarction or severe cardiac arrhythmias, as stated in the product's official safety restrictions.

Population-Specific Safety Considerations

Regulatory caution is advised for patients with renal (kidney) impairment or hepatic (liver) impairment, as these conditions may affect the body's ability to metabolize and eliminate the drug. Use is generally not recommended for children and adolescents, as safety and effectiveness in this population have not been established in clinical trials.

Overdose and Emergency Response

Overdose and When to Seek Help

Official regulatory information regarding Nicergin (Nicergoline) overdose emphasizes that the presentation of an overdose is expected to be similar to the known adverse effects of the medicine. Due to this similarity to the general safety profile, the primary focus of the official guidance is on immediate patient management and referral.


Documented Overdose Profile

The most commonly expected clinical manifestations in the event of an overdose are related to the physiological effects documented in the general safety data, which include effects on the cardiovascular and central nervous systems. High dosages have been specifically associated with symptoms such as bradycardia, hypotension, and agitation.

Overdose Presentation Regulatory-Based Expectation
Symptoms Similar to known adverse effects of the drug.
Systems Affected Primarily cardiovascular and central nervous systems.

Emergency Actions

The official guidance mandates that immediate medical attention must be sought if an overdose is suspected or has occurred. The required emergency response instructions for caregivers and patients are:

  • Seek medical attention immediately in case of ingestion.
  • Do not induce vomiting unless specifically directed by medical personnel.
  • Never give anything by mouth to an unconscious person.

This immediate action is required regardless of whether symptoms have fully manifested, due to the need for professional management and monitoring in a healthcare setting.

Therapeutic Uses of Nicergin

What Nicergin Treats: Main Uses and Benefits

Nicergin (Nicergoline) is used for managing symptomatic relief and supportive therapeutic benefit across several domains linked to compromised circulation, and may assist with maintaining functional stability and comfort in chronic conditions. The medicine is considered relevant for certain vascular and age-associated disorders, including cognitive deficits, neuro-sensory problems, and chronic peripheral disorders.

The medication is commonly used to help with managing symptom clusters of vascular dementia, cerebral arteriosclerosis, Raynaud’s disease, and balance issues like dizziness and tinnitus when associated with vascular compromise. It is applied in addressing conditions presenting with systemic or localized discomfort and is used in scenarios where additional management of discomfort is required.

Supporting cognitive function contributes to easing the overall symptom load of chronic deficits, and assists with maintaining functional stability in neuro-sensory issues. Nicergin may assist with general well-being during symptomatic phases by contributing to easing discomfort linked to poor circulation in the brain, inner ear, and limbs.

Quick Fact: Support for Vascular-Related Symptoms
Nicergin may assist with general well-being during symptomatic phases by contributing to easing discomfort linked to poor circulation in the brain, inner ear, and limbs.

Eligibility and Restrictions for Use

Nicergin use is established in adults and older adults for authorized therapeutic conditions. However, the medicine is generally not recommended for children and adolescents, as safety and efficacy data have not been established in these younger age groups.

Use of Nicergin is contraindicated in patients with a known allergy to the active substance or other ergot alkaloid derivatives. It must not be used in patients with a history of acute bleeding, a recent myocardial infarction, or severe bradycardia. Some regulatory documents also contraindicate use in patients with Porphyria.

For patients with impaired renal function, use requires caution, and a dose adjustment may be necessary, given the drug’s elimination pathway. Use also requires caution in patients with pre-existing hypotension (low blood pressure). The medicine is generally not recommended during pregnancy or lactation and should only be considered if strictly essential. Furthermore, official European regulatory documents have restricted the use of Nicergoline for certain peripheral circulation problems and specific types of cognitive and neurosensorial impairment.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documentation for Nicergin (Nicergoline) outlines several critical interaction categories based on pharmacodynamic synergy and metabolic pathways. These guidelines require caution and, in some cases, avoidance of concurrent use with specific medications.


Pharmacodynamic Interactions

Interacting Category Mechanism and Risk Statement
Antihypertensive Agents Concomitant use with other antihypertensive drugs (including alpha-blockers and vasodilators) may lead to an additive hypotensive effect, increasing the risk of excessive blood pressure reduction.
Anticoagulants/Antiplatelets Nicergolin's documented antiplatelet properties, when combined with anticoagulants (e.g., Warfarin) or antiplatelet agents (e.g., Aspirin), increase the overall risk of bleeding.

Pharmacokinetic and Metabolic Interactions

Nicergin is significantly metabolized by Cytochrome P450 2D6 (CYP2D6). Co-administration with known potent CYP2D6 inhibitors (such as Amiodarone, Fluoxetine, or Paroxetine) can inhibit Nicergin's metabolism, potentially increasing its plasma concentration and the risk of adverse effects.


Other Interaction Considerations

Regulatory information advises caution regarding alcohol consumption due to the potential for additive vasodilatory effects. Furthermore, interaction risks are of particular concern in the elderly patient population due to higher rates of polypharmacy.

Mechanism of Action

How Nicergin Works: Mechanism of Action

Modulating Vascular Tone and Perfusion

Nicergoline fundamentally works by acting as a selective antagonist at the alpha1-adrenoceptors on the walls of blood vessels. By blocking these receptors, the molecule prevents the effects of vasoconstrictive catecholamines, directly leading to the relaxation of vascular smooth muscle and a consequential decrease in vascular resistance. This mechanism results in an increase in arterial blood flow and perfusion, especially in the microcirculation of the brain and periphery.

Modulation of Cellular Metabolism and Anti-apoptotic Pathways

Beyond its vascular actions, Nicergoline modulates central processes by modulating cerebral metabolic activity and is linked to the maintenance of neuronal integrity. The drug facilitates the increased uptake and utilization of essential nutrients like oxygen and glucose by brain tissue. Concurrently, it acts as an antioxidant reducing oxidative stress and modulates signaling pathways to reduce neuronal apoptosis, which modulates cellular survival and function.

Influencing Hemostasis and Blood Fluidity

A tertiary mechanistic domain involves modulation of rheological properties. Nicergoline acts to inhibit platelet aggregation by interfering with key factors like platelet phospholipase, which contributes to its antithrombotic activity in the microvasculature. This action affects the fluidity of the blood, and complements the primary vasodilatory effect, influencing the resulting circulatory dynamics.

Dosage and Administration Information

How Nicergin is Used: Official Administration Guidelines

This section outlines the standardized usage instructions for Nicergin (Nicergoline), covering the approved routes, official dosing rules, and administration conditions. This information focuses strictly on how the medicine is used, not why.

Approved Routes and Forms

Nicergin is approved for administration via the oral route as tablets or capsules, and the parenteral route (injection) for use in a clinical setting.

Route of Administration Standard Dosing Range
Oral (Tablets) 30 mg to 60 mg total daily dose in divided doses, or 10 mg 3 times a day (tid).
Parenteral (IM/IV/IA) Typically 2 mg to 8 mg per dose, administered by a healthcare professional.

Administration Conditions and Schedule

The standard oral dosage is typically divided into two or three daily doses. Patients are instructed not to double the dose if one is missed. For oral intake, specific formulations may advise taking the medicine with food or on an empty stomach; tablets should be swallowed whole.

Duration of Use: Treatment is often considered long-term. A minimum duration of 3 months is sometimes specified, and standard guidance suggests discontinuation if no response is observed after 12 weeks.

Population-Specific Rules

Standard prescribing information provides high-level rules for specific groups:

  • Older Adults (over 65 years): Generally, no dose adjustment is required based on age alone.
  • Renal Impairment: Lower doses are recommended for use in patients with compromised kidney function, as the medicine is primarily eliminated through this route.

Recent Clinical Evidence

Research evidence / Overview of studies for Nicergin

This overview summarizes the available research concerning Nicergoline's clinical evaluation, focusing on the types of studies conducted, the outcomes they measured, and areas where the evidence remains limited or inconclusive, consistent with official scientific and regulatory perspectives.


Evidence for use in Cognitive and Behavioral Impairment

Research has explored Nicergoline in populations of older adults facing mild to moderate cognitive changes, including those linked to vascular conditions and chronic cerebrovascular disorders. Studies exploring this area mostly take the form of Randomized Controlled Trials (RCTs), where people were assigned by chance to receive either Nicergoline or an inactive control substance (placebo). These trials have been further evaluated in systematic reviews and meta-analyses that aggregate data from multiple reports.

Investigators in these studies used in research exploring how symptoms change over time by monitoring various patient outcomes. These included standardized Cognitive Function Scales to measure changes in memory and orientation, Behavioral Disturbance Scales to track symptoms like apathy, and Clinical Global Impression scales to assess overall patient status. Meta-analyses of these trials contribute to the broader evidence landscape by summarizing patterns observed in the studies across these key functional and behavioral domains.

What remains uncertain is that a significant portion of this research was conducted long ago and may not align with the modern standards used for diagnosing and evaluating cognitive impairment today. While findings indicate some patterns in global assessments, results related to highly specific cognitive scales were observed in some studies to be less consistent. Additionally, there is limited information for long-term outcomes beyond twelve months, meaning extended durability of response is not fully established.


Evidence for use in Neuro-Sensory and Balance Disorders

Studies have explored Nicergoline in populations where outcomes related to systemic or functional imbalance were studied for symptoms such as dizziness, vertigo, and tinnitus. The evidence base includes Randomized Controlled Trials and clinical reviews applied in studies examining patient-reported experiences of these symptoms.

In these trials, researchers monitored outcomes using patient-reported tools like the Dizziness Assessment Rating Scale and the Dizziness Handicap Inventory, which assess how symptoms affect outcomes reflecting daily functioning or activity level. Studies report how symptoms evolved in the observed populations over defined time intervals, often lasting several months. The evidence base data show patterns related to having a low to moderate level of consistency when viewed broadly.

The main limitation for these uses is the position taken by authoritative regulatory bodies in some regions. A review of all ergot derivative medicines, including Nicergoline, concluded that the evidence is limited for these specific indications, and authoritative bodies determined that the evidence quality was insufficient for authorization. Consequently, the certainty remains low, and the regulatory status of Nicergoline for these particular neuro-sensory issues was observed in some studies to be restricted or no longer supported.


Review of Data for Peripheral Circulation Disorders

Nicergoline was evaluated in research exploring chronic peripheral metabolic-vascular disorders, such as Raynaud’s syndrome and peripheral artery disease (PAOD), which are conditions characterized by functional limitations in blood flow to the limbs. Historically, research explored outcomes related to physical discomfort and the measurement of blood flow and vascular resistance.

However, the regulatory review of this class of compounds contributes to the broader evidence landscape by characterizing the data available for these specific peripheral circulation indications as limited and heterogeneous. Findings from older trials have been scrutinized.

The key limitations in this area are significant: authoritative regulatory assessments have determined that the evidence quality varies across studies, and the overall measured outcomes may not be observed when considering the use of ergot-derived compounds for these non-dementia circulation problems. The overall evidence level for this indication is described as low, which research describes as reflecting insufficient data leading to regulatory restrictions.


Long-term Follow-up and Duration of Study

The available research provides context but not individual predictions regarding the duration of observed effects. For the primary cognitive indications, many trials assessed outcomes after six months, and some extended follow-up to twelve months. This duration was observed in some studies to be sufficient to capture changes in standardized cognitive and behavioral scales.

Research examined temporary physiological imbalance, but long-term outcomes are not well characterized beyond one year. The follow-up durations were limited in many of the older studies. Therefore, there is limited information for long-term outcomes, and extended stability or durability of response for several years is not fully established in the aggregated evidence.


Evidence in Study Populations and Subgroups

Nicergoline was evaluated in specific patient groups, primarily older adults (typically 65 years and older) who had been diagnosed with mild to moderate dementia of vascular or mixed etiology. Findings describe group patterns, not personal outcomes, for these defined groups.

Data for certain groups remain insufficient. For instance, evidence is limited for use in younger adults or in highly severe stages of cognitive decline. Similarly, subgroup findings are uncertain for individuals with specific, complex comorbidity-defined groups beyond the core studied populations. Comparative evidence is lacking for how Nicergoline research compares structurally to trials of newer standard pharmacological therapies.


Research Gaps and Areas of Uncertainty

The overall evidence landscape for Nicergoline highlights what is known—and what is still uncertain. Major gaps include the need for research that adheres to modern trial standards, as many existing trials are decades old. Comparative evidence is lacking against contemporary treatments for cognitive impairment.

Furthermore, a significant area of uncertainty is related to the evidence research examined for neuro-sensory and peripheral vascular disorders. Official regulatory assessments have concluded that the certainty remains low for the efficacy of Nicergoline in these specific areas. This reflects an unfavorable balance between the limited evidence quality varies across studies and the official conclusion that the evidence was insufficient for continued authorization of those indications.

Frequently Asked Questions (FAQ)

Common questions about Nicergin (FAQ)


Q: Why is Nicergin used for so many different medical purposes?

Official regulatory documents describe Nicergin’s action as having a broad spectrum of effects. Its mechanisms include enhancing blood flow by relaxing blood vessels, influencing blood fluidity by inhibiting platelet aggregation, and promoting better utilization of nutrients by brain cells. These actions are understood to support its authorized use in conditions related to circulation and cellular metabolism.


Q: What are the most common reasons a doctor would prescribe Nicergin?

Nicergine is indicated in various regions primarily for the symptomatic treatment of chronic cognitive and neurosensorial impairment in older adults. It is also authorized in some areas for managing certain acute and chronic disorders related to poor peripheral blood flow in the limbs. These uses are consistent with its established function as a vasodilator and its effects on cerebral function.


Q: Is Nicergin safe for use in older adults (geriatric patients)?

Official prescribing information generally indicates that no dose adjustment is required for older adults based on age alone. However, due to higher rates of taking multiple medicines (polypharmacy), official guidance emphasizes the importance of periodic re-evaluation by a healthcare professional.


Q: Can women who are pregnant or breastfeeding use Nicergin?

Official guidance indicates that the use of this medicine during pregnancy or lactation (breastfeeding) is generally not recommended. Use should only occur if deemed strictly essential by a healthcare professional, as safety in these groups has not been conclusively established.


Q: What happens if I accidentally miss a dose of Nicergin?

Regulatory guidance advises taking the missed dose as soon as it is remembered, unless it is almost time for the next scheduled dose. If the next dose is due soon, the official guidance states the missed dose should not be taken. Patients must never take a double dose to make up for one that was missed.


Q: What is the shelf life of Nicergin tablets, and how should they be stored?

The specific shelf life is determined by the manufacturer and is printed directly on the product packaging. The official storage guidance requires that the product be kept in its original container, stored in a cool, dry, and well-ventilated place, protected from heat and direct light.


Q: Is Nicergin suitable for people with pre-existing kidney or liver conditions?

Official safety information advises caution for individuals with pre-existing kidney or liver conditions. Regulatory documents recommend adjusting the dosage to a lower level for patients with impaired kidney function, as this organ is the primary route for the body to eliminate the medicine.


Q: If I am scheduled for surgery, should I stop taking Nicergin beforehand?

Due to Nicergin's antiplatelet properties, regulatory information advises caution when used with other antiplatelet or anticoagulant agents, which could increase the risk of bleeding. The need to temporarily stop taking Nicergin before surgery is determined by a patient's medical team, who considers the medicine's antiplatelet activity.


Q: Can Nicergin be crushed, chewed, or opened if I have trouble swallowing pills?

The official administration guidance states that the tablets should be swallowed whole. Altering the tablet form is not covered or recommended in official prescribing information, as this may affect the intended absorption of the medicine.


Q: How does official prescribing information describe the chance of a serious interaction?

Official information explicitly contraindicates Nicergin for use in patients with certain severe pre-existing cardiovascular conditions, such as recent hemorrhage. Furthermore, regulatory documents state that combining Nicergin with other medicines that lower blood pressure may lead to an additive hypotensive effect, which is classified as a significant risk.


Q: What should I do if a specific side effect listed in the leaflet appears?

Regulatory documents direct patients to contact a doctor or seek medical attention if any new or worsening side effects appear. In the event of a suspected overdose, the official guidance is to seek emergency medical treatment.


Q: Is Nicergin a brand name, and what is its generic name?

Nicergin is a brand name used for the medicine. The single active substance contained within it is Nicergoline, which is the generic, non-proprietary name for the pharmaceutical compound.


Q: What evidence or studies support the use of Nicergin for the listed conditions?

Regulatory overviews acknowledge that randomized controlled trials and aggregated studies (meta-analyses) have been conducted for Nicergin. These studies report positive patterns in the outcomes related to global assessments of cognition and behavior in specific populations of older adults.


Q: How is Nicergin different from a standard high blood pressure medicine?

While Nicergin may cause a reduction in blood pressure, its primary classification is as an alpha-adrenoceptor antagonist used to enhance blood flow and affect cellular metabolism. This is a broader purpose than that of standard high blood pressure medicines, which are primarily aimed at managing systemic hypertension.


Q: Why is my doctor prescribing Nicergin when I do not have high blood pressure?

Nicergine is indicated for treating conditions related to reduced cerebral and peripheral blood flow and altered cellular metabolism, not exclusively for hypertension. The blood pressure reduction is often considered a secondary pharmacological effect of its main action as a vasodilator.


Q: Why is Nicergin sometimes prescribed 'off-label' in other countries (informational context only)?

While regulatory bodies in some regions have restricted or withdrawn authorization for specific indications, such as certain neuro-sensory and peripheral vascular disorders, the historical context and non-official medical literature note its use in those areas globally. This reflects how the medicine's use has evolved over time in different countries.


Q: Can Nicergin affect sleep patterns or cause insomnia?

Official safety documents list 'sleep disturbances,' 'insomnia,' or 'agitation' as potential adverse reactions associated with the use of Nicergin. If sleep is affected, official guidance recommends this be discussed with a healthcare professional.


Q: Can Nicergin be taken with common cold and flu medications?

Nicergine belongs to a class of medicines called alpha-adrenoceptor antagonists. Official information advises caution when using Nicergin with other alpha- or beta-receptor blockers and antihypertensive agents, which may be components of certain cold and flu medications. This combination may lead to an additive hypotensive effect.


Q: Is Nicergin available in different strengths, and why is that important?

Nicergin is generally available in different tablet strengths, such as 5mg, 10mg, and 30mg. This is important because it allows a healthcare professional to prescribe a total daily dosage that falls within the approved treatment range while being tailored to the individual's specific condition and physiological response.


Q: How do official sources describe the expected duration of treatment with Nicergin?

Official guidance often recommends that Nicergin be taken for a long period of time, as improvement in symptoms is usually observed only after approximately four to six weeks of regular use. Treatment continuation is subject to periodic re-evaluation by a healthcare professional, often recommended at least once every six months.


How should Nicergin be stored and disposed of?

How to Store and Dispose of Nicergoline

The official storage and handling guidelines for Nicergoline focus on protecting the substance from environmental factors to maintain its stability and ensuring safe disposal.

Official Storage Requirements

Storage Category Requirement
Temperature & Light Store in a cool, dry, and well-ventilated location, protected from heat and light.
Packaging Keep the container tightly closed to prevent environmental exposure.
Handling Avoid generating or accumulating dust. Do not consume or smoke when handling the product.

Disposal Instructions

Unused or expired Nicergoline product must be disposed of as controlled waste. It must not be thrown in household trash or flushed down toilets or drains due to the risk of environmental contamination. Disposal is typically required to be through an approved waste disposal plant in accordance with local, national, and international environmental regulations.

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

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