Hemofissural

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Hemofissural

Method of action: Vasoprotective

Treatment option:

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 Hemofissural

Property Description
Active Ingredients Tetracaine, Zinc Oxide, Titanium Dioxide
Form Cutaneous Paste (Skin Paste)
Pharmacological Class Anti-Hemorrhoidal Preparation, Combination Topical Anesthetic and Protectant
Common Use Symptomatic relief of local anorectal discomfort
Origin Combination of Synthetic and Inorganic/Mineral Compounds

Hemofissural: Definition and Pharmacological Classification

Hemofissural is a distinct multi-component pharmaceutical formulation classified within the pharmacological class of Anti-Hemorrhoidal Preparations, specifically integrating the actions of a topical anesthetic and a skin protectant. This drug entity is defined as a combination product because its therapeutic profile is derived from the synergistic effect of three distinct active ingredients. The preparation is intended for topical (anorectal) route of administration, a common method for addressing localized discomfort.


Active Ingredients and Topical Form

The formulation contains three principal active ingredients: Tetracaine (as Tetracaine Hydrochloride), Zinc Oxide, and Titanium Dioxide (TiO2). Tetracaine is an ester-type local anesthetic. This means the medication works directly at the site of application to block pain signals. Hemofissural's dosage form is specifically a cutaneous paste (or skin paste), which is a dense, semisolid base preparation. This specialized consistency is preferred for its enhanced adherence, ensuring the active components remain localized at the treatment site for prolonged action.


General Purpose: Relief Through Dual Action

The general purpose of Hemofissural is to provide symptomatic relief by employing a dual action of pain management and physical barrier protection. Zinc Oxide and Titanium Dioxide are used in such formulations to create a physical barrier and provide astringent effects. This protective property is recognized for promoting a less aggravated environment for irritated tissue. The formulation's primary function is to soothe the irritated area and help safeguard the compromised anorectal tissue against friction and moisture, which is beneficial in scenarios such as managing localized discomfort associated with anal fissures.

What side effects are possible with Hemofissural?

Possible side effects and safety information

The safety profile for this topical combination is primarily defined by government regulatory documents, which classify potential reactions into local effects and rare systemic effects arising from the anesthetic component, Tetracaine.

Local reactions are the most common adverse effects, classified as common in official regulatory information. These manifestations are generally transient and localized to the site of application. They fall under Skin and Subcutaneous Tissue Disorders and include effects such as erythema (redness), edema (swelling), pruritus (itching), and transient sensations of stinging or burning .

Rare and potentially serious adverse reactions are formally documented, mostly related to the potential systemic absorption of the local anesthetic. These effects involve systems such as the Nervous System and the Cardiovascular System. Serious documented risks include the rare blood disorder methemoglobinemia and profound systemic effects like seizures or cardiac arrest.

Safety information specifies constraints regarding certain patient populations. Individuals with severe hepatic disease or pseudocholinesterase deficiency are noted to be at a greater risk of developing toxic plasma concentrations due to impaired metabolic clearance. Additionally, regulatory documents highlight that infants under 6 months of age are more susceptible to methemoglobinemia. A known hypersensitivity to Tetracaine or other ester-type local anesthetics is a formal safety constraint.

Overdose and Emergency Response

Overdose and When to Seek Help: Official Regulatory Information

The official regulatory profile for this combination paste focuses on the risk of Local Anesthetic Systemic Toxicity (LAST) due to the potential excessive absorption of Tetracaine. Overdose manifestations are documented to affect the Central Nervous System (CNS) and the Cardiovascular System (CVS).

Documented Manifestations and Emergency Action

Domain Official Regulatory Statements
Documented Manifestations Initial CNS excitation signs, including dizziness, lightheadedness, and blurred vision, often precede CNS depression, such as drowsiness and respiratory difficulties.
Severe Outcomes Officially listed life-threatening events include convulsions (seizures), respiratory arrest, and significant cardiac depression (bradycardia, hypotension, cardiac arrest).
Emergency Action Seek immediate medical attention upon observing any signs of systemic toxicity; contact emergency medical services immediately for severe events.
Supportive Measures Treatment is symptomatic and supportive, including maintenance of the airway, as no specific antidote is known. Hospital monitoring is required.

Summary of Regulatory Guidance

The regulatory documents explicitly define the overdose profile by the severe cardioneurotoxicity that may occur following excessive systemic exposure. This potential for life-threatening outcomes mandates that patients seek immediate medical attention for any documented sign of toxicity. Furthermore, official labeling notes that pediatric and elderly patients, as well as those with severe hepatic impairment, may have an increased susceptibility to systemic toxicity.

Therapeutic Uses of Hemofissural

Main Uses and Supportive Benefits

This medication is applied across domains where additional symptomatic support is needed, including for conditions such as hemorrhoids and anal fissures. It is relevant in contexts marked by increased discomfort or tension, applied when symptoms create noticeable physiological strain, such as pain, itching (pruritus), and localized irritation. Topical treatments are generally utilized as part of the symptomatic management for these conditions.


Therapeutic Domains and Symptom Support

The medication is commonly used to help address symptom clusters associated with these conditions, which are relevant in conditions characterized by recurrent or episodic manifestations. The specific indications are relevant for managing symptoms associated with internal hemorrhoids, external hemorrhoids, and anal fissures. This product assists with general well-being when symptoms become temporarily overwhelming.

This product may support the patient during difficult episodes by easing the overall symptom load.


Quick Fact: Relevant for Localized Discomfort

This short-term symptomatic assistance is considered relevant when supportive symptom management is appropriate.

Regulatory References

  1. NHS Foundation Trust guidance on Haemorrhoids

Eligibility and Restrictions for Use

The eligibility profile for Hemofissural is based on official government regulatory documents, which define specific populations as contraindicated or restricted due to the topical anesthetic component, Tetracaine. Absolute contraindications prohibit use by anyone with a documented history of hypersensitivity to Tetracaine, other ester-type local anesthetics, or their metabolite, PABA.

Eligibility Scope

  • Populations for whom use is contraindicated: Patients with known allergy to Tetracaine, ester-type local anesthetics, or PABA.
  • Age-related eligibility rules: Safety and efficacy are not established for the pediatric population, particularly children younger than 3 years of age. Use in older adults requires caution due to potentially increased systemic sensitivity.
  • Condition-specific eligibility rules: Use is restricted in patients with severe hepatic disease or pseudocholinesterase deficiency, as these conditions impair the medicine’s metabolism.
  • Eligibility-related restrictions: Caution is mandated for application to broken, irritated, or infected skin due to the increased risk of systemic absorption. Similarly, the medicine must be used with caution in patients who are acutely ill or debilitated.
  • Pregnancy and lactation eligibility status: Use status is not established for pregnant women or breastfeeding mothers due to a lack of adequate and controlled safety studies.

Connection to the overall eligibility profile: Official regulatory documents define who can and cannot use the medicine by establishing explicit contraindications based on known hypersensitivity to the anesthetic component's chemical class. Conditional use is required for populations with compromised skin integrity or underlying metabolic comorbidities, which could heighten the risk associated with systemic absorption.

What should I know about interactions with other medicines?

The official regulatory documents for the active ingredient Tetracaine, a component of Hemofissural, define specific constraints regarding co-administration with other medicines and substances. The primary interaction is classified as a contraindicated combination with Sulfonamide Antibiotics, as the breakdown product of Tetracaine can antagonize the antibiotic's intended effectiveness.

Interaction-Related Restrictions

Regulatory documents identify several categories of medicines and conditions that influence the drug's safety profile based on the risk of systemic exposure:

Classification Interacting Agents / Conditions
Metabolic/Exposure Risk Cholinesterase Inhibitor substances; Conditions causing Pseudocholinesterase Deficiency or Severe Hepatic Disease.
Additive Systemic Toxicity Other Local Anesthetic Agents and Class I Antiarrhythmic Drugs (such as mexiletine or tocainide).
Methemoglobinemia Risk Oxidizing Agents, including specific antibiotics, nitrites, and antineoplastic agents.

The pharmacokinetic interaction involves substances that inhibit plasma cholinesterases, which can reduce the metabolism of Tetracaine and officially lead to toxic plasma concentrations. Pharmacodynamic constraints exist with Local Anesthetics and Class I Antiarrhythmics due to the documented potential for additive systemic effects on the central nervous system and cardiovascular system. Furthermore, co-administration with Oxidizing Agents is noted to increase the official risk of methemoglobinemia. Specific cautions are documented for populations with impaired enzyme function, such as premature babies and patients with certain liver conditions.

Mechanism of Action

The mechanism of Hemofissural involves the simultaneous engagement of three distinct pharmacodynamic domains: Peripheral Na v Channel Blockade, Tissue Surface Astringency, and Physical Occlusion.


Peripheral Na v Channel Blockade

The local anesthetic, Tetracaine, functions as a state-dependent blocker of voltage-gated sodium ( Na v) channels on peripheral sensory neurons. By physically obstructing these channels, Tetracaine prevents the influx of sodium ions, which arrests the propagation of the nerve impulse. This molecular action affects the nociceptive signaling pathway, resulting in the discontinuation of peripheral afferent impulse conduction.


Astringency and Occlusion at the Tissue Interface

Zinc Oxide exerts a mild astringent effect through the precipitation of surface proteins, which reduces local fluid weeping and induces mild tissue tightening. Simultaneously, both Zinc Oxide and Titanium Dioxide form an inert, highly adherent physical barrier over the tissue interface. This barrier reduces the contact between the tissue surface and potential external mechanical and chemical stimuli, resulting in a passive modulation of the local inflammatory signaling cascade.


Mechanistic Synergy and Localized Retention

The combination exhibits functional synergy. The adherent semisolid paste, formed by the protective minerals, serves as an occlusive reservoir that physically traps and retains Tetracaine at the site of the nerve endings. This formulation architecture maximizes the local concentration of the anesthetic and prolongs the duration of the peripheral nerve impulse blockade, extending the period of localized neural non-responsiveness.

Dosage and Administration Information

How to use Hemofissural

The administration of Hemofissural follows specific procedural requirements for its application. The medicine is strictly for topical (anorectal) application as a cutaneous paste. The fixed concentrations per gram of paste are 85 mg of Zinc Oxide, 30 mg of Titanium Dioxide, and 10 mg of Tetracaine Hydrochloride.

Administration Scope

Entity Detail
Route of administration Topical (Anorectal).
Dosing schedule Apply the paste once or twice daily.
Age-group administration rules Advisable against use in Pregnancy and Lactation due to a lack of specific data.
Missed-dose rules Users must not use a double dose to compensate for a missed application.
Special procedural conditions Duration is symptom-dependent; users must seek medical advice if symptoms persist or worsen.

Resulting Procedural Structure

Official step sequence:

  • Determine the site of application (internal or external anorectal area).
  • Apply the cutaneous paste once or twice daily.
  • For internal conditions, use the cannula supplied with the tube for application.
  • For external conditions (e.g., fissures, external irritation), apply the paste directly to the affected region.

Connection to the overall use protocol: The administration protocol sets the route as topical and standardizes the application frequency to a maximum of twice daily. This protocol is defined by a specific application method, where the use of the cannula is reserved for internal administration, while external use requires direct application. The instructions further specify the duration by noting that use must be discontinued and medical consultation sought if symptoms do not improve.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Hemofissural

Evidence for Symptomatic Relief of Anal Fissures

Research on the components of Hemofissural was studied for its use in patients experiencing anal fissures, which are conditions characterized by fluctuating or episodic manifestations. The evidence base includes Randomized Controlled Trials (RCTs) and smaller clinical studies which compare the combination of a local anesthetic (Tetracaine) and protectant ingredients (Zinc Oxide, Titanium Dioxide) against inactive treatments or other active topical agents. These studies research examined outcomes related to physical discomfort, primarily measuring changes in patient-reported pain levels using standardized scales.

Studies explored how symptoms evolved in the observed populations over specific time periods. Researchers monitored patients for outcomes related to healing, tracking the percentage of patients recorded as having fissure closure over follow-up periods that could extend to several weeks. Some data show patterns related to local physiological changes, and studies monitored the anal sphincter muscle tension. The evidence available to date contributes to the broader evidence landscape regarding how these types of topical preparations was studied for.


Evidence for Symptomatic Relief of Hemorrhoids

The combination of ingredients was evaluated in research exploring how symptoms of hemorrhoids change over time. These conditions involving periods of heightened symptoms are typically managed using treatments that target symptom clusters like pain and itching. Studies applied in research examining patient-reported experiences focused on key outcomes capturing phases of heightened symptom activity, such as the frequency of itching (pruritus) and the severity of pain and bleeding.

Research has explored the use of the component ingredients within the context of short-term symptom changes related to acute flare-ups. Studies monitored patient-reported outcomes describing perceived discomfort. Findings indicate that for protectant components, results were observed in some studies to be comparable to those achieved with a placebo or the vehicle of the formulation itself. This evidence contributes to understanding symptom patterns but research does not determine whether an individual will respond similarly to the group findings.


Consistency and Gaps in the Evidence

The research contributes to the broader evidence landscape by showing what has been observed so far, but the certainty remains low for the overall picture. One key limitation is that comparative evidence is lacking for large-scale Randomized Controlled Trials (RCTs) that directly evaluate the specific triple-ingredient cutaneous paste formulation (Tetracaine, Zinc Oxide, Titanium Dioxide) against other topical treatments.

Evidence quality varies across studies, and findings were often mixed when comparing protectants to a placebo base. Because sample sizes were modest in many trials, the statistical certainty of the reported patterns is not as high as that from large studies. These research limitation frames mean that understanding the precise contribution of each ingredient and the product as a whole remains uncertain.

Key Studies & References Haemorrhoids (Piles) - Patient Information Leaflet (Wigan & Leigh NHS Foundation Trust)

Frequently Asked Questions (FAQ)

Common questions about Hemofissural (FAQ)


Q: Is Hemofissural used for external or internal application?

According to the official product information, Hemofissural is strictly for topical application to the anorectal area.

The regulatory procedure defines methods for applying the paste to both external conditions (like fissures and external irritation) and internal conditions, where a cannula is used.


Q: If Hemofissural is a topical product, can it still cause side effects that affect the entire body, like headaches or dizziness?

Official safety documents describe systemic (body-wide) side effects as rare events related to the potential absorption of the anesthetic component.

While most reactions are localized, serious risks related to absorption are documented. Less common effects associated with the active anesthetic that have been reported are headache and dizziness.


Q: Is the temporary burning or stinging sensation upon application a normal reaction to Hemofissural?

Official regulatory information describes transient sensations of stinging or burning at the site of application.

These are classified as common local adverse reactions, which means they are expected and localized to the area where the medicine is applied.


Q: Does Hemofissural have any known interaction with common oral pain relievers?

Official regulatory documentation notes that co-administration with certain oral pain relievers is noted to increase the official risk of a rare blood disorder called methemoglobinemia.

This constraint applies to agents such as acetaminophen, which are classified as Oxidizing Agents.


Q: Is it safe to use Hemofissural at the same time as prescription medications for blood pressure?

Official safety documents require caution for use in patients with pre-existing heart and blood vessel problems.

A specific warning is noted for co-use with Class I Antiarrhythmic Drugs (medicines used to treat irregular heart rhythms) due to the risk of additive systemic effects.


Q: Is it true that fissures often come back even after successful treatment with Hemofissural?

Research documents describe the conditions targeted by Hemofissural, such as anal fissures, as being characterized by fluctuating or episodic manifestations.

This regulatory context acknowledges that periods of heightened symptoms are characteristic of the condition, indicating the possibility of symptom recurrence.


Q: What should I do if the Hemofissural cream doesn't seem to work after the first few days?

The official procedural rules dictate that medical advice is required to be sought if symptoms persist or if the condition worsens while using the medicine.

This instruction is defined by the necessary conditional application method outlined in regulatory documents.


Q: Does the type of formulation (e.g., ointment versus gel) change how Hemofissural works?

The medicine is specifically formulated as a cutaneous paste.

The product information states that this dense, semisolid base is documented to maximize the adherence of the active components to the treatment site, which helps to prolong the duration of the pain-blocking effect.


Q: Are patients with low blood pressure restricted from using Hemofissural?

Official safety information documents list hypotension (low blood pressure) as a potential systemic side effect related to the anesthetic component.

The regulatory profile requires caution for use in patients with pre-existing heart and blood vessel problems.


Q: How quickly should I expect to notice pain relief after using Hemofissural?

The local anesthetic component, Tetracaine, is known in official documentation for its prompt initiation of effect when applied topically.

This molecular action leads to the discontinuation of peripheral nerve impulse conduction, resulting in localized temporary anesthesia.


Q: Can Hemofissural be used in children or adolescents?

The safety and efficacy of Hemofissural are not established for the pediatric population, including children younger than 3 years.

Official safety constraints also note an increased risk of systemic toxicity in premature infants and neonates.


Q: Is Hemofissural safe for use by pregnant or breastfeeding individuals (for informational purposes)?

Official documentation indicates a restriction of use during Pregnancy and Lactation.

This is because the safety status is not established due to a documented lack of adequate and controlled safety studies.


Q: If I accidentally get Hemofissural in my eyes or mouth, what general steps should I take?

Official warnings advise keeping the product strictly out of the eyes. If eye contact occurs, the required procedure is described as immediately rinsing the area with water.

If the product is swallowed, official instructions require that medical help or a Poison Control Center be contacted without delay.


Q: How does Hemofissural help with the itching associated with anal fissures?

The formulation is intended to provide symptomatic relief for a cluster of symptoms, including pain and itching (pruritus).

The Zinc Oxide and Titanium Dioxide components form a physical barrier to soothe and safeguard irritated tissue, which helps reduce friction and moisture.


Q: Can Hemofissural be used for other anorectal conditions like hemorrhoids as well?

Hemofissural is officially classified within the pharmacological category of an Anti-Hemorrhoidal Preparation.

Furthermore, the active components have been evaluated in research studying the symptomatic relief of hemorrhoids.


Q: What is the appropriate way to store Hemofissural (e.g., at room temperature or refrigerated)?

The required storage temperature is specified as below 25 C to maintain product integrity.

Official instructions state the medicine is required to be kept out of the sight and reach of children and protected from excessive heat and direct sunlight.

How should Hemofissural be stored and disposed of?

The official regulatory requirements dictate how Hemofissural cutaneous paste must be stored to maintain its integrity and safety, and how it must be disposed of once no longer needed.

Storage and Product Stability

The required storage temperature is below 25 C. The medicine must be kept out of the sight and reach of children. Usage is strictly prohibited after the expiration date printed on the outer packaging, and the product should not be used if there are visible signs of deterioration.

Disposal Instructions

Official regulations prohibit the disposal of this medicine down the drain or into household waste. When disposing of unused or expired product, the required procedure is to ask a pharmacist how to safely throw them away, ensuring proper compliance with local pharmaceutical waste disposal protocols.

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

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