Overview of Natalsid
What is Natalsid?
Natalsid is a topical medication used in proctology for the local treatment of symptoms associated with hemorrhoids and other anorectal conditions. It belongs to the class of hemostatics and reparative agents, designed to address local inflammation and minor bleeding in the rectal area.
Composition and Active Ingredient
The active substance in Natalsid is sodium alginate. Sodium alginate is a natural polysaccharide extracted from brown seaweed (Phaeophyceae). In its medicinal form, it serves as the primary component that provides the therapeutic effects of the preparation.
Mechanism of Action
When Natalsid is administered, the sodium alginate interacts with the moisture in the rectal mucosa to form a viscous gel. This process facilitates several physiological actions:
- Hemostatic Effect: The sodium alginate helps to reduce local bleeding. By interacting with the proteins in the blood and the mucous membranes, it promotes the formation of a physical barrier that helps stabilize the affected area.
- Anti-inflammatory Action: The presence of the gel helps to soothe the mucous membrane, leading to a reduction in swelling and the associated discomfort or pain.
- Tissue Repair: By providing a protective coating over damaged tissues, the medication creates a favorable environment for natural epithelialization (healing) of anal fissures and mucosal erosions.
Clinical Applications
Natalsid is primarily utilized for the management of chronic conditions affecting the lower rectum. It is commonly indicated for:
- Chronic bleeding hemorrhoids.
- Anal fissures during the stage of epithelialization.
- Inflammation of the rectum (proctitis).
- Recovery following surgical interventions in the anorectal region.
Due to its natural origin and localized action, the medication focuses on symptomatic relief and the acceleration of the natural healing process of the rectal lining.
Regulatory References


