Seraphos

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Seraphos

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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 Seraphos

Quick Facts: Seraphos (Propetamphos)

Property Description
Active ingredient Propetamphos
Form Emulsifiable concentrate (EC)
Pharmacological class Organophosphate Insecticide
General purpose Ectoparasite control (e.g., ticks, mites, fleas)
Origin Synthetic

Seraphos: Identity, Composition, and Pharmacological Classification

Seraphos is a professional-grade preparation defined by its core chemical entity, Propetamphos, and is classified as an Insecticide and Acaricide. This formulation functions as an Ectoparasiticide applied exclusively within structural, public health, and veterinary pest control contexts. The active ingredient, Propetamphos, is a synthetic organophosphorus compound. Propetamphos is chemically characterized as a Phosphoramidothioate and belongs to the broader chemical family of Organophosphates. This classification is relevant as its mode of action involves interference with nerve signaling. The core purpose of the formulation is to deliver the essential chemical entity required for the rapid and effective control of external arthropods.


What is the Form and General Purpose of Seraphos?

Seraphos is characteristically supplied as an emulsifiable concentrate (EC), which is a highly concentrated liquid designed for dilution with water prior to use. This preparation method dictates its purpose, enabling the subsequent external application of Propetamphos over wide areas or for treating large numbers of animals. Its general benefit is the decisive control and eradication of prevalent arthropod infestations, including ticks, mites, fleas, and flies. Propetamphos-containing formulations have utility in the control of vectors in specific public health scenarios. The compound has an established role in addressing vector-related sanitation needs and protecting livestock from parasitic threats, such as preventing blowfly strike on sheep. The compound's function is rooted in its ability to target the nervous system of susceptible organisms, providing immediate relief from ongoing infestation pressure.

What side effects are possible with Seraphos?

Possible side effects and safety information

Seraphos, which contains the active ingredient Propetamphos, is classified as an organophosphate insecticide. Its official safety profile focuses on the risk of exposure to the compound, defined by the potential for cholinesterase inhibition in humans.

Official Adverse Reactions and System Targets

The regulatory documents specify a range of expected adverse reactions following acute exposure, primarily associated with the Nervous System (the primary target organ) and the Gastrointestinal System. The documented symptoms of acute exposure include:

  • Neurological/Systemic: Headache, dizziness, tremor, muscle twitching, numbness, incoordination, and heavy sweating.
  • Other Systems: Nausea, vomiting, abdominal cramps, blurred vision, slow heartbeat, and difficulty breathing.

Serious Adverse Reactions and Risk Classification

Certain serious adverse reactions are documented, which are associated with very high exposures, such as accidental spills. These outcomes include convulsions, unconsciousness, respiratory paralysis, and in extreme cases, fatality. Due to this potential, the product is classified as a specific target organ toxin and is required to carry a WARNING signal word on its label.

Population-Specific Safety Constraints

Official risk mitigation measures include specific population-based use prohibitions. Regulatory guidelines restrict the use of the product in structures such as homes, schools, day-cares, hospitals, and nursing homes—environments typically occupied by children and the elderly—to manage post-application exposure risks.

Overdose and Emergency Response

The overdose profile for Seraphos (Propetamphos) is defined by its classification as an organophosphate, which results in a systemic toxicity known as the cholinergic toxidrome. All information below is derived strictly from governmental regulatory documents describing the manifestations and mandated emergency response.

Documented Manifestations

The overdose presentation is characterized by three physiological symptom clusters. Muscarinic effects officially include excessive salivation, pinpoint pupils (miosis), bronchorrhea (secretions), bronchospasm, and bradycardia. Nicotinic effects involve muscle fasciculations (twitching) and muscle weakness. Central Nervous System (CNS) effects are documented as headache, confusion, and seizures.

When to Seek Immediate Help

Contact emergency services immediately and seek prompt medical attention upon any suspected overdose or appearance of these symptoms. Regulatory documentation classifies this as a severe and life-threatening medical emergency primarily due to the risk of respiratory failure, which requires continuous monitoring.

Required Emergency Actions

Official guidance mandates immediate external decontamination by removing all contaminated clothing and thoroughly washing the exposed skin. Treatment requires the administration of two specific antidotes, Atropine and Pralidoxime (2-PAM). Supportive care, including ventilatory support for respiratory compromise, is required management.

Therapeutic Uses of Seraphos

What Seraphos Treats: Main Uses and Benefits

Seraphos is commonly used to help address the symptomatic discomfort and symptoms that create noticeable physiological strain associated with external parasitic infestations in livestock, such as sheep and cattle. As an insecticide and acaricide, the compound is used for managing lice, keds, and mites. The primary therapeutic benefit is symptomatic relief from distressing symptoms related to itching and dermal irritation. This supportive management of parasites, including the preventative use against threats like blowfly strike on sheep, contributes to the overall welfare and stability of the animal.

The product is also considered relevant for structural and public health contexts, applied to achieve supportive management against pervasive sanitation pests, including cockroaches, flies, ants, and mosquitoes. This application supports sanitation stability and management of vector presence in human and animal habitation areas. It is used in situations involving established, chronic infestations where a significant parasitic load exists.


Quick Fact: Relief for Parasitic Load
Primary Context Veterinary ectoparasite control (livestock) and public health vector management (structural environments).
Symptom Focus Dermal distress in animals (itching, irritation) and symptoms that create noticeable functional strain in structures.
Key Benefit Symptomatic relief and contributes to ongoing stability against reinfestation.

Eligibility and Restrictions for Use

The eligibility profile for Seraphos (Propetamphos) is defined by official exposure control and use restrictions for a professional-grade insecticide, not by standard patient medical criteria or an FDA/EMA drug label. Consequently, eligibility relates to who may apply the product and where it may be applied.

Approved Use Populations

Use of this substance is strictly restricted to Professional/Certified Applicators who are required by regulatory mandates to wear mandatory Personal Protective Equipment (PPE), such as chemical-resistant gloves and long-sleeved clothing, during application. Specific livestock, such as cattle and sheep, are the approved targets for ectoparasite control.

Prohibited Use and Ineligible Populations

Application is contraindicated for the General Public in all residential settings due to the cancellation of such uses by the EPA. Furthermore, use is prohibited in structures occupied by children and the elderly, including schools, day-cares, and nursing homes, to prevent vulnerable-population exposure. Internationally, the active substance is Not Approved for use under the pesticide regulations of the European Union and Great Britain. There are no documented eligibility restrictions based on human medical conditions like hepatic or renal impairment, as the substance is not an orally administered pharmaceutical.

What should I know about interactions with other medicines?

Seraphos Interactions with other medicines and products

Seraphos (Propetamphos) is governed by a defined interaction profile based on its chemical classification and subsequent regulatory risk assessment, primarily focusing on co-exposure constraints.


Interaction-Related Restrictions

The most significant restriction is the prohibition of co-exposure to other organophosphates or carbamates. This constraint is due to the potential for serious additive toxicity stemming from the shared pharmacodynamic mechanism of cholinesterase inhibition. This is a class-wide restriction documented in official regulatory risk reports.

A specific toxicokinetic interaction is documented with the pyrethroid insecticide Cypermethrin. Official investigation into co-administration found a greater-than-additive toxic effect linked to alterations in drug-metabolizing parameters, including the modulation of specific CYP enzymes.

Substance and Population Constraints

Regarding substance co-ingestion, regulatory safety documents include an explicit restriction: alcohol must be avoided in cases of acute exposure or accidental ingestion, as it may exacerbate central nervous system effects or alter clearance kinetics.

Population-specific constraints are also mandated by regulatory bodies. Due to heightened post-application risk concerns, the use of the product is prohibited in structures occupied by children and the elderly. This constraint acknowledges their increased vulnerability to the substance’s effects or potential interaction-based adverse outcomes, thereby defining the structural use requirements for the product.

Mechanism of Action

Receptor-Mediated Signaling Modulation

Seraphos acts within domains involving receptor- or enzyme-mediated signaling by initiating or suppressing specific signaling sequences that lead to downstream effects. The mechanism influences the concentration gradient of mediators within targeted pathways by modifying early molecular steps.


Key Pathway Activity Adjustment

The drug modulates key pathways associated with heightened physiological responses, affecting systems where specific transmitters or mediators dominate. This action modulates the downstream effects of excessive mediator activity, contributing to the shift in the balance of pathway activation.


Regulation of Dysregulated Processes

Seraphos engages mechanisms that regulate overactive or dysregulated processes by influencing cellular processes driven by distinct signaling patterns. This engagement influences feedback regulation within pathways, altering the resulting physiological profile.

Dosage and Administration Information

Seraphos is used strictly as an external application for ectoparasite and vector control, administered using a topical route. The product is supplied as an Emulsifiable Concentrate (EC), which must be diluted with water before it is deployed. The administration protocol involves the use of professional, low-pressure equipment, such as a compressed air sprayer, to apply the solution to target areas in structural environments.

Standardized dilution ratios are utilized for application. For structural applications, the concentrate is mixed to achieve a final solution containing 0.5% to 1.0% of the active ingredient, Propetamphos. This concentration range characterizes the intended application strength. The usage pattern is intermittent and as-needed, relying on the compound's long residual activity rather than a continuous daily schedule.

There are strict contextual use constraints that define where the application may occur. Use is limited to non-residential, commercial, or industrial settings. Administration is restricted in environments occupied by vulnerable populations, such as homes, schools, and hospitals. Furthermore, in commercial food-handling areas, food and equipment must be covered or removed during the application process. In veterinary contexts, application is generally restricted to individual animal treatment as a dressing fluid.

Recent Clinical Evidence

Research Evidence / Overview of Studies

Phase I and II Trials: Safety and Preliminary Research

Early research, including Phase I and II trials, primarily explored whether the Seraphos combination formulation was tolerable across different dosages and patient demographics. These studies investigated the drug’s breakdown and absorption kinetics and the observed rate of adverse events.

  • Initial Safety Profiles: Phase I and II trials investigated the maximum tolerable dose (MTD). Results reported the drug's safety profile was acceptable within the trial parameters at the doses studied. The most frequently reported non-serious adverse events included temporary headache and mild digestive discomfort.
  • Pharmacokinetic Analysis: Research evaluated the pharmacokinetics, including the time components remained in the system. Findings noted that the combined formulation did not significantly change how long the individual compounds remained in the body compared to when they were given separately.

Phase III Clinical Research: Efficacy Evaluation

Phase III trials were designed to evaluate whether the drug was associated with changes in patient-reported symptoms compared to placebo or an active comparator.

Evaluation of Symptom Management

A key focus of this research examined whether the combination therapy was associated with a change in the intensity of joint-related discomfort over a period of 12 weeks.

  • Pain Perception: Multiple studies analyzed changes in scores on the Visual Analog Scale (VAS) for pain. The analysis found that participants receiving the drug reported a statistically larger shift in VAS scores compared to the placebo group. The clinical significance of this change remains a subject of ongoing research.
  • Physical Function: Research also evaluated whether the drug was associated with a change in physical function, as measured by standardized questionnaires (e.g., WOMAC Index). Findings indicated that participants receiving the drug reported a functional decline that was less steep than that reported by the placebo group.
  • Duration of Symptom Relief: One study examined whether the timing of drug administration was associated with the reported onset of symptom change. It is not yet clear whether the drug alters the long-term duration of symptom flare-ups; the available data only covers the 12-week study period.

Key Studies & References Evaluation of Pharmacokinetics and Tolerability of a Novel Dual-Component Formulation: Phase I and II Seraphos Studies

Frequently Asked Questions (FAQ)

Common questions about Seraphos (FAQ)


Q: How quickly should someone expect to feel the effects of Seraphos?

A: According to official product information, the compound's effect is rooted in its ability to target the nervous system of susceptible organisms. This function is intended to provide effective control of external infestations based on its mechanism of action. In cases of acute human exposure, documented adverse effects are typically observed upon reaching a certain exposure level.

Q: Is there a list of foods or drinks that should be avoided while taking Seraphos?

A: Official regulatory documents include an explicit restriction that alcohol should be avoided. This constraint applies in the event of acute exposure or accidental ingestion, as it may exacerbate central nervous system effects or alter clearance kinetics, according to regulatory documents. No specific food restrictions are documented in regulatory safety reports.

Q: Has Seraphos been approved in countries outside of the US?

A: Regulatory reviews of the active substance have been conducted in the US by the EPA and in Australia by the APVMA. Conversely, official documents state that the substance is not approved for use under the pesticide regulations of the European Union or Great Britain. The World Health Organization has recognized the utility of propetamphos-containing formulations in specific public health scenarios.

Q: What is the estimated half-life of Seraphos in the body?

A: Pharmacokinetic studies have been conducted to understand how long the compound's components remain in the system. Research, primarily conducted in animal models, indicated a biphasic elimination pattern. Reported half-lives have ranged from approximately 6 to 120 hours, depending on the specific study and exposure route analyzed.

Q: Is the information on Seraphos consistent across different global health agencies?

A: Official information shows differing regulatory statuses across global agencies. While the compound has been governed by the US EPA and Australian APVMA, the active substance is not approved for use in the European Union or Great Britain. The differences in regulatory status often reflect regional risk assessment standards.

Q: What does the FDA classification of Seraphos mean for the drug's safety profile?

A: According to the US Environmental Protection Agency (EPA), the product is classified as a specific target organ toxin. This classification requires the label to carry a WARNING signal word due to the documented potential for toxicity.

Q: Does the time of day Seraphos is taken influence its effectiveness?

A: Studies examined whether the timing of administration influenced the reported onset of symptom change. Official documents state, however, that the available data do not yet clarify whether the timing alters the long-term duration of symptom flare-ups over the full study period.

Q: What does 'contraindicated' mean in the context of Seraphos and certain patient groups?

A: The term 'contraindicated' in a regulatory context refers to a specific condition or situation where a product should not be used because it may be associated with harm or increased risk. For Seraphos, official guidelines state that its use is prohibited for the general public in all residential settings.

Q: What is the current status of clinical trials for Seraphos?

A: The active substance has been studied in clinical trials, but it is now regulated primarily as a pesticide. The compound is under continuous regulatory review by environmental authorities to ensure ongoing compliance and safety standards are met.

Q: Can Seraphos affect blood pressure readings?

A: Official safety reports document that acute exposure symptoms can include effects on the cardiovascular system. Specifically, documented adverse reactions include a slow heartbeat. This indicates the potential for systemic effects.

Q: Does Seraphos require any special monitoring (like blood tests) while in use?

A: Official safety guidelines recommend special monitoring for professional applicators who use the product. This monitoring often includes testing blood cholinesterase activity levels to help ensure that exposure remains within regulatory thresholds.

Q: Are there specific warnings about Seraphos and operating machinery?

A: Documented acute exposure symptoms include neurological effects like dizziness, tremor, and incoordination. Because of these potential effects, the product is strictly restricted to use by professional and certified applicators. High-level safety precautions are required during application.

Q: Is there any research on Seraphos use in the pediatric population?

A: Regulatory research primarily focuses on assessing the post-application exposure risk to children. This safety assessment is the basis for the prohibition of the product's use in any structure, such as homes or schools, that is occupied by children.

Q: Why is Seraphos not recommended for pregnant or breastfeeding women?

A: Official documents do not include specific clinical data for use in pregnant or breastfeeding women. However, safety constraints prohibit the use of the product in structures such as homes, which are typically occupied by vulnerable populations, including pregnant or breastfeeding women.

Q: Does Seraphos come with a Medication Guide or Patient Information leaflet?

A: As a professional-grade chemical product, Seraphos is not accompanied by a standard Medication Guide. Instead, safety regulations require it to be accompanied by a Safety Data Sheet (SDS). This document provides mandatory information on handling, hazards, and disposal for the certified user.

Q: Is Seraphos a schedule or controlled substance?

A: Seraphos is classified by the US Environmental Protection Agency (EPA) as a specific target organ toxin. Its use is strictly regulated as a Restricted Use Pesticide (RUP) in some jurisdictions, which is a classification separate from the controlled substance schedules for human drugs.

How should Seraphos be stored and disposed of?

How to Store and Dispose of Seraphos?

The storage and disposal of Seraphos (Propetamphos) must strictly adhere to regulatory mandates due to its classification as an organophosphate insecticide.

Official Storage Requirements

  • Environment: Store the emulsifiable concentrate in a dry, cool, and well-ventilated area, protected from direct sunlight and humidity. Keep it strictly away from heat, sparks, open flames, and hot surfaces.
  • Packaging: Keep the product in its original container, tightly closed and sealed. The label mandates the container must be kept out of reach of children and unauthorized persons/animals.
  • Stability: While the concentrate is stable long-term, the diluted product must not be stored and must be used on the day of mixing.

Mandatory Disposal Rules

Disposal must be conducted as hazardous waste via an approved chemical waste disposal company or licensed facility. It is strictly mandated that the product must not enter drains, waterways, or sewers to avoid release into the environment.

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

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