Tetmosol

Quick links to important sections

Tetmosol

Treatment option:

Medically reviewed

Marina Burgos

Last updated on 10/01/2026

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 Tetmosol

Quick Facts

Property Description
Active ingredient Sulfiram (Monosulfiram)
Form Medicated Soap, Topical Solution
Pharmacological class Ectoparasiticide
General purpose Management of parasitic skin conditions
Origin Synthetic (Organosulfur compound)

What Type of Medicine is Tetmosol (Sulfiram)?

Tetmosol is a proprietary medicinal entity defined by its active pharmaceutical ingredient, Sulfiram, which is also chemically known as Monosulfiram. It is classified as an ectoparasiticide, meaning its therapeutic action is specifically aimed at eliminating parasites that infest the outer surface of the body. Sulfiram is a synthetic agent belonging to the organosulfur chemical class, formulated exclusively for topical administration on the skin. Its classification within the ectoparasiticides is used for addressing infestations, offering a traditional therapeutic approach.

Composition and Available Forms of Monosulfiram

Tetmosol's efficacy is centered on Monosulfiram, which is used as the single active ingredient in its available external preparations. The product’s distinguishing feature is its primary presentation as a Medicated Soap, which provides a vehicle for application, simplifying the cleansing and treatment process. While a more concentrated Topical Solution is utilized in some regions, the soap form has established a unique positioning, often available as an over-the-counter (OTC) product. Monosulfiram acts to control certain external infestations, with the capacity to eradicate the target organisms responsible for highly contagious skin conditions.

General Purpose and Action of this Ectoparasiticide

The general purpose of Tetmosol is to alleviate the discomfort and progression of skin conditions by exerting a targeted insecticidal action against surface parasites, such as the scabies mite (Sarcoptes scabiei). This specific action on the causative organism makes it suitable for use in typical household scenarios where parasitic transmission is a concern. The anti-parasitic property is complemented by a basic antiseptic and cleansing effect, which contributes to the general relief of intense itching and irritation by addressing the underlying cause—the presence of the external organism.

What side effects are possible with Tetmosol?

Possible Side Effects and Safety Information for Tetmosol

This section outlines the officially documented adverse reactions and safety constraints for Tetmosol (Monosulfiram 5% w/w), strictly based on authoritative government regulatory information.

Adverse Reaction Scope

The most commonly reported adverse reactions are localized to the application site, classified primarily under Skin and Subcutaneous Tissue Disorders.

Category Documented Reactions
Common Skin irritation, local redness (erythema), burning sensation, or mild itching.
Rare Severe allergic or hypersensitivity reactions, including severe rash and swelling, requiring immediate medical attention.
Systemic Rarely, signs like headaches or dizziness may occur due to significant over-exposure or accidental ingestion.

Safety-Related Restrictions and Constraints

The official labeling defines specific limits and situations that require particular caution:

  • External Use Only: The product is strictly for external use; contact with eyes, mouth, and other mucous membranes must be avoided.
  • Broken Skin: Do not apply Tetmosol to broken skin, wounds, or cuts. Application should be deferred until the skin has healed.
  • Duration of Use: Prolonged use may contribute to skin dehydration or increased local irritation. Use should be discontinued if irritation persists or worsens.

Population-Specific Safety Notes

Consultation with a healthcare provider is officially required for specific user groups:

  • Pregnancy and Lactation: Use by pregnant or breastfeeding women is restricted and should only occur under a doctor's guidance.
  • Pediatrics: Use in children must be supervised by a healthcare professional (Paediatrician).

Overdose and Emergency Response

The official overdose profile for Sulfiram (Monosulfiram) is strictly defined by the severe systemic toxicity that occurs following the accidental ingestion of the topical solution, which contains alcohol. This reaction, distinct from routine topical use, critically affects the Cardiovascular and Respiratory systems.

Feature Official Regulatory Statement
Documented overdose presentations The systemic reaction following ingestion includes Flushing, Headache, Dizziness, Nausea, Vomiting, Drowsiness, or Sleep.
Physiological systems affected (as stated in label) Critical effects noted are Tachycardia, severe Hypotension, Dyspnoea, and the documented risk of Myocardial ischaemia.
Emergency-response statements (as written in official documents) Symptomatic measures are required, including the supply of oxygen and the controlled management of the blood pressure.

Overdose classifications (high-level)

The severity is classified as severe and potentially fatal due to the documented risk of Myocardial ischaemia. This profile is constrained to the context of accidental ingestion of the alcohol-containing topical formulation.

Resulting overdose structure

Official overdose statements:

  • The reaction can rapidly progress to Hypotension and potentially fatal Myocardial ischaemia, necessitating urgent care.
  • Management protocols mandate the use of cardiac stimulants and intravenous administration of supportive agents like ascorbic acid and sodium thiosulphate.
  • No specific antidote is explicitly documented in the official regulatory information.

Connection to the overall overdose profile (2–4 sentences): The regulatory documents define the overdose profile by detailing the severe systemic and potentially fatal cardiovascular complications that follow accidental oral intake. The required help-seeking conditions are established by the documented risk of Myocardial ischaemia, mandating immediate attention and complex symptomatic and supportive treatment (including blood pressure control) as described in the official management protocols.

Therapeutic Uses of Tetmosol

Main Uses of Tetmosol

Tetmosol is a medicated treatment primarily used for the management of skin conditions caused by parasitic infestations. Its active ingredient, monosulfiram, possesses ectoparasiticidal properties, making it effective against specific organisms that inhabit the skin.

Scabies Management

The primary clinical use of Tetmosol is the treatment of scabies. Scabies is a skin infestation caused by the microscopic mite Sarcoptes scabiei. These mites burrow into the upper layer of the skin to live and deposit eggs, leading to intense itching and a pimple-like skin rash. Tetmosol works by acting as a toxic agent to the mites, helping to eliminate the infestation from the host's skin.

Related Skin Parasites

In addition to scabies, Tetmosol may be used to address other similar ectoparasitic conditions. This includes the management of head and body lice infestations. By targeting the nervous systems or metabolic processes of these parasites, the medication helps clear the skin and hair of active organisms.

Benefits and Efficacy

Relief from Itching

By addressing the underlying cause of the infestation—the parasites themselves—Tetmosol helps alleviate the secondary symptoms associated with these conditions. The most significant benefit for patients is the reduction of persistent itching (pruritus), which is often worse at night and can lead to sleep disruption and skin damage from scratching.

Prevention of Secondary Infections

Infestations like scabies often lead to intense scratching, which can break the skin barrier and create an entry point for bacteria. By effectively treating the primary parasitic infestation, Tetmosol plays a role in reducing the risk of secondary bacterial skin infections, such as impetigo or folliculitis.

Skin Hygiene Support

Tetmosol is often formulated in a soap base, which allows it to be integrated into regular cleansing routines. This formulation helps maintain skin hygiene while delivering the active medication to the affected areas, supporting the overall recovery of the skin's health and integrity.

Regulatory References

  1. NIH National Library of Medicine

Eligibility and Restrictions for Use

The eligibility profile for Monosulfiram (Tetmosol) is strictly defined by regulatory documentation, specifying who can use the product and listing populations for whom use is restricted or prohibited.

Population Eligibility Status Specific Constraint
Adults and Children Generally permitted for use. Use must be avoided on broken, inflamed, or severely affected skin.
Infants Not recommended below 2 months. Use for infants must be specifically guided by a medical professional.
Known Allergy Contraindicated (Must not use). History of hypersensitivity or idiosyncratic response to the active ingredient.
Pregnant/Lactating Women Safety not established. Use during these periods is not established and should occur under medical supervision.

Use is strictly contraindicated in any individual with a documented allergy or hypersensitivity to Monosulfiram. Use is also prohibited on skin that is broken, inflamed, or suffering from severe skin conditions. While the product is generally suitable for adults and children, it is not recommended for infants under two months of age. A core restriction for use involves mandatory abstinence from alcohol for at least 48 hours following whole-body application. For women who are pregnant or breastfeeding, safety and efficacy have not been established by regulatory review.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The interaction profile for Tetmosol, which contains the active ingredient Sulfiram (Monosulfiram), is principally defined by a critical restriction involving the consumption of alcohol. This restriction is classified in regulatory documents due to the close chemical relationship between Monosulfiram and Disulfiram, which poses a risk of a severe systemic interaction.

This specific substance-drug interaction, known as the disulfiram-like effect, is mediated by the accumulation of acetaldehyde in the body following systemic exposure to both Monosulfiram and ethanol. This accumulation is officially documented as the basis for the constraint.


To manage this risk, official regulatory documents enforce a mandatory timing separation rule. Alcohol consumption must be strictly avoided before application and for a period of at least 48 hours following the final application of the Sulfiram-containing product. This separation window is required to ensure the systemic constraint is respected.

Regarding interactions with other medicinal products, the regulatory prescribing information for the topical Monosulfiram formulation is narrowly defined. Official sources state that there are no known drug-drug interactions that are currently well documented.

Mechanism of Action

Modulation of Parasite Neurological Signaling

Monosulfiram acts within domains influencing the essential physiological processes of ectoparasites, specifically mites. The molecule engages mechanisms that regulate neurological signaling in these organisms, functioning as an inhibitor of crucial enzymes. This primarily involves the inhibition of acetylcholinesterase, an enzyme necessary for terminating nerve impulses. The suppression of acetylcholinesterase activity causes the accumulation of the neurotransmitter acetylcholine at the synaptic cleft. This sustained overstimulation of the ectoparasite's central nervous system initiates a signaling sequence that leads to paralysis of the targeted organisms. The culmination of this physiological sequence is the cessation of organism viability.


Interference with Cellular Metabolic Pathways

The compound also modulates pathways associated with the survival of various micro-organisms, including certain fungi and bacteria. Monosulfiram interferes with general metabolic processes and the synthesis of essential cellular components, such as the fungal cell membrane. This molecular interaction alters cellular permeability, inhibiting cell growth. This process disrupts cellular maintenance pathways, leading to the inhibition of cell proliferation across the targeted microbial populations.

Dosage and Administration Information

Tetmosol Medicated Soap, containing Monosulfiram 5%, is intended for external use only in the prophylaxis and treatment of certain contagious skin conditions such as scabies. It is important to adhere to the directions for use provided on the product packaging or as prescribed by a healthcare professional.


General Application for Scabies Treatment

For best results, Tetmosol is typically used in place of ordinary toilet soap daily for the recommended treatment period:

  1. Preparation: Wet the body thoroughly with water, ideally warm water. The soap is generally applied to the entire body from the neck down, but can also be used on the scalp.
  2. Application: Lather the soap liberally, ensuring complete coverage, and gently massage the lather into the skin for a few minutes. Pay particular attention to skin folds, as these are common areas for infestation.
  3. Drying: Allow the lather to remain on the skin for as long as possible before rinsing it off. After rinsing, the body should be allowed to dry naturally or gently dried with a towel using a blotting action, avoiding vigorous rubbing.

Important Considerations

Guideline Detail
Treatment Period Continue daily use for the duration specified by a healthcare professional or as long as the risk of infection remains. Complete the full course even if symptoms improve.
Hygiene Simultaneously wash all clothing, towels, and bedding used by the affected person in hot water to eliminate mites and prevent re-infestation. All close contacts and household members may need to be treated concurrently.
Precautions Avoid contact with eyes, mouth, and other mucous membranes. If accidental contact occurs, rinse immediately with plenty of water. Do not use on broken or inflamed skin unless directed by a physician.
Alcohol Due to a chemical relationship between Monosulfiram and Disulfiram, patients are advised to abstain from alcohol consumption before and for at least 48 hours after application to the whole body, as a precaution.

Recent Clinical Evidence

Research Evidence Overview of Studies for Tetmosol

Studies exploring Monosulfiram soap as an ectoparasiticide were conducted in the context of skin conditions associated with Sarcoptes scabiei infestation (scabies), using various research formats, including comparative studies against other topical agents, observational field studies, and community-based intervention models. Research explored individuals in general adult and child populations, often within endemic areas, who were included based on the study criteria for scabies. The main outcomes research monitored included measurements of mite or lesion counts, and patient-reported outcomes describing perceived discomfort, specifically pruritus. The studies monitored outcomes over defined time intervals, with typical follow-up durations being short-term, generally spanning two to four weeks.


Research on the Antiseptic and Cleansing Properties

Monosulfiram was studied in the context of its properties beyond parasitic infestation, specifically for its potential role related to cleansing. Research examined the compound using in vitro (laboratory) studies, which means the testing was done on isolated bacterial strains, not directly on human skin or in clinical groups. The main outcome studies monitored was the ability to inhibit the growth of certain common skin bacteria in a controlled setting. Findings describe patterns observed in the studies that suggest Monosulfiram possesses properties relevant to bacterial inhibition. However, this type of research contributes to the broader evidence landscape by showing the basic nature of the compound, but data for certain groups remain insufficient to draw conclusions about its direct clinical impact on preventing secondary skin infections in humans.


What Is Still Uncertain About Tetmosol Studies

While evidence contributes to understanding symptom patterns, there are several limitations that currently exist in the research landscape for Monosulfiram. Comparative research remains insufficient, specifically the absence of recent, large-scale Randomized Controlled Trials (RCTs) that compare the Monosulfiram medicated soap formulation against established therapeutic options. Additionally, many of the studies were observed in contexts that are now several decades old, or they reflect outcomes from specific geographic or community-based settings. These gaps mean that the certainty remains low for some aspects of the compound’s pharmacological profile, and more research is needed to provide clearer context.

Key Studies & References WHO Model List of Essential Medicines (Relevant sections on ectoparasiticides)

Frequently Asked Questions (FAQ)

Common questions about Tetmosol (FAQ)

Q: What is the main use of Tetmosol soap?

Tetmosol soap is primarily indicated for the treatment and prevention of scabies, a contagious skin condition caused by mites. It is also used to address other associated skin issues like rashes, redness, and itching, as advised by a healthcare provider. The active ingredient in the soap is Monosulfiram (sometimes called Sulfiram).

Q: Can Tetmosol be used by children and adults?

Yes, the product is generally considered suitable for use by both children and adults as part of a treatment regimen for scabies and other skin issues. However, it is essential to always follow the specific guidance and prescription provided by a doctor, especially when using it for children.

Q: How should I use Tetmosol soap?

Tetmosol soap is used for bathing in place of regular soap. The usual recommendation is to lather the soap liberally over the entire body, paying special attention to skin folds, and then rinse off thoroughly with water. The skin should ideally be allowed to air dry or patted dry with a clean towel using a blotting action. It is intended for external use only.

Q: Are there any specific warnings while using this soap?

Yes, there are a few important warnings:

  • External Use: The soap is for external use only. Avoid contact with the eyes, mouth, wounds, or broken skin.
  • Alcohol: Due to the chemical relationship between Monosulfiram and Disulfiram, some sources advise abstaining from alcohol before and for at least 48 hours after application to the whole body. Consult your doctor for specific advice.
  • Allergy: Do not use Tetmosol if you are allergic to Monosulfiram or any other ingredients, particularly sulphur compounds.

Q: Can pregnant or breastfeeding women use Tetmosol?

The safety and efficacy of Tetmosol in pregnant and breastfeeding women have not been firmly established. Therefore, it is generally recommended that women who are pregnant or breastfeeding should consult a healthcare provider before using this soap to assess the potential risks and benefits.

Q: What should I do if my symptoms do not improve after using the soap?

If your skin condition worsens or does not improve even after using the soap as directed by your doctor, you should consult your healthcare provider for a reassessment of your diagnosis and treatment plan.

How should Tetmosol be stored and disposed of?

How to Store and Dispose of Tetmosol

Official regulatory guidelines dictate specific environmental controls for storing Tetmosol products to ensure stability. Cream formulations must be stored at a temperature below 25°C (77°F). All forms must be protected from moisture, sunlight, and heat.

Handling and Safety Requirements

Tetmosol must be stored out of the sight and reach of children and pets for safety. The solution form carries a flammability warning and must be kept away from a naked flame.

Disposal Instructions

Unused or expired Tetmosol should be discarded properly. The preferred method is using an authorized drug take-back program. If not available, the medicine may be mixed with an undesirable substance, placed in a sealed container, and discarded in the household trash, following the recommended official procedure.

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

Available in countries:

Equivalent of Tetmosol found in:

A-Z Index: