Murazyme

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Murazyme

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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 Murazyme

Property Description
Active ingredient Lysozyme hydrochloride
Form Tablets for oral resorption, Topical solution
Pharmacological class Local Antiseptic Agent, Enzymatic preparation
Common use Relieving local throat and mouth irritation
Origin Natural enzyme (Protein)

What is Murazyme and Its Active Component?

Murazyme is a pharmaceutical preparation classified as a natural enzymatic preparation that acts primarily as a local antiseptic agent. Its fundamental identity is defined by its active component, the enzyme Lysozyme hydrochloride. This substance is a glycoside hydrolase enzyme and forms a key part of the body's innate immune defense system. Lysozyme acts as a naturally occurring defense factor in mucosal immunity.

This medicine is a protein-based enzyme. While it can be formulated with a single active ingredient, it is often found as a fixed-dose combination product alongside supportive agents like pyridoxine to enhance its protective effect on the mucosa.


Lysozyme's Origin and Formulation

The active component, Lysozyme, is a natural enzyme typically derived from sources rich in the protein, such as hen egg white. This source underscores its biological origin and differentiates it from entirely synthetic antiseptic agents. Murazyme is formulated for highly localized application, commonly available as tablets for oral resorption (lozenges) or as a topical solution.

This specific dosage form is critical because the mucosal route of administration ensures that the enzyme is released slowly across the affected oral and pharyngeal mucosa. The composition involves the active Lysozyme hydrochloride embedded within an excipient base, maximizing the enzyme’s direct contact time for effective local action rather than systemic absorption.


What is the General Purpose of This Enzymatic Agent?

The general purpose of the Lysozyme in Murazyme is to provide localized support for the body's natural defenses, helping to relieve irritation and soreness in the mouth and throat. This benefit is directly tied to the enzyme's unique and specific bacteriolytic activity. The enzyme has the capacity to hydrolyze beta-(1 o4) linkages in the peptidoglycan layer of bacterial cell walls, thus contributing to an antibacterial effect. This mechanism helps the immune system by directly disrupting susceptible bacteria on the mucosal surface, making it suitable for managing mild inflammatory conditions.

By providing this direct, antiseptic mechanism, alongside a supportive anti-inflammatory effect, the medicine aids in reducing microbial presence and supports the recovery of irritated mucous membranes.

What side effects are possible with Murazyme?

Possible Side Effects and Safety Information

Official regulatory documents characterize the safety profile of Murazyme (Lysozyme hydrochloride) primarily around the potential for allergic and hypersensitivity reactions. This classification is due to the drug's nature as a protein-based enzyme typically derived from hen egg white, a safety consideration explicitly addressed in government-approved labels.


Official Adverse Reactions and Frequency

The most significant safety concern involves immune system and skin disorders, classified by frequency standards used in regulatory documents like the Summary of Product Characteristics (SmPC):

Classification System-Organ Class Involved Documented Adverse Reactions
Rare Immune System Disorders, Respiratory Disorders Anaphylactic Shock, Angioedema (swelling of face, throat)
Not Known Skin and Subcutaneous Tissue Disorders Rash, Urticaria (hives), Pruritus (itching)

Note: The Not Known frequency indicates that the rate cannot be estimated from the available data reported to regulatory authorities.


Key Safety Restrictions

The primary safety restriction is a contraindication for patients with known hypersensitivity to Lysozyme hydrochloride or to its excipients, especially those with a confirmed allergy to egg proteins. This restriction is a fundamental constraint detailed in official labeling.


Serious Adverse Reactions

Official documents classify Anaphylactic Shock and severe Angioedema as serious adverse reactions. Angioedema involves rapidly developing swelling, particularly of the tongue or pharynx, posing a significant safety risk.

This structure ensures that the safety information focuses on the potential for allergic events, defining the risk profile based on the individual’s pre-existing sensitivities to protein sources.

Overdose and Emergency Response

Overdose and When to Seek Help

The official regulatory profile for Lysozyme hydrochloride (Murazyme) is based on reports of acute exposure and its classification within international safety standards. The most significant concern involves acute hypersensitivity reactions tied to the medicine's protein nature.

Documented Overdose Manifestations

  • Respiratory Symptoms: Acute, excessive exposure may lead to breathing difficulties, including potential allergic or asthmatic symptoms. This is classified under regulatory hazard statements noting the risk of severe respiratory distress or bronchospasm.
  • Gastrointestinal Effects: Ingestion of excessively large quantities may result in signs of gastrointestinal irritation.
  • Specific Antidote: No specific antidote is known for Lysozyme hydrochloride overdose, requiring reliance on supportive management.

Regulator-Mandated Emergency Actions

Official guidance defines clear conditions under which urgent medical help must be sought.

  • Immediate Medical Attention: It is required to seek immediate medical attention for the ingestion of excessively large quantities.
  • Contact Physician/Poison Center: Individuals must contact a Poison Center or physician if acute respiratory symptoms or signs of severe distress occur.
  • Supportive Care: Management is symptomatic and supportive. Procedural steps may involve the consideration of activated charcoal following acute, massive ingestion, and hospital monitoring is implied for severe cases requiring emergency evaluation.

Therapeutic Uses of Murazyme

The primary role of Murazyme (Lysozyme hydrochloride) may be to offer localized symptomatic support for conditions presenting with symptoms related to inflammatory or irritative states in the mouth and throat. Lysozyme's use is considered relevant in contexts involving heightened systemic burden.

The medication is commonly used across conditions presenting with acute episodes, and may be relevant for symptomatic management in situations involving pharyngitis, the early symptoms of the common cold, stomatitis, gingivitis, or episodic mouth ulcers.

The use is relevant for easing symptom clusters that create noticeable physiological strain, primarily addressing sore throat, irritation, and the localized pain that interferes with daily functioning. Applied during phases when symptoms become more noticeable, the preparation contributes to easing the overall symptom load.

“It is relevant for managing symptoms that interfere with daily comfort and is used when symptoms create noticeable physiological strain.”

This symptomatic support is also applied across domains where additional assistance is needed, such as managing localized discomfort following minor dental procedures or oral surgery. This supports patients during difficult episodes by easing distress.

Quick Fact: Targeting Localized Irritation and Soreness Symptoms

Eligibility and Restrictions for Use

Murazyme's eligibility profile is strictly defined by official government regulatory documents, outlining which populations are formally permitted and which are prohibited from using the medicine. Limitations are primarily based on known hypersensitivity risks and specific age thresholds.

Eligibility Status Population/Condition Regulatory Classification
Allowed Adults and Children 6 years of age and older. Permitted Use
Contraindicated Patients with known allergy to Lysozyme hydrochloride or any excipients. Absolute Prohibition
Contraindicated Patients with a known allergy to egg or hen egg products. Absolute Prohibition (Due to enzyme origin)
Contraindicated Children under 6 years of age. Age-Based Prohibition

Use is officially not recommended for pregnant women and breastfeeding women. Regulatory agencies classify use in these populations as conditional, requiring consultation with a healthcare professional due to insufficient established human safety data. The label also advises use with caution for older adults.

The official profile establishes non-eligibility for egg-allergic individuals and young children, enforcing strict safety adherence based on population limitations. No systemic comorbidity-linked prohibitions, such as for hepatic or renal impairment, are formally documented in the current label.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The official regulatory profile for Lysozyme hydrochloride (Murazyme) is characterized by a minimal risk of systemic drug-drug interactions. This assessment is based on the drug’s pharmacological identity as a protein-based enzyme and its formulation for highly localized action on the oral and pharyngeal mucosa, resulting in negligible systemic absorption.

Documented Interaction Patterns

Interaction Type Official Regulatory Statement
Systemic Pharmacokinetics No interactions mediated by Cytochrome P450 enzymes or major drug transporters (e.g., P-gp) are officially documented. No substances are listed as significantly altering Lysozyme’s plasma concentrations.
Formal Contraindications No substances are formally listed as contraindicated for co-administration due to an interaction risk with Lysozyme hydrochloride.
Pharmacodynamic Conflicts Regulatory documents include a general caution regarding the concurrent use of other local antiseptic or antibacterial preparations for the mouth and throat. This warning addresses the potential for an additive or conflicting local effect at the site of application.
Food, Alcohol, Supplements No specific interactions with food, alcohol, or herbal products are documented in official regulatory labeling.
Timing Requirements No mandatory time-separation or dose-spacing requirements are stated in regulatory prescribing information based on an interaction mechanism.

The overall regulatory documentation confirms that interaction constraints are confined to the potential for local, functional conflicts. The absence of documented systemic pharmacokinetic interactions reflects a minimal systemic interaction risk.

Mechanism of Action

Murazyme, which is the peptide Muramyl Dipeptide (MDP), functions as a pattern recognition receptor agonist. Its biological targets are the nucleotide-binding oligomerization domain-containing protein 2 (NOD2), primarily expressed in macrophages and other antigen-presenting cells within the reticuloendothelial system and intestinal mucosa.

The interaction involves the ligand-binding domain of NOD2 recognizing the muramyl dipeptide motif. This agonistic binding initiates the intracellular signaling cascade by promoting the oligomerization of NOD2. The oligomerization recruits the adapter protein Receptor-interacting protein kinase 2 (RIPK2) via CARD-CARD domain interactions. RIPK2 then facilitates the activation of the mitogen-activated protein kinase (MAPK) pathways and the nuclear factor kappa B (NF-κB) pathway. The subsequent nuclear translocation of NF-κB transcription factors results in the modulated transcription of genes encoding pro-inflammatory cytokines and chemokines. The systemic physiological consequence is the non-specific upregulation of innate immune responses via a Toll-like receptor-independent mechanism.

Dosage and Administration Information

Administration Guidelines for Murazyme

The administration of Murazyme, which contains the enzymatic agent Lysozyme hydrochloride, is structured around achieving a localized effect in the mouth and throat. Its formulations, typically lozenges for oral resorption or topical solutions, mandate a non-systemic approach to usage.


Administration Protocol

Category General Instructions
Route of Administration Oromucosal/Topical application, intended for direct contact with the oral mucosa.
Dosing Schedule (Adults) One unit dose (lozenge) is typically administered every 1 to 3 hours as needed, with a prescribed daily maximum (e.g., up to 8 lozenges) depending on the specific product strength.
Administration Technique The tablet must be allowed to dissolve slowly in the mouth to ensure proper resorption and contact time; it is strictly instructed not to be chewed, crushed, or swallowed whole.
Age-Group Rules Administration to children requires adult supervision to ensure the correct slow dissolution technique. Lozenges are generally not recommended for children under 2 to 3 years of age.
Course Duration Use is limited to short-term management of acute episodes. Standard guidelines suggest cessation and medical consultation if the condition persists beyond a specified period (e.g., 5 to 7 days).

Summary of Procedural Structure

The usage protocol emphasizes a patient-driven, intermittent frequency pattern tailored to symptoms, rather than a fixed daily schedule. The fundamental procedural step is the slow dissolution of the lozenge in the mouth, which is necessary for the enzyme's local action. This strict requirement regarding the oromucosal route and the absorption technique defines the medicine's role as a localized, non-systemic treatment. The usage instructions, including the daily maximum dose and time-bound limits, establish clear boundaries for self-administration.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Murazyme

Evidence for Symptom Management in Localized Throat and Mouth Inflammation

Research on Murazyme (Lysozyme hydrochloride) has primarily focused on its use in studies exploring how symptoms change over time when applied to conditions characterized by localized irritation in the throat and mouth. These studies often involved populations of adults and adolescents who presented with episodic or acute symptoms, such as those associated with pharyngitis or the common cold.

The core evidence is derived from short-term Randomized Controlled Trials (RCTs) that examined the preparation against a placebo or another existing treatment. In these trials, researchers examined outcomes related to physical discomfort, such as measurements of sore throat pain intensity using standardized patient-reported scales. Other outcomes monitored included data collected on overall symptom severity and patient-reported outcomes describing perceived discomfort when swallowing.

What remains uncertain in this area is that many published reports examined formulations where lysozyme was combined with other active ingredients. This makes isolating the specific contribution of lysozyme alone to the observed outcomes uncertain. Furthermore, follow-up durations were limited, with most studies focusing on responses over defined time intervals of only a few days, meaning evidence is limited regarding symptom patterns over longer periods.


Evidence for use in Oral Lesions and Post-Procedure Symptom Management

Research has explored the use of Murazyme in the context of various oral conditions marked by functional limitations, including recurrent aphthous stomatitis (mouth ulcers) and oral mucositis, which is a condition associated with inflammation. Studies have also been applied in research contexts involving patients managing discomfort following minor dental or oral surgical procedures.


Long-Term Studies and Durability of Symptom Relief

For the authorized indications of Murazyme (local symptomatic relief of acute conditions), most evidence is limited to short-term follow-up periods, reflecting the episodic nature of the symptoms studied. Research highlights findings describing group patterns measured during the immediate study period, but data on extended changes beyond a few weeks are insufficient. Therefore, long-term observations are not fully established for the authorized local oral indications.


Evidence in Different Patient Groups

Research has primarily focused on the adult population, with many clinical trials for acute symptoms also including adolescents. Official regulatory reports describe the need for more dedicated data for very young or very old patient groups, noting that evidence is limited outside the primary populations studied.

Frequently Asked Questions (FAQ)

Common questions about Murazyme (FAQ)

Q: Does Murazyme interact with alcohol?

A: According to the official product information provided by regulatory agencies, no specific interactions between Murazyme and alcohol are documented in the labeling. This means that a specific caution or prohibition regarding alcohol use is not currently stated in the formal regulatory documents.

Q: Are there any specific foods I need to avoid while on Murazyme?

A: Official regulatory documents indicate that there are no specific interactions documented with food, alcohol, or herbal products. Therefore, the official labeling does not state that patients are required to avoid any specific foods while using Murazyme.

Q: Can I take Murazyme if I am already taking over-the-counter vitamins?

A: The official regulatory documents state that there are no specific documented interactions with food, herbal products, or supplements, which generally includes vitamins. The negligible systemic absorption of the medicine limits the potential for known drug interactions.

Q: Can children or teenagers use Murazyme?

A: Official eligibility documents permit the use of Murazyme in children aged 6 years and older. Use is prohibited for children under the age of 6. Research studies have frequently included adolescents in the studied population.

Q: Where can I find the official patient information leaflet for Murazyme?

A: The official product information for Murazyme is published by national regulatory agencies, such as the FDA, EMA, or Health Canada. This information is typically found in documents like the Patient Information Leaflet or the Summary of Product Characteristics (SmPC) provided by the regulatory body.

Q: Is there a generic version of Murazyme available?

A: The active ingredient in Murazyme is Lysozyme hydrochloride. This name is the official generic designation for the enzyme, which is manufactured by various pharmaceutical companies worldwide.

Q: Can Murazyme affect my driving ability?

A: Official regulatory documents do not list any side effects, such as drowsiness, blurred vision, or dizziness, that are known to impair a person's ability to drive or operate machinery. The documented adverse reactions are primarily focused on immune and skin responses.

Q: Is Murazyme addictive?

A: The official regulatory documents and safety profiles for Murazyme do not classify this medication as having the potential for addiction or dependence. This assessment is based on the drug's nature and its local, non-systemic use.

Q: Does Murazyme make you feel tired?

A: Known adverse reactions that are listed in official regulatory documents focus mainly on immune system and skin disorders, such as allergic reactions. Fatigue or tiredness is not listed among the documented side effects.

Q: Is it normal to have a slight headache after starting Murazyme?

A: The official safety profile for Murazyme lists the most serious and frequent adverse events, which are primarily related to allergic responses. Headache is not specifically listed among the known adverse reactions in the regulatory documents.

Q: Does Murazyme cause weight gain?

A: The known adverse reactions listed in official documents focus primarily on allergic and hypersensitivity responses involving the immune system and skin. Weight gain is not listed among the documented side effects of Murazyme.

Q: Is it normal to feel a bit nauseous when first starting Murazyme?

A: The official list of documented adverse reactions does not include nausea. The focus of the safety profile is on immune system disorders and skin reactions.

Q: Is Murazyme known to cause problems with sleep?

A: Official safety documents do not list problems with sleep as a known or reported adverse reaction for Murazyme. The documented side effects are concentrated on allergic reactions due to the product's protein nature.

Q: Can Murazyme cause mood changes?

A: Known adverse reactions listed in official documents do not include mood changes or effects on the central nervous system. The safety profile is characterized by a minimal risk of systemic effects due to the drug’s localized action.

Q: What evidence exists to support the use of Murazyme?

A: Research evidence primarily focuses on the medicine's use for localized symptoms, such as the management of sore throat pain and discomfort associated with pharyngitis. Studies also examine its role in managing discomfort following minor dental or oral surgical procedures.

Q: Are there different strengths or types of Murazyme?

A: The medicine is formulated as tablets for oral resorption (lozenges) and may also be available as topical solutions. Different strengths of the active ingredient may be available depending on the specific product and country of regulation.

Q: Does the effectiveness of Murazyme change over time?

A: Research evidence for Murazyme is primarily limited to short-term studies, often lasting only a few days, reflecting the acute nature of the symptoms studied. Due to this, official documentation indicates that data on extended changes in effectiveness over longer periods are insufficient.

Q: What is the FDA/EMA classification of Murazyme?

A: The active ingredient, Lysozyme, is listed in the Anatomical Therapeutic Chemical (ATC) classification system used by regulatory bodies as a local antiseptic agent.

Q: Can Murazyme be used by people with kidney problems?

A: The current official regulatory documentation does not formally list systemic prohibitions, such as those related to kidney or renal impairment, in the eligibility profile. This is consistent with the drug's negligible systemic absorption.

Q: What if I have an existing heart condition? Can I still use Murazyme?

A: The current official regulatory documentation does not formally list systemic prohibitions, such as those related to heart or cardiovascular impairment, in the eligibility profile.

Q: Do I need to change my lifestyle while using Murazyme?

A: Official regulatory documentation does not state any requirement for patients to change their lifestyle while using this medicine. This includes the lack of mandatory time-separation or dose-spacing requirements based on an interaction mechanism.

How should Murazyme be stored and disposed of?

Murazyme (Lysozyme hydrochloride) must be stored and disposed of based on regulatory requirements for temperature-sensitive solid dosage forms and mandatory safety standards.

Item Labeled Storage Requirement
Storage Temperature Store below the labeled maximum temperature, typically 25 C or 30 C; Do not freeze.
Protection & Handling Protect from moisture and direct light. Keep in the original container and ensure the container is tightly closed.
Child Safety Keep out of the sight and reach of children.
Disposal Dispose of unused or expired medicine according to local, national, and international regulations. Patients should utilize drug take-back programs or discard the product in the household trash only after mixing it with an undesirable substance. Do not flush the product down the toilet or pour it down a drain.

These instructions define how the product must be protected to maintain its stability until the labeled expiration date, ensuring the environment is dry and the temperature is controlled, while also providing clear, compliant instructions for its final, safe disposal.

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

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