Overview of Lisozyme
Lisozyme is a pharmaceutical preparation whose primary active component is the enzyme Lysozyme (specifically Lysozyme hydrochloride), utilized for its antibacterial and mucolytic properties, particularly in local mucosal applications. It is fundamentally a natural, cationic polypeptide chain integral to the body’s own innate defense system.
Quick Facts about Lisozyme
| Property | Description |
|---|---|
| Active ingredient | Lysozyme hydrochloride |
| Form | Oral formulations (lozenge/tablet), topical solutions/sprays |
| Pharmacological class | Antibacterial enzyme, Local immunomodulator, Mucolytic agent |
| Common purpose | Supporting local mucosal defenses and reducing bacterial load |
| Origin | Natural enzyme (often sourced from hen egg white) |
The Identity of Lysozyme: A Natural Antibacterial Enzyme
Lisozyme is classified as an antibacterial enzyme and local immunomodulator, placing it within the category of substances that support natural biological defenses. As an entity, Lysozyme (INN) is an N-acetylmuramide glycanhydrolase, a highly specific protein that contrasts with synthetic chemical antiseptics due to its natural origin and precise enzymatic mechanism. This enzyme is recognized as a fundamental component of innate immunity in biological systems. The preparation is highly favored for over-the-counter (OTC) use in multiple countries, often marketed for adults and children capable of using lozenges safely, reflecting its established local safety profile.
Lysozyme's Classification and Forms
Lisozyme is manufactured in various dosage forms optimized for local delivery, including oral formulations such as lozenges or sublingual tablets, as well as topical solutions like sprays. The primary route of administration is therefore oromucosal or local topical application, ensuring the active enzyme reaches the affected membrane directly. Many popular commercial versions of the Lysozyme preparation also include Pyridoxine (Vitamin B6), a differentiating feature intended to enhance the regenerative capacity of the mucosal cells alongside the enzyme's primary function.
The General Purpose of Lysozyme's Action
The general purpose of this preparation is to provide localized support by leveraging its bacteriolytic activity and reinforcing the mucosal defenses. Lysozyme achieves this by promoting the hydrolysis and subsequent degradation of the cell walls of susceptible bacteria, which helps to reduce the microbial challenge on the affected membranes. Its enzymatic action against bacteria is well-documented. This combined action—providing targeted local antibacterial support and acting as a mucolytic agent—is clinically recognized for generally helpful use in alleviating discomfort and supporting the normal recovery processes associated with minor, localized irritation and inflammation in the mouth and throat.
Regulatory References

