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Омнитус

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Омнитус

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Treatment option: Influenza, Cough, Pertussis

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 Омнитус

Quick Facts

Property Description
Active ingredient Butamirate (citrate/dihydrocitrate)
Form Syrup, Oral Drops, Tablets (including prolonged-release)
Pharmacological class Antitussive agent (Central action, Non-opioid)
Common purpose Symptomatic relief of dry, non-productive cough
Origin Synthetic compound

What is Омнитус and Its Pharmacological Class?

Омнитус is a monoseptic preparation defined by its single active component, Butamirate, which is a synthetic compound typically utilized as the citrate salt. Pharmacologically, it is classified as a centrally acting Antitussive agent. Within pharmacological classification, Butamirate is grouped among cough suppressants, a categorization reflecting that the core purpose of the medicine is the suppression of the cough reflex rather than addressing inflammation or mucus production.

Forms of Омнитус and General Purpose

Омнитус is available in several dosage forms suited for oral administration, notably including a liquid Syrup and Oral Drops for specific patient groups, as well as Tablets, which feature prolonged-release formulations. This variety in form is a key factor enabling flexible administration. The core substance, Butamirate, is used for its role in reducing the severity and frequency of coughing fits. This substance is utilized in managing the physical discomfort of a non-productive cough, a scenario where the patient experiences persistent, irritating coughing without bringing up phlegm.

How Does Butamirate Differ from Other Cough Medicines?

The unique identity of the active ingredient, Butamirate, lies in its mechanism. It is identified as a non-opioid cough suppressant, acting directly upon the brainstem's cough center. This central action and its chemically distinct structure mean it avoids the specific neural pathways and dependencies associated with narcotic antitussive agents, setting it apart in the cough remedy landscape. This focused, non-opioid mechanism offers a specialized approach for managing disruptive coughing that originates from heightened central nervous system sensitivity.

Regulatory References

  1. Butamirate - Drugs and Lactation Database (LactMed), NIH
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What side effects are possible with Омнитус?

Possible Side Effects and Safety Information

Омнитус (Butamirate) is a non-opioid cough suppressant generally considered well-tolerated. However, like all medications, it can cause adverse reactions, though they are usually mild and transient.

Common and Rare Side Effects

The most frequently reported side effects are associated with the gastrointestinal and nervous systems. These generally do not require medical intervention and often resolve as the body adjusts to the medication. Consult a healthcare professional if any side effects are persistent or severe.

System Common Side Effects (Rare)
Nervous System Drowsiness, Dizziness (Headache)
Gastrointestinal Nausea, Diarrhea (Vomiting, Stomach Discomfort)
Skin/Immune Skin Rash, Hives (Urticaria), Hypersensitivity Reactions

Important Safety Information

  • Hypersensitivity: The medication is contraindicated for individuals with a known allergy to Butamirate or any of the product's components.
  • Mental Alertness: Due to the potential for drowsiness and dizziness, caution is advised when performing tasks that require concentration, such as driving or operating machinery.
  • Combination Therapy: The use of Омнитус, which suppresses the cough reflex, is generally discouraged in combination with expectorants (mucus-clearing medications). This combination may lead to a buildup of mucus in the airways, increasing the risk of respiratory complications.
  • Pregnancy and Lactation: Use of Butamirate is not recommended during the first trimester of pregnancy. During the second and third trimesters, and while breastfeeding, it should be used only if the potential benefit justifies the potential risk, and only under medical supervision.
  • Underlying Conditions: Individuals with impaired renal or hepatic function may be at greater risk for adverse effects due to potential accumulation of the drug and its metabolites and should use the medication with caution.
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Overdose and Emergency Response

The official regulatory profile for Butamirate overdose details specific clinical manifestations affecting three primary body systems. Overdose, which occurs when an individual has taken more than the recommended dosage, is primarily characterized by central nervous system effects such as drowsiness and dizziness, coupled with gastrointestinal symptoms like nausea, vomiting, and diarrhea. A documented serious manifestation is a decrease in blood pressure, known as hypotension.

The regulatory guidance on management confirms there is no known specific antidote available. Therefore, treatment focuses on symptomatic and supportive measures. Interventions documented in the official labeling include procedures such as gastric lavage and the administration of activated charcoal to reduce absorption, and the monitoring of vital signs is also required. Official documents note that individuals with impaired renal or hepatic function may be at greater risk for adverse effects due to drug accumulation.

Required Emergency Actions

The following actions are explicitly mandated by regulatory authorities if an overdose is suspected:

Action Category Official Regulatory Statement
Immediate Response Seek medical attention immediately.
Contact Mandate Contact a poison center right away.
Treatment Focus Treatment is symptomatic and supportive.
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Therapeutic Uses of Омнитус

What Omnitus Treats: Main Uses and Benefits

Omnitus (Butamirate Citrate) is intended for the symptomatic treatment of non-productive cough. This medication is commonly used to help with the relief of dry, non-productive coughs associated with acute episodes like respiratory infections, and in clinical scenarios surrounding medical interventions.

Therapeutic Focus and Benefit

The medication is applied in areas where short-term symptom management is appropriate, relevant for managing symptoms that interfere with daily comfort. This application helps address symptom clusters that create noticeable physiological strain. It is relevant when symptoms become temporarily overwhelming, offering symptomatic relief that helps patients cope more steadily with difficult episodes. It is often used during phases when symptoms become more noticeable, including clinical settings surrounding medical interventions.

“This application supports the patient during difficult episodes by easing distress and contributing to improved comfort during periods of heightened symptoms.”

Quick Fact

Quick Fact: Relief for Persistent Dry Cough

Regulatory References

  1. Ethiopian Food and Drug Authority (EFDA) document
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Eligibility and Restrictions for Use

Official Eligibility Rules for Омнитус (Butamirate)

Official regulatory documents define specific populations who are permitted, restricted, or prohibited from using Butamirate-containing products.

Absolute Contraindications

The medicine is formally contraindicated and must not be used by individuals with known hypersensitivity to Butamirate citrate or any of its excipients. Use is also strictly prohibited for children under 3 years of age in most formulations and for patients diagnosed with Hereditary Fructose Intolerance.

Restricted and Conditional Use

Population Group Regulatory Status
Pregnancy (First Trimester) Contraindicated (Must not be used).
Pregnancy (2nd & 3rd Trimesters) Use is conditional and requires caution; only if absolutely necessary.
Lactation/Breastfeeding Not recommended due to insufficient data on excretion.

Special Population Considerations

Patients with existing renal or hepatic impairment should use the medicine with caution, as clinical data for these populations is noted as limited. Use in older adults is often noted as not specifically established in regulatory documents. Furthermore, concomitant administration with expectorants must be avoided as a regulatory precaution.

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What should I know about interactions with other medicines?

Interactions with other medicines and products

This section describes the officially documented interaction patterns for Butamirate Citrate, based strictly on government regulatory documents.

Parameter Official Regulatory Information
Interacting Product Categories Expectorants (Mucolytics), Strong Enzyme Inhibitors, and Medicinal Products with a Narrow Therapeutic Index
Mechanistic Basis Pharmacodynamic interference (counteracting effects on cough and mucus clearance) and Pharmacokinetic effects (risk of increased Butamirate exposure)
Interaction-Related Restrictions Co-administration must be avoided with expectorants, mucolytics, and strong enzyme inhibitors.
Timing Requirements No mandatory time separations are documented; restrictions are formal prohibitions.
Population-Specific Notes Restriction applies to co-administration with Narrow Therapeutic Index drugs due to the documented possible risk of altered exposure to those drugs.

Official Interaction Statements

  • Co-administration with expectorants or mucolytics is restricted. This is a pharmacodynamic constraint where the cough-suppressing action prevents the clearance of secretions, leading to the risk of mucus accumulation.
  • The use of Butamirate alongside strong enzyme inhibitors must be avoided. This pharmacokinetic restriction is based on the documented risk of increased Butamirate plasma levels and systemic exposure.
  • A restriction exists for co-administration with medicinal products that possess a narrow therapeutic index. This constraint addresses the possible risk of altered drug exposure to the NTI drugs.

Connection to the overall interaction profile

Regulatory documentation defines the product's interaction structure around two distinct constraints: functional pharmacodynamic interference with mucus-clearing agents and pharmacokinetic exposure modification by strong metabolic inhibitors. These restrictions dictate when co-administration is prohibited to manage the risks of secretion accumulation and altered Butamirate plasma concentration, respectively.

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Mechanism of Action

Central Modulation of the Cough Reflex Signal

The primary mechanism of Butamirate involves a direct inhibitory action on the Cough Center located in the medulla oblongata (brainstem). This interaction effectively modulates the neural signaling within the central reflex pathway, raising the cough threshold so that a stronger irritant signal is necessary to trigger an efferent response. This core central action initiates the cascade that results in an attenuated efferent signal from the cough center.


Peripheral Airway Spasmolysis

In addition to its central effect, the drug exerts a bronchospasmolytic effect, acting peripherally to relax the bronchial smooth muscle. This action decreases airway resistance, a physiological change that decreases the mechanical stimulus applied to mucosal receptors, and contributes to the overall effect profile.


Functional Mechanism Limitations

Butamirate's mechanism is functionally constrained to suppressing the efferent neural drive of the cough reflex. This action is antagonistic to the physiological requirement of expectoration (mucus clearance), which results in functional antagonism when co-occurring with expectoration.

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Dosage and Administration Information

How to Use Омнитус: Administration Guidelines

Forms and Route

Administration of Butamirate, the active component of Омнитус, is oral, meaning the medicine must be swallowed. It is available in two main forms designed for different populations and dosing schedules: a liquid Syrup (typically 7.5 mg per 5 mL) and a Sustained-Release (SR) Tablet (50 mg Butamirate Citrate).

Standardized Dosing and Frequency

For adults, the sustained-release tablet regimen involves taking 2 to 3 tablets daily, with doses spaced at 8- to 12-hour intervals to maintain the necessary therapeutic profile. When using the liquid formulation, adults may take 15 mL (22.5 mg) up to four times daily.

The liquid syrup formulation allows for age-dependent adjustments. Children aged 6 to 12 years are administered a dose of 10 mL three times daily, while children aged 3 to 6 years are administered 5 mL three times daily.

Special Administration Conditions

The medicine can be taken with or without food. A key procedural constraint for the solid form is that the 50 mg sustained-release tablets must be swallowed whole; they are not to be split, chewed, or crushed. Treatment is typically short-term and limited to the symptomatic period, often with a maximum duration of 5 to 7 days without further medical evaluation. If a dose is missed, the next dose is taken at the scheduled time; the dose is not doubled to compensate.

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Recent Clinical Evidence

Research Evidence / Overview of Studies for Омнитус


Evidence for Symptomatic Relief of Non-Productive (Dry) Cough

The research on Butamirate (the active ingredient in Омнитус) has explored clinical situations where a dry, non-productive cough is the main symptom. Studies conducted during periods of increased symptom activity include short-term Randomized Controlled Trials (RCTs). These RCTs were generally comparative trials, often examining Butamirate against other antitussive agents.

The research examined patient-reported outcomes describing perceived discomfort, such as how the severity and frequency of the coughing fits reflected measured changes in these self-reported symptoms over a typically short duration. Findings described patterns observed in the studies that were relevant in evidence describing how symptoms are measured. Studies contribute to the broader evidence landscape concerning symptom patterns during acute cough episodes.

Scope of Clinical Outcomes and Measures

Studies exploring Butamirate were evaluated in research contexts that looked at more than just the patient's report of their cough. Research also examined outcomes reflecting daily functioning or activity level. For instance, some trials explored patient-reported experiences of night-time cough, with outcomes related to sleep quality being monitored.

Beyond subjective patient reports, researchers also studied the physical mechanism of the cough reflex itself. This involved using specific physiological tests. Studies reported measurements from these tests, but findings were mixed when compared across different trials or against other antitussive agents. This variability highlights that the evidence quality varies across studies.

Study Duration and Follow-up Assessments

The research on Butamirate generally was studied for short-term or episodic symptom patterns. Most clinical trials and observational studies were conducted during periods of increased symptom activity and typically lasted between three and seven days. These short follow-up durations were applied in research exploring short-term symptom changes in conditions associated with acute or disruptive episodes.

Consequently, there is limited information for long-term outcomes or how durable the effects can be after a patient stops taking the medication. Research has explored short-term symptom changes, but long-term effects are not fully established.

What Research Gaps and Uncertainties Remain

The evidence base for Butamirate has several documented limitations. One key factor is that the majority of supporting data was studied for an active comparator, meaning there is less modern research exploring its effect against a non-active treatment (placebo). Furthermore, sample sizes were modest in some of the older trials. Data for certain groups remain insufficient, and follow-up durations were limited.

Key Studies & References

  1. Butamirate ATC Classification (R05DB13) - World Health Organization Collaborating Centre for Drug Statistics Methodology
  2. Butamirate - Drugs and Lactation Database (LactMed), National Institutes of Health (NIH)
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Frequently Asked Questions (FAQ)

Common questions about Омнитус (FAQ)

Q: What is Омнитус used for?

A: Омнитус is a preparation containing butamirate, which is classified as a non-opioid cough suppressant. It is indicated for the symptomatic treatment of a dry, non-productive cough.

Q: How does butamirate work to suppress a cough?

A: Butamirate is reported to act centrally to help suppress the cough reflex. Its proposed action is at the level of the brainstem, which may contribute to reducing the frequency and intensity of coughing fits.

Q: Is Омнитус available in different forms?

A: Yes, Омнитус is typically available in different forms, such as syrup and prolonged-release tablets. The specific form and strength may vary depending on the country and regulatory approval.

Q: Who should not use butamirate?

A: Butamirate preparations are generally not recommended for individuals with known hypersensitivity to the active substance or any of the excipients. They are also typically contraindicated in the first trimester of pregnancy and for children under a certain age, depending on the specific dosage form.

Q: Can Омнитус be taken with other medications?

A: Due to the potential for interaction, it is generally recommended to consult a healthcare provider or pharmacist before combining Омнитус with other medications. This is especially important when considering other cough and cold remedies or central nervous system depressants.

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How should Омнитус be stored and disposed of?

How to Store and Dispose of Omnitus

Storage and disposal requirements for Omnitus (butamirate citrate) are strictly defined in regulatory labeling to ensure product stability and safety.

Official Storage Requirements

Constraint Regulatory Requirement
Temperature Store below 25 C (77°F).
Protection Must be kept in the original container to protect it from light.
Child Safety Must be kept out of the sight and reach of children.

Disposal

Unused Omnitus and any related waste material must be disposed of in accordance with local requirements. Official labeling mandates this procedure to prevent improper environmental contamination, rather than instructing disposal in household trash or wastewater systems.

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

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