Нобазит

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Нобазит

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Treatment option: Influenza

Medically reviewed

Marina Burgos

Last updated on 22/12/2025

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Нобазит

What is Нобазит? The Essential Antiviral Overview

Property Description
Active ingredient Enisamium Iodide (INN)
Form Tablet, Capsule, Syrup
Pharmacological class Direct-Acting Antiviral Agent
Common purpose Systemic support against acute viral respiratory infections
Origin Synthetic Compound (Pyridinium derivative)

Нобазит is a pharmaceutical preparation defined by its sole active ingredient, Enisamium Iodide. The medicine is officially classified as an Other Antiviral under the J05AX17 code within the WHO Anatomical Therapeutic Chemical (ATC) system, indicating its specialized function for systemic treatment. The compound's mechanism involves countering the replication of respiratory viruses.

The core purpose of Нобазит is not merely symptom relief but a targeted intervention designed to act directly against the infectious agent itself. Enisamium Iodide is specifically designed for systemic use, meaning it is administered to be absorbed into the bloodstream, a key differentiator from topical or localized treatments.

The active compound itself is a synthetic substance, chemically identified as a Pyridinium compound derived from isonicotinic acid. It is supplied as a single-active-ingredient product and is available for oral administration in multiple high-level dosage forms, typically including a solid tablet and a capsule, and sometimes a liquid syrup formulation. These varying forms allow for a flexible vehicle choice suitable for a broad patient group experiencing a typical viral respiratory illness. The drug functions primarily as an RNA Polymerase Inhibitor, blocking a key enzyme viruses require for reproduction, which works to relieve the overall burden and intensity of a viral illness.

What side effects are possible with Нобазит?

Possible side effects and safety information

This section describes the safety characteristics and adverse reactions of Enisamium Iodide (Нобазит) as officially documented in regulatory labeling from government health authorities. The information is structured according to established System-Organ Classes (SOCs) and frequency categories.


Officially Classified Adverse Reactions

The adverse reactions documented in the regulatory profile primarily involve the gastrointestinal system and immune response. These effects are classified by frequency as determined by official prescribing information:

System-Organ Class (SOC) Frequency Category Specific Adverse Reactions
Gastrointestinal Disorders Common Nausea, Vomiting, Bitter taste in the mouth, Heaviness or discomfort in the upper right abdomen
Not Known Dry mouth
Immune System/Skin Common Allergic reactions, such as rash or pruritus (itching)
Rare Urticaria (Hives), Angioedema

Angioedema is classified as a rare, serious hypersensitivity reaction documented in the regulatory safety profile.


Safety Constraints and Restrictions

Official labeling defines specific high-level limitations for use. Enisamium Iodide is contraindicated in individuals with known hypersensitivity to the active substance or excipients, and in patients with severe hepatic failure or severe renal failure.

Due to the medicine's structure as an iodide salt, it is also contraindicated in individuals with conditions associated with Iodine Metabolism Disorders, such as hyperthyroidism or thyroid adenoma. The use of Enisamium Iodide is generally not recommended for pregnant or breastfeeding women, and the tablet form may be restricted for use in children under 12 years.

Overdose and Emergency Response

Overdose and When to Seek Help

The official regulatory documents define the overdose profile for Нобазит (Enisamium Iodide) based on the intensification of all known adverse reactions. The clinical manifestations of an overdose mirror the product's documented side effects, typically presenting with greater severity or frequency across several body systems.

Documented Manifestations and Outcomes Overdose symptoms include severe gastrointestinal disturbances, such as nausea, vomiting, abdominal pain, and diarrhea. The regulatory text highlights the risk of intensified hypersensitivity reactions, including skin rash, urticaria, and the potential for the serious reaction of angioedema. Systemic effects that may be exacerbated include headache, dizziness, and documented fluctuations in blood pressure.


Mandatory Emergency Actions If an overdose is suspected, immediate medical attention must be sought. The official regulatory management protocol dictates specific procedural and supportive measures required for management:

  • A necessary initial intervention is gastric lavage (stomach washing).
  • Subsequent care requires the administration of symptomatic treatment.
  • It is officially documented that no specific antidote is known for Enisamium Iodide overdose. This reinforces the necessity of professional medical consultation to implement the required supportive care.

Overdose Profile Summary The regulatory profile mandates seeking professional help immediately to manage the intensified physical symptoms and implement the required procedural and supportive steps, as symptomatic treatment remains the documented therapeutic strategy in the absence of a known antidote.

Therapeutic Uses of Нобазит

What Нобазит Treats: Main Uses and Benefits

Нобазит is centered on providing support during the acute phases of seasonal viral illnesses. It is commonly used to help with symptoms related to heightened physiological activity and is used for managing symptoms that interfere with daily comfort and create noticeable physiological strain. Its use may assist with easing the overall symptom load in patients.

The medicine may be part of symptomatic management in conditions presenting with acute episodes, including Acute Respiratory Viral Infections (ARVI) and Influenza A and Influenza B virus types. It is also considered relevant for moderate-severity COVID-19 in complex regimens. The support provided contributes to easing the overall symptom load in these situations.

“This agent may be applied in clinical settings that involve acute symptom patterns, assisting with patients coping more steadily with difficult episodes.”

Нобазит assists with maintaining functional stability by helping to manage the widespread discomfort and signs of systemic imbalance. This symptom domain includes high fever, chills, profound general weakness, and acute aches like headache and muscle/joint pain. It is relevant for a preventive capacity (prophylaxis) during periods of heightened risk for influenza or ARVI outbreaks in relevant patient groups, including adults and pediatric patients.


Quick Fact: Relief for Systemic Discomfort This medicine may assist with improving day-to-day comfort, providing supportive relief when symptoms interfere with routine activities associated with systemic discomfort.

Eligibility and Restrictions for Use

The eligibility for using Нобазит (Enisamium Iodide) is strictly defined by regulatory documents, focusing on absolute contraindications and population restrictions.

Eligibility Scope

Category Official Regulatory Statement
Populations for whom use is allowed Adults aged 18 to 60 years (based on formal study exclusion criteria).
Populations for whom use is not recommended Older adults (over 60 years) (often excluded from key regulatory studies).
Populations for whom use is contraindicated Children under 18 years; Pregnant women; Breastfeeding women; Patients with severe organic lesions of the liver or kidneys.
Age-related eligibility rules Use is contraindicated in individuals under 18 years and over 60 years.
Condition-specific eligibility rules Severe organic lesions of the liver and severe organic lesions of the kidneys are absolute contraindications.
Pregnancy and lactation eligibility status Use is contraindicated in pregnancy and during breastfeeding.
Eligibility-related restrictions Use requires caution in patients with diseases of the thyroid gland or non-severe functional disorders of the liver, kidney, or digestive tract.

Eligibility Classifications

Classification Official Regulatory Statement
Eligibility severity classification Contraindicated (absolute prohibition); Excluded/Not Recommended (conditional use or lack of established data).
Regulatory basis National Regulatory Authorities; Official Clinical Study Criteria.
Eligibility-context constraints Constraints are tied to hypersensitivity to the drug or iodine-containing substances, age, reproductive status, and pre-existing severe organ damage.

The official regulatory documents define the eligible population as adults (aged 18 to 60) who do not possess pre-existing conditions that affect the drug's safety or metabolic profile. Eligibility is primarily structured around a series of absolute prohibitions (contraindications) related to severe organ function, hypersensitivity, and reproductive status to ensure safe use.

What should I know about interactions with other medicines?

The official regulatory documents for Нобазит (Enisamium Iodide) define its interaction profile through documented instances of reinforcing effects and advisable co-administration. The regulatory assessment explicitly notes that comprehensive interaction data with other medicinal products has not been sufficiently studied.


Documented Interaction Patterns

The interaction patterns are categorized by the official regulatory label based on the resulting effect on the co-administered agent or the necessity of co-use. The documentation does not specify pharmacokinetic mechanisms, such as those related to CYP enzymes or transport proteins, and no mandatory timing separation rules are detailed.

Substance Category Officially Documented Interaction
Antibacterial Agents Co-administration is documented to enhance the action of the antibacterial agent.
Immunomodulating Agents Co-administration is documented to enhance the action of the immunomodulating agent.
Recombinant Interferon Co-administration is stated to be permissible.

Non-Medicinal Substances

The regulatory information provides guidance regarding certain non-medicinal substances, classifying the combination with Ascorbic Acid (Vitamin C) and Other Vitamins as officially advisable or appropriate. The label does not document any contraindicated combinations or interactions with alcohol or herbal products.

Mechanism of Action

How Нобазит Works

The mechanism of Enisamium Iodide is defined by a dual approach: direct enzymatic blockade of the viral RNA polymerase and concurrent modulation of host inflammatory signaling pathways.


Direct Inhibition of Viral Replication Machinery

The active metabolite, VR17-04, exerts its primary effect by acting as an inhibitor against the Viral RNA-dependent RNA Polymerase (RdRp) enzyme, which is required for viral genetic material synthesis. By binding to the enzyme complex, the compound interferes with the synthesis and elongation of the nascent viral RNA strand, thereby halting the proliferation of the virus within host cells. This action leads to a reduction in the systemic viral load.


Modulation of Host Acute Inflammatory Pathways

The drug also engages a secondary mechanism by modulating host inflammatory signaling. It achieves this by suppressing the activity of key transcription factors like NF-κB and enzymes such as Cyclooxygenase (COX). This modulation dampens the signaling cascade that influences the release of pro-inflammatory cytokines (such as IL-6 and IL-1), resulting in an attenuated systemic physiological response.

Dosage and Administration Information

The administration of Нобазит (Enisamium Iodide) is structured according to a specific regimen. The medication is designated for oral administration and is typically provided in a tablet formulation. The standard dosing for acute use in adults involves a fixed intake of 0.5 g (500 mg) per dose. This quantity corresponds to consuming two of the commonly available 0.25 g tablets.

The established dosing schedule involves taking the medicine three times daily, resulting in a total daily intake of 1.5 g. The regimen is time-bound, with a course duration of 7 days. The dose is to be ingested after a meal (postprandially), establishing a consistent timing relative to food consumption. To ensure proper delivery of the solid dosage form, the tablets are to be swallowed whole and without chewing.

Specific adjustments for populations such as older adults or those with renal or hepatic impairment are not uniformly specified for standard acute use. The regimen is primarily described for the standard adult patient population seeking acute course support. The usage structure is based on a defined sequence of administration.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Нобазит

The research for Нобазит (Enisamium Iodide) focuses exclusively on its use in acute viral illnesses, with evidence primarily derived from controlled clinical trials. These studies were designed to understand how the compound was studied for its association with the patient's experience of symptoms.


Evidence for Use in Acute Respiratory Viral Infections (ARVI) and Influenza

The evidence base for its use in conditions like ARVI, including Influenza A and B, is built upon short-term randomized controlled trials (RCTs) and prospective studies. These studies were applied in research contexts involving fluctuating or unstable symptoms, particularly in adult populations (ages 18 to 60) who were experiencing the initial, acute stages of infection. Researchers examined several outcomes related to systemic or functional imbalance, such as the time until changes in the overall feeling of illness were measured and how long it took for a high fever to disappear.

Studies conducted during periods of increased symptom activity reported observations related to the duration of symptoms in the groups receiving the compound compared to the placebo groups. One RCT reported on the measured viral antigen detection rates at Day 3 in the studied populations. These findings describe patterns observed in the studies and contribute to the broader evidence landscape related to conditions associated with acute or disruptive episodes.

Evidence for Use in Moderate-Severity COVID-19

Research evaluated the compound's use in hospitalized adult patients with moderate-severity COVID-19, focusing on conditions involving periods of heightened symptoms and physiological strain. This evidence was gathered primarily through large, multicenter, placebo-controlled Phase 3 clinical trials.

The trials monitored outcomes such as the time until a measured shift in the patient's condition was recorded, based on defined severity rating scales. Study reports described that the measured outcomes varied depending on whether the compound was administered early or later in the course of the infection. Findings indicate that studies reported how symptoms evolved in the observed populations.


What Is Still Uncertain About Нобазит Evidence

While studies monitored short-term symptom changes, the follow-up durations were limited, meaning there is limited information for long-term outcomes following treatment. Furthermore, results apply only to the adult populations studied, and evidence quality varies across studies, contributing to limitations in generalizing the research outside of the specific conditions and populations under which they were conducted. Comparative evidence with other treatments applied in the same setting is also limited in the published literature.

Key Studies & References J05AX17 - ATCDDD - ATC/DDD Index - WHO Collaborating Centre for Drug Statistics Methodology (Enisamium Iodide)

Frequently Asked Questions (FAQ)

Common questions about Нобазит (FAQ)


Q: Is Нобазит an antibiotic?

A: No. Official documents classify Нобазит as a Direct-Acting Antiviral Agent for systemic use. This means its mechanism is defined as acting against viruses, which is a different category than antibiotics, which target bacterial infections.


Q: How does Нобазит compare to Ingavirin (Ингвирин) or Arbidol (Арбидол)?

A: While all are used in the context of viral respiratory illness, they are distinct products. Нобазит contains the active ingredient Enisamium Iodide, while Ingavirin and Arbidol contain different active chemical substances. This indicates they are distinct pharmaceutical products with different compositions.


Q: What kind of infections is Нобазит used for?

A: According to official product information, the medicine is researched and indicated for the systemic treatment of conditions such as Influenza (types A and B) and other Acute Respiratory Viral Infections (ARVI). Its defined purpose is to intervene directly against these types of infectious agents.


Q: How does Нобазит compare to general cold and flu remedies?

A: Нобазит is officially classified as a Direct-Acting Antiviral Agent. This classification is based on its mechanism of action, which is defined as targeting the viral agent itself. This classification is used to differentiate its mechanism from other treatments that focus only on relieving symptoms.


Q: How long after starting Нобазит can I typically expect a noticeable effect?

A: Clinical studies have examined outcomes related to symptom changes. Research reports have noted observations of a measured improvement in well-being starting around Day 3 of treatment and a measured reduction in the duration of fever in the studied populations.


Q: How long is the typical duration of treatment with Нобазит?

A: The official administration instructions specify a fixed and defined treatment course. For acute use, this is structured around a total duration of 7 days to complete the protocol.


Q: Do I need a prescription to buy Нобазит?

A: The status of whether the medicine requires a prescription or is available over-the-counter is determined by the national health authority in the specific country where the product is authorized and marketed.


Q: Is Нобазит available internationally, outside of Russia and CIS countries?

A: The regulatory approval and availability of the medicine are primarily established in Eastern European countries and the CIS region. For example, official drug regulatory documents from the United States (FDA) or the European Union (EMA) do not list approval for its clinical use.


Q: Is it normal to feel a mild nausea when starting Нобазит?

A: Nausea is listed in the regulatory safety profile under the Gastrointestinal Disorders category. It is officially classified as a Common adverse reaction, meaning it is a frequently reported effect among users.


Q: Does Нобазит cause drowsiness?

A: Official regulatory documents do not list drowsiness as an officially classified adverse reaction. This indicates that it is not a recognized side effect in the official safety profile of the medicine.


Q: Can Нобазит affect my ability to drive or operate machinery?

A: Official safety data does not list side effects that are typically known to cause functional impairment related to driving or operating machinery. Official information does not indicate a specific risk of impairment to the ability to drive or use machinery.


Q: Can Нобазит be taken at the same time as paracetamol (acetaminophen)?

A: The official regulatory information specifies interactions with certain drug classes (like antibacterials) but does not detail a specific documented interaction with common over-the-counter analgesics such as paracetamol (acetaminophen).


Q: Are there known interactions between Нобазит and alcohol?

A: The official product labeling and regulatory information do not contain documented interaction data or specific warnings regarding the consumption of alcohol.


Q: Can Нобазит be taken by someone who is trying to conceive (male or female)?

A: The official product monograph addresses only the use of the medicine during pregnancy and breastfeeding (where it is contraindicated). It does not provide specific information regarding use during the pre-conception phase or its effect on fertility in men or women.


Q: Can I take Нобазит if I have a chronic medical condition, like diabetes?

A: Official regulatory constraints primarily address severe organic lesions of the liver or kidneys, as well as iodine metabolism disorders. General guidance regarding every other chronic condition, such as diabetes, is not specified in the official documents.


Q: Why might a doctor prescribe Нобазит?

A: A doctor may prescribe the medicine for the treatment of Acute Respiratory Viral Infections (ARVI) and Influenza. This is based on the drug's officially defined therapeutic indications as a direct-acting antiviral agent.


Q: What does 'broad-spectrum' mean in the context of Нобазит?

A: The drug is described in research as a broad-spectrum inhibitor because it has shown potential activity against multiple different types of RNA viruses. This includes various strains of influenza and coronaviruses.


Q: What is the purpose of the filler ingredients in the Нобазит tablet?

A: The non-active ingredients, known as excipients, are essential for the product's quality. They help to form the tablet, maintain its stability, and ensure the active ingredient is properly delivered and absorbed by the body. They are not intended to have a therapeutic effect.


Q: Can Нобазит be used during the flu season?

A: Official documentation indicates the compound is researched and used for the treatment of Influenza and other acute viral respiratory infections. These are the specific conditions that are most common during flu season.


Q: Is Нобазит generally considered a well-tolerated medicine?

A: The regulatory safety profile lists most adverse reactions (such as nausea and rash) as Common and manageable, with only a few serious effects (such as angioedema) listed as Rare. These characteristics collectively describe the medicine's tolerability profile as listed in regulatory documents.


Q: Are there different recommended uses for children versus adults?

A: Official regulatory documents explicitly contraindicate the use of the drug in individuals who are under 18 years of age. Therefore, there is no officially recommended or defined pediatric use.


Q: Are there any specific laboratory tests that should be done while taking Нобазит?

A: Official information does not specify mandatory, routine laboratory testing required solely due to taking the drug. Monitoring of clinical symptoms is typically the primary focus during treatment.


Q: What is the difference between an antiviral drug and an immunomodulator?

A: The drug is described in its official mechanism of action as having a dual approach. This includes a direct Antiviral effect (stopping viral reproduction) and a Modulatory effect, which involves dampening the host body's inflammatory response.


Q: Are the safety data on Нобазит considered comprehensive by regulatory bodies?

A: Research overviews note that the evidence is generally limited by the short-term focus of the studies. Official research reports mention that follow-up periods in studies were limited and that comparative evidence against other treatments is scarce.


Q: Does the official information mention any risks related to long-term use of Нобазит?

A: Given that the medicine is prescribed for a short-term acute course (7 days), the clinical research conducted had limited follow-up durations. As a result, there is little official information regarding the outcomes or risks associated with extended long-term use.


Q: What documentation is available from the manufacturer regarding Нобазит research?

A: The primary sources for evidence are publicly available. Research findings are published in peer-reviewed scientific literature (virology journals) and are recorded in public databases such as clinical trial registries.


Q: Is there any research evidence on Нобазит's use during the summer months?

A: The research evidence focuses on the compound's use in the context of acute viral illnesses and does not provide specific data or studies segmented by the season of the year.

How should Нобазит be stored and disposed of?

Storage and Disposal Requirements

Official regulatory documentation requires Нобазит (Enisamium Iodide) to be stored at a temperature not exceeding 25 C. The product must be kept in a dry place and protected from both moisture and direct light exposure to maintain its quality until the expiration date.

Storage Classification
Storage Temperature Maximum 25 C
Environmental Protection Protect from Light and Moisture
Child Safety Mandate Keep out of the sight and reach of children

Storage must always occur in the original container. The regulatory label mandates that unused or expired medicine must be disposed of according to local regulatory requirements for medicinal products to ensure environmental safety and prevent accidental exposure.

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

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