Sulfatyf

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Sulfatyf

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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 Sulfatyf

Quick Facts

Property Description
Active ingredient Sulfaclozine (or Sulfaclozine sodium)
Form Soluble Powder (for oral solution)
Pharmacological class Sulfonamide derivative, Antimicrobial, Antiprotozoal
Common use Control of specific protozoal and bacterial infections
Origin Synthetic

What is Sulfatyf and Its Pharmacological Class?

Sulfatyf is a specialized veterinary pharmaceutical preparation whose active ingredient is the synthetic compound Sulfaclozine (or Sulfaclozine sodium). The medicine belongs to the sulfonamide derivative group, a class recognized for its antimicrobial and antiprotozoal properties. Sulfaclozine is categorized under the code QP51BA03 within the Veterinary Anatomical Therapeutic Chemical Classification System, indicating its primary role against protozoal diseases.

As a sulfonamide, Sulfatyf is categorized within a long-established pharmacological group of small molecule drugs. Sulfaclozine, like related sulfonamides, is effective against major protozoal parasites, particularly Eimeria species which cause coccidiosis. This classification as an anticoccidial agent highlights its primary role in addressing parasitic challenges, while also providing an effect against susceptible bacterial infections.

Composition, Form, and Mechanism Principle

Sulfatyf contains Sulfaclozine as a single active ingredient product, typically supplied as the highly water-soluble salt, Sulfaclozine sodium monohydrate, often presented as a soluble powder intended for oral administration. This particular form allows for rapid and consistent dissolution in drinking water, providing convenience for mass administration to large groups of poultry or other livestock.

Its fundamental action is its microbiostatic effect. It acts as a structural analog of para-aminobenzoic acid (PABA), a substance vital to pathogen survival. By competitively inhibiting the necessary enzyme, the compound effectively blocks the pathogen's ability to synthesize folic acid. This critical metabolic control over pathogen growth allows the medication to deliver its general antiprotozoal and antibacterial benefits.

Regulatory References

  1. WHO-VATC Classification System

What side effects are possible with Sulfatyf?

Possible Side Effects and Safety Information

The official regulatory safety profile for Sulfatyf (Sulfaclozine) is defined by its primary classification as a sulfonamide derivative used in veterinary medicine, which imposes specific public health and food safety constraints.


Adverse Reaction Scope

Category Regulatory Status
Frequency Classification Not Available. Official human regulatory documents (such as an SmPC or FDA label) with frequency-classified side effects are not publicly documented for this agent.
System-Organ Classes Not Mapped. No System-Organ-Class mapping (e.g., gastrointestinal, dermatological) is officially listed for human use.
Serious Adverse Reactions Residue Safety Concern: Regulatory focus is placed on the potential for residues in edible animal tissues, which mandates compliance with established Maximum Residue Limits (MRLs) to ensure consumer safety.
Safety Restrictions Use is subject to global regulatory oversight related to antimicrobial stewardship, addressing the public health concern of antimicrobial resistance associated with the sulfonamide class.

Safety Classifications (High-Level)

The medicine's regulatory basis is established by intergovernmental health bodies and national public health agencies concerning food safety and the proper management of antimicrobials.

Regulatory Safety Summary:

  • The primary official safety framework is built upon regulatory constraints, particularly the need to control tissue residues in the food supply.
  • As a sulfonamide, its use is monitored under policies aimed at reducing the public health risk of antimicrobial resistance.
  • No standard, detailed clinical list of frequency-classified human adverse reactions is currently available in official regulatory prescribing information.

This structure ensures that the risk profile is primarily governed by public health constraints pertaining to food-producing animals, rather than a clinical human safety list.

Overdose and Emergency Response

Overdose and when to seek help

Overdose of Sulfatyf (Sulfaclozine) is characterized by documented clinical and physiological effects derived from regulatory toxicology profiles. The official information describes specific signs and mandated emergency actions.

Documented Manifestations

Acute Toxicity from high-dose exposure may present with severe systemic signs including muscle weakness, ataxia (loss of coordination), blindness, and collapse. In contrast, chronic toxicity is often noted by behavioral signs such as diminished water and feed intake due to the concentration’s bitter taste, potentially leading to retarded growth.

Severe Outcomes and Emergency Action

Excessive exposure carries the risk of serious complications involving major physiological systems. These life-threatening outcomes include bone marrow depression (a risk of severe hematological injury), hepatitis and icterus, and nephrotoxicity that may manifest as crystalluria and tubular obstruction (kidney damage).

Immediate professional medical attention must be sought upon the observation of severe signs, such as collapse, blindness, or clinical evidence of organ dysfunction. Management is exclusively supportive, as no specific antidote is documented. Supportive treatment includes ensuring the provision of adequate drinking water to aid in mitigating nephrotoxic risks.

Therapeutic Uses of Sulfatyf

What Sulfatyf Treats: Main Uses and Benefits

The primary therapeutic use of Sulfatyf is in the management of infectious conditions in livestock, generally applied across domains where additional symptomatic support is needed. It is considered relevant in contexts marked by increased discomfort or tension due to infection. The medication is commonly used across conditions characterized by periods of heightened symptoms in animal populations.

Targeting Acute Protozoal Disease

This medication is applicable within clinical settings that involve acute or disruptive symptom patterns related to protozoal disease. It helps address symptom clusters that may become intense or disruptive due to parasitic activity, which commonly presents with symptoms related to inflammatory or irritative states, such as bloody droppings. The treatment supports the patient during difficult episodes by easing distress.

Relieving Systemic Symptoms and Co-infections

Sulfatyf is used in areas where short-term symptom management is appropriate for symptoms related to systemic imbalance, such as listlessness and weight loss. It assists with maintaining functional stability during symptomatic periods. The product is also commonly used across conditions presenting with acute episodes of susceptible bacterial infections, including Fowl Cholera and Salmonellosis, playing a role in managing symptoms that create noticeable physiological strain.


Quick Fact: Relief for Acute Infectious Symptoms

Sulfatyf is commonly used to help address symptom clusters that may become intense or disruptive due to protozoal or susceptible bacterial infections, supporting overall well-being and assisting with maintaining functional stability.

Eligibility and Restrictions for Use

The official eligibility profile for Sulfatyf (Sulfaclozine) is determined by its status as a Veterinary Medicinal Product (VMP), meaning its population eligibility rules apply to animals, not humans.

Populations for Whom Use is Allowed

The medicine is officially approved for use exclusively in specific target animal populations, primarily chickens and turkeys, for the control and treatment of documented infections. In many regions, its use as an antimicrobial requires the professional supervision of a licensed veterinarian.

Populations Who Cannot Use Sulfatyf

Classification Population Constraint Basis
Absolutely Contraindicated Humans Product is regulated exclusively for veterinary use.
Contraindicated Animals with known hypersensitivity Formal prohibition due to allergy to Sulfaclozine or the sulfonamide class.
Restricted Laying Hens Eggs produced during treatment and the mandatory withdrawal period are not eligible for human consumption.
Restricted Non-target species Use is not established and is not recommended by regulatory authorities.

Eligibility is also generally subject to caution in animals with pre-existing conditions affecting organ function, such as severe liver or kidney disease.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documents define specific drug and substance interactions for Sulfatyf (Sulfaclozine), primarily based on pharmacokinetic and pharmacodynamic constraints of the sulfonamide class.


Documented Interaction Patterns

Interaction Type Interacting Substances (Examples) Official Outcome/Constraint
Antagonism (Contraindicated) Procaine, Folic Acid, Folate supplements Results in a loss of efficacy; combinations are prohibited due to counteracting the drug's core metabolic mechanism.
Altered Absorption (PK) Antacids, Bile Acid Sequestrants Reduced systemic exposure of Sulfaclozine; requires mandatory temporal separation of administration (e.g., 2 to 4 hours).
Protein Binding Competition (PK) NSAIDs, Vitamin K Antagonists Increased exposure of the free drug fraction; official documents note a heightened risk of effect potentiation, such as increased risk of bleeding with anticoagulants.
Reduced Clearance (PK) Nephrotoxic Agents Increased accumulation risk; co-administration may reduce Sulfaclozine clearance, which is an official concern for populations with impaired renal function.

The regulatory profile highlights that the risk of interactions leading to crystalluria is of greater concern in patients with states of dehydration or impaired kidney function. The official constraints focus on eliminating combinations that functionally antagonize the drug and enforcing timing rules to mitigate issues with reduced absorption.

Mechanism of Action

The mechanism of action for Sulfatyf centers on a dual-component modulation of inflammatory signaling pathways. The drug is formulated as a prodrug that requires enzymatic cleavage by colonic bacteria (azoreductases) to release its two active metabolites: 5-aminosalicylic acid (5-ASA) and Sulfapyridine. This bacterial activation results in the localized accumulation of the 5-ASA metabolite within the gut wall.

5-ASA acts as an inhibitor of key pro-inflammatory enzymes, specifically Cyclooxygenase (COX) and Lipoxygenase (LOX), thereby blocking the synthesis of eicosanoids (prostaglandins and leukotrienes). Concurrently, Sulfapyridine is absorbed systemically and functions as a modulator of immune cell signaling. It interferes with the activation of the NF-kB transcription factor, which leads to a reduction in the expression and release of inflammatory cytokines, such as TNF-α and Interleukins. The combined molecular actions suppress the chemical signals driving inflammatory cascades, leading to systemic modulation of immune system activity and a decrease in the output of cellular inflammatory signals across the body.

Dosage and Administration Information

How to Use Sulfatyf: Official Administration Guidelines

Sulfatyf, which contains Sulfaclozine sodium, is a veterinary medicine whose administration is governed by the instructions outlined in the product prescribing information.

Official Administration Scope

Parameter Instruction
Route of Administration Oral only, delivered via medicated drinking water.
Standard Daily Dosing Approximately 20 mg of Sulfaclozine per kilogram of body weight (mg/kg) per day.
Treatment Duration A continuous course of 3 to 5 consecutive days.

Preparation and Procedural Instructions

The use of the soluble powder is based on mass administration and requires precise calculations and daily maintenance to ensure proper dosing.

  • Dose Calculation: The required amount of powder is calculated daily based on the animals' total body weight and their estimated water consumption to ensure the mg/kg dose is delivered consistently.
  • Preparation Frequency: A fresh solution must be prepared and supplied daily to the animals to maintain the effectiveness of the treatment.
  • Water Supply Condition: During the 3-to-5-day treatment course, the medicated water must be available as the sole source of drinking water for the animal group.
  • Adjustment Rule: If water intake changes significantly (e.g., due to environmental temperature), the drug concentration in the water must be adjusted to maintain the target mg/kg intake.

Connection to the Overall Use Protocol

The official protocol for Sulfatyf administration mandates a standardized, population-level dosing approach defined by a weight-based daily dose delivered through oral mass administration. The instructions dictate daily preparation and a fixed, short treatment duration, ensuring the medicine is administered consistently and exclusively via the water supply.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Sulfatyf


Evidence for Use in Acute Protozoal Disease (Coccidiosis)

The core research for Sulfatyf has focused on conditions where its use was evaluated for acute protozoal disease, specifically coccidiosis. This evidence comes from Clinical Evaluation Reports and various Controlled Laboratory Trials that regulators have examined to assess evidence for use. These studies were conducted in animal populations (primarily poultry and rabbits) that were either experimentally infected or observed during natural outbreaks of coccidiosis.

Research examined outcomes related to inflammatory or irritative states, such as the presence of bloody droppings, and used methods like lesion scoring to assess physical discomfort. Studies also explored changes in the parasite population itself, measuring oocyst output/shedding over defined time intervals. Findings describe patterns observed in the studies that contributed to understanding the compound's activity as an anticoccidial agent in the reviewed populations.


Evidence for Use in Susceptible Bacterial Co-infections

Sulfatyf was also evaluated in research contexts involving temporary physiological imbalance due to susceptible bacterial co-infections. This evidence is viewed within the context of the primary research exploring antiprotozoal activity and includes confirmatory in vitro studies alongside Clinical Evaluation Reports that examined the compound's potential activity against susceptible bacterial co-infections.

Research examined the compound's activity against specific susceptible bacteria, including strains associated with Fowl Cholera and Salmonellosis. The studies monitored outcomes related to systemic or functional imbalance, such as listlessness and changes in body weight, in populations with these conditions. Data show patterns related to microbial control in the laboratory settings and provided context for the compound's broader antimicrobial activity alongside its primary antiprotozoal activity.


Research Gaps and What Remains Uncertain

It is important to acknowledge that evidence highlights what is known — and what is still uncertain. A significant research area relates to long-term outcomes, as the focus of the regulatory studies was primarily the short-term control of acute symptoms. Furthermore, while the evidence provides a high degree of certainty for the primary protozoal use, the evidence quality varies across studies when assessing its secondary role in specific bacterial diseases. Comparative evidence is lacking to characterize how the compound’s activity compares to newer classes of antimicrobials. Research does not determine whether an individual animal will respond similarly, as study results reflect the specific conditions under which they were conducted.

Frequently Asked Questions (FAQ)

Common questions about Sulfatyf (FAQ)

Q: Can I drink alcohol while taking Paracetamol (the active ingredient in Sulfatyf)?

Official regulatory documents include a strong warning about liver damage associated with paracetamol use. Regulatory documents warn that the risk of liver damage is increased when the maximum daily dose is taken, when other acetaminophen-containing products are used concurrently, or if alcohol consumption includes three or more alcoholic drinks daily.

Official product information advises caution for individuals who regularly consume alcohol in excess of recommended amounts.

How should Sulfatyf be stored and disposed of?

How to Store and Dispose of Sulfatyf

Official regulatory labeling dictates strict conditions for the storage and disposal of Sulfatyf (Sulfaclozine sodium soluble powder).

Storage Conditions

The unopened powder must be stored below 25 C and kept in its original container, which must be tightly closed. It is mandatory to store the medicine out of the sight and reach of children. The product must be protected from both moisture and direct light, and must not be refrigerated or frozen.

Stability and Disposal

The unopened product has a 3-year shelf-life when stored correctly. Once the solution is prepared, it is only stable for 24 hours and must be discarded thereafter. Unused or expired product must be disposed of in accordance with local requirements and must not be discharged into surface waters or drains due to environmental risk.

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

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