Sermion

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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 Sermion

What is Sermion? (Nicergoline Overview)

This section defines the identity and high-level classification of the drug Sermion, focusing on its composition, origin, pharmacological class, and general purpose as a vasoactive agent.

Property Description
Active ingredient Nicergoline (INN)
Form Film-coated tablets; Lyophilized powder for injection
Pharmacological class Alpha-adrenoceptor blocker; Vasodilator
General purpose Improving cerebral and peripheral circulation
Origin Semi-synthetic ergot alkaloid derivative

What Type of Medicine Is Sermion (Nicergoline)?

Sermion is a prescription-only medicinal entity whose core active compound is Nicergoline, a semi-synthetic ergot alkaloid derivative that is further modified with a nicotinic acid derivative. The drug is classified by the World Health Organization (WHO) under the Anatomical Therapeutic Chemical (ATC) code C04AE02, identifying it as a peripheral vasodilator belonging to the group of ergot derivatives. Its specific pharmacological role is that of a selective alpha-1-adrenoceptor antagonist, a type of alpha-adrenoceptor blocker. This mechanism induces vasodilation and increases arterial blood flow. This means the medicine works by promoting the widening of blood vessels to help improve overall circulation. Nicergoline, often recognized internationally under its INN, is typically prescribed for geriatric patients facing certain circulatory challenges.

Composition and Available Forms of Sermion

The active ingredient, Nicergoline, is chemically known as 10-methoxy-1,6-dimethylergoline-8eta-methanol 5-bromonicotinate. It is manufactured as a single-ingredient product available in two distinct pharmaceutical preparations to allow for varied methods of administration. The primary forms include film-coated tablets for oral consumption and a lyophilized powder for injection (and solvent), which is reconstituted to form an injectable solution intended for parenteral use. This availability in both oral and injectable forms is a differentiating factor, reflecting its use across a spectrum of cerebral circulatory disturbances.

General Purpose of This Vasoactive Agent

The fundamental purpose of Nicergoline as a vasoactive agent and neuroprotective agent is to utilize its physiological actions to improve blood supply and metabolic support. By decreasing peripheral vascular resistance, the compound enhances arterial blood flow to vital organs, including the brain. Nicergoline’s mechanism promotes metabolic activity, resulting in increased utilization of oxygen and glucose by tissues. In simple terms, the drug is intended to help the brain and peripheral tissues function better by ensuring they receive a more robust supply of essential nutrients. This overall utility is oriented toward addressing issues associated with cerebral circulatory disturbances and supporting function in the context of various vascular pathologies.

What side effects are possible with Sermion?

Possible side effects and safety information

The official regulatory documentation for nicergoline (Sermion) defines a safety profile characterized by a range of non-serious adverse effects and specific, high-level risks tied to its chemical class. As an ergot alkaloid derivative, nicergoline is associated with two severe, potentially fatal adverse reactions documented by regulatory bodies, including the European Medicines Agency (EMA).


Serious Adverse Reactions

Two critical, class-related risks are highlighted in the official safety review:

  • Fibrosis: The risk of developing excessive connective tissue, which can lead to damage in organs such as the heart (heart valve fibrosis) and the lungs (pleural thickening or effusion). This risk is associated with the duration and chronic exposure to the medication.
  • Ergotism: Symptoms of ergot poisoning, involving spasms and compromised peripheral circulation, particularly in the extremities.

Officially Listed Adverse Effects

The following effects are documented across official prescribing information, with the frequency of many classified as Incidence Unknown (based on spontaneous post-marketing reports):

System-Organ Class Examples of Officially Listed Adverse Effects
Nervous System Disorders Headache, dizziness, insomnia, sleepiness.
Gastrointestinal Disorders Nausea, abdominal pain, diarrhea, constipation.
Vascular and Cardiac Disorders Palpitations, hot flush, postural dizziness.
Skin and Subcutaneous Disorders Rash, pruritus (itching), urticaria (hives).

Safety Constraints and Special Populations

Regulatory documents stipulate limitations for use:

  • Safety Restriction: Nicergoline is officially contraindicated in individuals with incomplete hemostasis following an intracranial hemorrhage (brain bleed).
  • Lactation: Use is generally recommended to be avoided in nursing women; if treatment is necessary, breast-feeding should be suspended.

High-level safety notes indicate that nicergoline may potentially cause a decreased effect of antihypertensive agents when used concurrently.

Overdose and Emergency Response

Overdose Map: Overdose and when to Seek Help — Official Regulatory Information for Sermion

Overdose Scope

Category Official Regulatory Statement
Documented overdose presentations: Transient reduction of blood pressure (hypotension) and symptoms of ergotism (e.g., nausea, vomiting, diarrhea, abdominal pain, peripheral vasoconstriction) as a potential risk of ergot derivatives.
Physiological systems affected (as stated in label): Cardiovascular system (blood pressure, heart rate). Critical risk to blood supply to the brain and the heart.
Dose-related or exposure-related factors (if applicable): Most effects are noted with use of high doses or ingestion exceeding the prescribed limit.
Population-specific overdose notes (if applicable): No specific, differentiated instructions or outcomes for overdose in pediatric, geriatric, or organ-impaired populations are explicitly documented.
Emergency-response statements (as written in official documents): Seek immediate medical attention. For transient hypotension, the action is to lie down for a few minutes. For serious deficiency of blood supply, the procedure is to administer sympathomimetics.
When immediate medical help is required (label-derived phrasing only): Any suspicion of overdose, or the occurrence of serious deficiency of blood supply to the brain and the heart, requires urgent contact with emergency services.

Overdose Classifications (High-Level)

Category Official Regulatory Statement
Severity classification (as defined in official documents): Transient hypotension (common) vs. Serious deficiency of blood supply to the brain and the heart (exceptional, life-threatening crisis).
Regulatory basis (EMA / FDA / etc.): Official regulatory overdose guidance.
Overdose-context constraints (as defined in official documents): No specific antidote is known. Treatment is generally symptomatic and supportive.

Resulting Overdose Structure

Official overdose statements:

  • Hypotension is the primary documented clinical sign of overdose, resulting from the exaggerated pharmacological action of the drug.
  • In exceptional cases of high-dose ingestion, the overdose may result in a serious deficiency of blood supply to the brain and the heart, which is officially described as a severe scenario.
  • The procedure for transient reduction of blood pressure is simply to lie down for a few minutes, whereas the serious deficiency requires the administration of sympathomimetics under medical supervision.
  • Immediate medical attention must be sought for any suspected overdose, and the label explicitly notes that no specific antidote is known.

Connection to the overall overdose profile (2–4 sentences):

Regulatory documents define the Nicergoline overdose profile based on the severity of cardiovascular effects, ranging from a manageable, transient reduction in blood pressure to a critical, life-threatening impairment of cerebral and cardiac blood supply. The profile dictates that all overdose situations necessitate seeking immediate medical attention, emphasizing that supportive management and specific procedural actions, such as the use of sympathomimetics for the most severe cases, are the mandated interventions.

Therapeutic Uses of Sermion

Quick Facts: Sermion (Nicergoline) Uses

  • Cognitive Management: May address symptoms related to chronic mental and neurosensorial impairment.
  • Vascular Disorders: Used in the management of acute and chronic disorders of circulation, particularly those affecting the limbs.
  • Circulation Support: Can be used as an ancillary treatment for Raynaud's syndrome and other conditions related to altered peripheral circulation.

Sermion, which contains the active ingredient nicergoline, is a prescription medication indicated for the therapeutic management of several conditions. Its primary role involves addressing specific metabolic-vascular disorders affecting the brain and the peripheral extremities.

The medication may be utilized in the treatment of symptoms associated with chronic pathological cognitive and neurosensorial impairment in older individuals (excluding Alzheimer's disease and other dementias). It is also employed as a treatment option for acute and chronic disorders of circulation, such as those related to arterial blockages in the limbs and altered peripheral irrigation. This includes its use as an ancillary therapy for conditions like Raynaud's syndrome.

Sermion may support the management of certain issues presumed to be of vascular origin, including disturbances in the retina and choroid of the eye, as well as balance disorders. For comprehensive details on the authorized indications and safety profile, patients should consult the patient information leaflet or professional guidance. The duration of therapy should be determined through ongoing discussion with a healthcare provider.

Eligibility and Restrictions for Use

Who Can and Cannot Use Sermion?

This section outlines the officially documented population eligibility and non-eligibility rules for Sermion (Nicergoline) as defined by government regulatory authorities.


Contraindicated Populations

Use of Sermion is strictly prohibited in certain populations:

  • Individuals with a known Hypersensitivity to Nicergoline or any other ergot alkaloids.
  • Patients who have suffered a Recent Myocardial Infarction.
  • Patients experiencing Acute Hemorrhage, such as established intracranial bleeding.
  • Patients with marked Hypotension or Severe Bradycardia.

Age and Physiological Restrictions

Population Group Regulatory Status
Pediatric Population (Under 18) Not Recommended (Safety and efficacy data not established).
Pregnancy Not Recommended (Use restricted to cases of absolute necessity).
Lactation/Breastfeeding Not Recommended (Safety status is not established).

Conditional Use and Comorbidity

Use is restricted and requires special consideration in patients with Renal Impairment or those with a history of Hyperuricemia or Gout. Furthermore, regulatory bodies restrict its use due to the classification of Nicergoline as an ergot derivative, cautioning against use in patients predisposed to developing conditions like fibrosis.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documents define the interaction structure of Sermion (Nicergoline) based on its physiological effects and metabolic clearance. The profile establishes several constraints for co-administration with other substances.


Pharmacodynamic and Contraindicated Interactions

  • Antihypertensive Agents (including other Alpha-Blockers): Co-administration may enhance the hypotensive effect, which carries a documented risk of excessive hypotension.
  • Anticoagulant and Antiplatelet Agents: Combined use may increase the risk of bleeding or hemorrhage due to Nicergoline’s effect on platelet aggregation.
  • Beta-Blockers: Concomitant use with drugs such as Propranolol is noted for the potential risk of enhanced cardiac depressive effects.
  • Non-Steroidal Anti-Inflammatory Drugs (NSAIDs): May lead to a decrease in the antihypertensive activity of Nicergoline.

Pharmacokinetic and Population Considerations

  • CYP Enzyme Inhibitors: Agents that decrease metabolic clearance can lead to an increase in Nicergoline plasma concentrations.
  • Herbal Vasodilators: Substances such as Ginkgo biloba are noted to have additive hypotensive effects, requiring caution.
  • Hepatic or Renal Impairment: Caution is necessary in populations with impaired function, as altered clearance may increase the risk of drug accumulation.

Mechanism of Action

Nicergoline (Sermion) is defined by a multifaceted pharmacodynamic profile involving vascular tone, cellular metabolism, and neuronal signaling modulation.

Vascular Tone Modulation through alpha1-Adrenoceptor Antagonism

This domain covers the primary, acute mechanism: the selective blockade of alpha1-adrenoceptors on vascular smooth muscle. This antagonism inhibits the vasoconstrictive signals from norepinephrine, establishing the mechanistic pathway to vascular smooth muscle relaxation (vasodilation) and a reduction in peripheral vascular resistance, which alters arterial blood flow dynamics in cerebral and peripheral tissues.

Neuroprotection and Metabolic Support

This cluster addresses the drug’s complex, long-term effects on cellular function. Nicergoline and its active metabolites enhance the cellular utilization of glucose and oxygen, supporting the energy substrate availability required for neuronal signaling processes. This mechanism is complemented by a potent anti-oxidative property that reduces free radical damage, which modulates the stability of nerve cell membranes and synaptic transmission.

Modulation of Platelet Activity and Microcirculation

This domain involves Nicergoline's hemorheological mechanism: the inhibition of platelet phospholipase. By interfering with this enzyme and the associated signaling, the drug reduces the tendency of platelets to aggregate. This process alters the rheological properties of blood, influencing flow dynamics within the microvasculature.

Dosage and Administration Information

How to Use Sermion (Nicergoline)

Nicergoline, the active compound in Sermion, is used according to specific administration protocols.

Administration Routes and Forms

Administration of Nicergoline is achieved through two primary routes. It is prescribed for oral intake using film-coated tablets, which are available in various strengths (e.g., 5 mg, 10 mg, 30 mg). Alternatively, a parenteral route—specifically Intramuscular (IM) or Intravenous (IV) injection—is utilized, which requires the reconstitution of a lyophilized powder by a healthcare professional. The choice of route depends on the clinical context.


Official Dosing and Scheduling

Treatment follows standardized regimens. The usual oral daily dose for adults typically ranges from 15 mg to 30 mg, but the dose may be adjusted up to a total of 60 mg per day based on the prescribed regimen. For the 15 mg or 30 mg daily dose, the tablets are often administered in divided doses (e.g., three times per day). Higher strength tablets (e.g., 30 mg) may be prescribed for once-daily use.

Administration Context and Adjustments

Tablets are generally advised to be taken on an empty stomach or before meals to ensure optimal drug absorption. In terms of duration, Nicergoline is often administered for protracted periods, and treatment should be reviewed, sometimes after a period such as 12 weeks, to assess continued appropriateness. An adjustment is required for patients with renal impairment, necessitating a reduced dose to prevent substance accumulation. Importantly, if a dose is missed, it is specified that a double dose must not be taken to compensate.

Recent Clinical Evidence

Research evidence / Overview of studies for Sermion (Nicergoline)


Evidence for Use in Chronic Cognitive and Neurosensorial Impairment

Research has explored whether nicergoline was associated with changes in symptoms associated with long-term mental and neurosensorial impairment, particularly in older individuals. The evidence base includes Randomized Controlled Trials (RCTs) and systematic reviews that pool data from multiple trials. These studies typically involved comparing nicergoline against a placebo or another comparator.

Research examined changes in cognitive function, such as memory, attention, and verbal fluency, and behavioral symptoms. Findings describe patterns observed in the studies, reporting short-term changes measured in some cognitive domains. However, key limitations exist. Many of the pivotal clinical studies are older, which means the trial designs may not entirely align with current research standards.


Evidence for Use in Balance and Oto-vestibular Disorders

Nicergoline was evaluated in studies exploring the measured change in symptoms of balance disorders, specifically central vertigo and other issues related to functional imbalance. Studies monitored outcomes by measuring changes in patient-reported dizziness severity and conducting objective tests of postural stability. The certainty remains low due to limitations in the available data. The sample sizes in these trials were often modest, and there is limited information for long-term outcomes.


Key Limitations and Areas of Scientific Uncertainty

The research landscape for nicergoline highlights areas where certainty remains low. A significant portion of the evidence base is composed of older studies, and evidence quality varies across studies. A key uncertainty relates to the overall strength and duration of the evidence, as some regulatory reviews concluded that the evidence base was characterized by study limitations and variability. This evidence contributes to understanding symptom patterns but does not determine whether an individual will respond similarly.

Frequently Asked Questions (FAQ)

Common questions about Sermion (FAQ)

Q: How long does it typically take to see any effects from Sermion?

A: Clinical information suggests that improvement in certain symptoms is sometimes apparent after a treatment period of approximately two months. Studies have examined symptom changes at various time points, including two, six, and twelve months, and have reported patterns of change over time.


Q: What are the official approved uses for Sermion?

A: Official uses documented internationally have included acute and chronic cerebral and peripheral metabolic-vascular disorders. This may also cover specific choroid-retinal (eye-related) or oto-vestibular (ear/balance) vascular issues. Updated regulatory assessments in some regions have defined the specific conditions for which the product is intended, which typically involve blood circulation issues and associated problems with memory or sensation.


Q: Do people take Sermion for memory issues?

A: The drug has been used for the treatment of cognitive, affective, and behavioral disorders in older people, which can include symptoms like memory impairment. Scientific research has specifically examined nicergoline in relation to changes in different areas of cognitive function.


Q: Is Sermion considered a 'blood thinner'?

A: Official documents describe that Sermion works by inhibiting platelet aggregation, which is a process involved in blood clot formation. Regulatory information documents a potential interaction with other anticoagulant or antiplatelet agents due to an increased risk of bleeding.


Q: Is it common to feel dizzy when first starting Sermion?

A: Dizziness and postural dizziness (feeling lightheaded when standing up) are listed as documented adverse effects of Sermion in official safety documents. While the specific frequency upon first starting the drug is not generally specified, it is a known, documented effect.


Q: Can Sermion affect a person's sleep pattern?

A: Yes, officially listed adverse effects of Sermion include both insomnia (difficulty sleeping) and sleepiness. These are central nervous system (CNS) effects that could influence a person's overall sleep pattern.


Q: Can Sermion be taken with common pain relievers?

A: Regulatory documents state that Sermion may interact with Non-Steroidal Anti-Inflammatory Drugs (NSAIDs), which are a common type of pain reliever. This combination may lead to a decrease in Sermion's blood pressure lowering activity.


Q: Does Sermion interact with alcohol?

A: While specific, established interactions with alcohol are not widely detailed in all regulatory summaries, the drug's effect on blood pressure is a consideration. Since Sermion affects blood pressure, concurrent use of alcohol may contribute to similar effects like hypotension or dizziness.


Q: Are there foods or drinks that should be avoided when using Sermion?

A: Sermion tablets are often advised to be taken on an empty stomach or before meals for optimal drug absorption. Additionally, some regulatory information for the drug class (ergot derivatives) suggests that grapefruit or grapefruit juice may increase the substance's concentration in the body.


Q: Can Sermion be used by people with certain heart conditions?

A: Sermion is strictly prohibited in individuals with certain heart conditions, specifically a recent myocardial infarction (heart attack), marked hypotension (very low blood pressure), or severe bradycardia (very slow heart rate). The contraindications show that use is restricted in patients with certain established heart conditions.


Q: Are there specific criteria doctors use to decide who gets Sermion?

A: Prescribing decisions are based on the official approved uses and the contraindications (conditions that prohibit its use) listed in regulatory documents. These criteria focus on diagnosing a patient with an approved condition while confirming the absence of conditions like recent heart attack, acute bleeding, severe hypotension, or known hypersensitivity.


Q: Why is Sermion sometimes prescribed for eye-related issues?

A: Official regulatory summaries list choroid-retinal vascular disorders as an area of use. These are conditions related to blood flow in the eye, such as diabetic retinopathy or issues affecting the retina.


Q: Does Sermion have a potential for misuse or dependence?

A: No habit-forming tendencies or potential for misuse have been reported in the available regulatory and clinical data regarding Nicergoline, the active ingredient in Sermion.


Q: Is a prescription needed to get Sermion?

A: Yes, Sermion is officially defined as a prescription-only medicinal entity. As a prescription-only medicinal entity, it requires authorization from a qualified healthcare professional.


Q: What should be done if a dose of Sermion is missed?

A: Regulatory documents address missed doses by explicitly stating that a double dose must never be taken to compensate. Instructions for managing a missed dose are outlined in the official product information.


Q: Can Sermion cause problems with the digestive system?

A: Yes, official safety information lists Gastrointestinal Disorders as a documented category of adverse effects. These commonly reported effects may include nausea, abdominal pain, diarrhea, and constipation.


Q: Are skin reactions or rashes a known side effect of Sermion?

A: Yes, official documentation lists Skin and Subcutaneous Disorders as adverse effects. These can include a rash, pruritus (itching), and urticaria (hives).


Q: Why might a doctor suggest a break from taking Sermion?

A: Official labeling suggests that treatment should be reviewed after a specific period, such as 12 weeks, to assess its continued need and effectiveness. This review is important because a class-related risk involves fibrosis (excessive connective tissue formation) which is associated with the duration of chronic exposure.


Q: How does Sermion generally fit into the treatment of certain age-related issues?

A: Sermion is often prescribed for geriatric patients and is used as a vasoactive and neuroprotective agent. Its purpose is to improve blood supply and metabolic support to the brain and peripheral tissues, helping to support function that may be compromised in age-related circulatory and cognitive challenges.


Q: Can Sermion be taken with supplements or herbal remedies?

A: Caution is specifically advised for co-administration with herbal vasodilators, such as Ginkgo biloba, due to the potential for enhanced blood pressure lowering effects. Consulting a healthcare professional about all current medicines, including herbs and supplements, is a standard safety measure.


Q: What are the key contraindications for Sermion listed in the official documents?

A: Official contraindications prohibit Sermion use in individuals with a known hypersensitivity to the drug, a recent myocardial infarction, acute hemorrhage (like an intracranial bleed), marked hypotension, and severe bradycardia (slow heart rate).


Q: Is it possible for Sermion to worsen certain pre-existing conditions?

A: Yes, use requires special consideration in patients with conditions like renal impairment (kidney problems) or a history of hyperuricemia or gout. The drug is also used cautiously in patients predisposed to developing fibrosis, which is a known class-related risk.


Q: How is the action of Sermion described in official regulatory summaries?

A: Sermion is classified as an alpha-1-adrenoceptor antagonist and a peripheral vasodilator. Its action is generally described as improving cerebral and peripheral circulation and providing metabolic support to tissues by promoting the widening of blood vessels.


Q: Is Sermion meant for short-term or long-term use?

A: Nicergoline is often administered for protracted periods (long-term use), and treatment is subject to regular review by a healthcare professional. Due to the class-related risks of fibrosis, the duration of chronic exposure is a safety consideration discussed in official product information.


Q: Is the effect of Sermion noticeable right away or does it build up over time?

A: While the maximum effect of an individual dose may be observed within a short time after taking it, the clinical benefits are generally achieved through protracted use. Studies show that meaningful changes in symptoms are typically observed over periods of months, suggesting a cumulative effect.


Q: Are there any specific patient groups where Sermion is used with extra caution?

A: Yes, use requires extra caution and possible dose adjustment for patients with renal impairment (kidney issues) or those with a history of hyperuricemia or gout. The drug is generally not recommended for the pediatric population (under 18).


Q: Can Sermion be used by people who operate heavy machinery?

A: Because documented adverse effects include dizziness and sleepiness, due to the possibility of these central nervous system effects, official information may advise consideration of how the drug affects the ability to drive or operate machinery.


Q: Do studies suggest Sermion is useful for balance issues?

A: Research has evaluated nicergoline for balance disorders, specifically central vertigo and functional imbalance. Studies suggest some patients experienced a positive effect on symptoms like dizziness and in objective tests of postural stability.


Q: Why is Sermion sometimes mentioned in discussions about tinnitus?

A: Official regulatory summaries list oto-vestibular problems of a vascular nature as indications for the drug. Since tinnitus (ringing in the ears) can be related to vascular and inner ear issues, this connection is sometimes discussed in patient communities.


Q: Is there any research on Sermion's potential antioxidant effects?

A: Yes, regulatory and scientific overviews note that Nicergoline possesses a potent anti-oxidative property. This property is described as reducing free radical damage and modulating the stability of nerve cell membranes.


Q: What information is available regarding stopping Sermion under medical guidance?

A: Official information indicates that treatment should be reviewed after a period (e.g., 12 weeks) to assess continued appropriateness, which includes the decision to stop use. Decisions regarding discontinuing treatment are outlined in the official product information and generally involve a professional medical assessment.

How should Sermion be stored and disposed of?

Storage Conditions

Category Requirement
Temperature Store at room temperature.
Protection Protect from direct sunlight, moisture, and excessive heat.
Container Store in properly labeled containers.
Child Safety Keep out of the sight and reach of children.

Stability and Handling

Sermion tablets must be protected from heat, sparks, and flames. If the medicine is available as a powder for injection, any unused portion of the reconstituted solution must be discarded immediately and not stored for later use, reflecting a single-use stability constraint.

Disposal Instructions

Dispose of expired or unused Nicergoline/Sermion product strictly in accordance with local, regional, and national regulations. To protect the environment, care should be taken to avoid environmental release of the drug. The preferred disposal method often involves returning medicine to a pharmacy or using a community drug take-back program.

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

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