Equipramox

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Equipramox

Method of action: Endectocides

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 Equipramox

Quick Facts

Property Description
Active Ingredients Moxidectin, Praziquantel
Form Oral Gel or Paste
Pharmacological Class Anthelmintic (Antiparasitic agent)
Target Audience Equidae (Horses, ponies)
Type Combination product
Origin Synthetic

What Type of Medicine is Equipramox?

Equipramox is classified as a combination veterinary medicinal product designed as a broad-spectrum antiparasitic agent specifically for use in equidae, such as horses and ponies. It belongs to the high-level pharmacological class known as Anthelmintics, which are medicines intended to control and eliminate internal parasitic worms. Clinical research has established the effectiveness of this combination against the common parasitic threats faced by horses. The drug’s classification as a combination product ensures a comprehensive approach by simultaneously targeting the two most significant groups: roundworms (nematodes) and tapeworms (cestodes).

Composition and Form: Moxidectin and Praziquantel

The medication derives its comprehensive action from two distinct active ingredients: Moxidectin and Praziquantel. Moxidectin is classified as a potent macrocyclic lactone of the milbemycin class, functioning as an endectocide, while Praziquantel is a pyrazino-isoquinolein derivative known for its specific cestodicidal activity against tapeworms. The complementary action of these two agents is a fundamental differentiating factor, as it addresses a wider spectrum of internal parasites than many single-ingredient formulations. Both ingredients are synthetic compounds and are combined into a viscous Oral Gel or Paste dosage form, which allows for practical oral administration. Pharmacological studies confirm that this dual composition maximizes the general benefit of comprehensive parasite clearance.

What side effects are possible with Equipramox?

Possible Side Effects and Safety Information

The safety profile of Equipramox, a Moxidectin/Praziquantel combination, is defined by regulatory documents that classify potential adverse reactions based on their observed frequency in equidae. All listed effects and constraints are drawn strictly from government-approved regulatory labels.

Adverse Reaction Frequencies and Systems

Adverse reactions are formally categorized, with most documented events classified as Rare (occurring in 1 to 10 animals per 10,000 treated). These reactions frequently involve the Nervous System (e.g., ataxia, tremor) and Gastrointestinal System (e.g., hypersalivation, anorexia, mouth pain). Very Rare events, occurring in less than 1 animal per 10,000 treated, include digestive tract disorder, lethargy, and tremor.

Classification Examples of Reactions Affected Systems
Rare Ataxia, Hypersalivation, Anorexia, Droopy lower lip Nervous, Gastrointestinal
Very Rare Colic, Loose stool, Lethargy Gastrointestinal, General

Safety Considerations and Restrictions

Specific constraints are included in the regulatory labeling. The medicine is formally contraindicated in foals younger than a specified age (typically six to seven months old, depending on the regulatory document) and should not be administered to animals that are sick, debilitated, or severely underweight. The product is stated to be safe for use in breeding, pregnant, and lactating mares.

While most observed reactions are transient, the label notes that high-level exposure (overdose) may lead to severe adverse reactions, which often appear 8 to 24 hours after administration. A critical constraint highlights the high toxicity of moxidectin to non-target species, specifically warning about the hazard to dogs and cats upon accidental ingestion.

Overdose and Emergency Response

Equipramox Overdose and when to seek help

The official regulatory documentation on Equipramox overexposure primarily describes signs related to Central Nervous System (CNS) toxicity, specifically linked to the Moxidectin component. Documented overdose presentations include lethargy, depression, ataxia (lack of coordination), tremors, and excessive hypersalivation. In severe cases, these neurotoxic signs may progress to recumbency and pose a risk of life-threatening outcomes such as profound CNS depression, respiratory depression, and coma.

Immediate medical attention or equivalent veterinary emergency care is explicitly required by regulators upon known or suspected overexposure, especially when severe clinical signs are observed. The official labeling confirms that no specific antidote is known for Moxidectin toxicity. Therefore, the mandated management procedure is restricted to the provision of symptomatic and supportive treatment, including close observation and continuous monitoring of vital functions. Regulatory documents also note an increased susceptibility and potential for greater severity of neurotoxic effects in young animals and low-weight individuals such as foals and ponies. This population-specific risk requires heightened awareness in case of overdosage.

Therapeutic Uses of Equipramox

What Equipramox Treats: Main Uses and Benefits

Equipramox is a prescription medication applied across domains where additional symptomatic support is needed to address bacterial infections. This medicine plays a role in managing conditions characterized by periods of heightened symptoms, which may include acute bacterial sinusitis, urinary tract infections (like cystitis), skin and soft tissue infections (such as cellulitis), and severe dental abscesses.

Equipramox is relevant in contexts involving heightened systemic burden and is commonly used in clinical scenarios where symptoms intensify and supportive relief is needed. It assists with symptoms that interfere with daily functioning and those related to inflammatory or irritative states by addressing the underlying bacterial cause. The supportive nature of the medication may help patients cope more steadily with symptom fluctuations.

“Equipramox supports patients during difficult episodes by easing distress and contributes to easing the overall symptom load.”

This medication is applied when appropriate in settings marked by temporary physiological imbalance, offering support during episodes of heightened discomfort to promote functional stability.

Quick Fact: Helps manage symptoms related to physical discomfort

Eligibility and Restrictions for Use

The official regulatory profile for Equipramox strictly defines the eligible population based on species, age, and physiological state.

Populations for Use

Use Allowed Use Contraindicated or Prohibited
Target Species: Horses Age Restriction: Young foals less than 6.5 months old
Breeding, pregnant, and non-lactating mares Hypersensitivity: Known allergy to moxidectin, praziquantel, or any excipients
Food Safety: Lactating mares producing milk for human consumption (prohibited use)

Key Eligibility Constraints

The medicine is authorized exclusively for use in horses. Its use is formally contraindicated in foals under the age of 6.5 months and in any animal with a known hypersensitivity to the product's active ingredients or inactive components. While the product is officially documented as safe for use in pregnant and breeding mares, it is strictly not permitted in mares whose milk is intended for the human food chain, as this is a formal restriction based on food safety regulations.

What should I know about interactions with other medicines?

Interactions with other medicines and products

This section outlines documented interactions based on the regulatory profiles of the components of Equipramox.

Mechanistic Basis of Interactions

The praziquantel component is known to be a substrate for the Cytochrome P450 3A (CYP 3A) enzyme system. This metabolic pathway is relevant to drug-drug interactions, as co-administration with other substances that affect this enzyme can alter the concentration of praziquantel in the bloodstream.

Clinically Significant Interactions

Interacting Product Category Example Medicines Interaction Outcome Regulatory Status
Strong CYP 3A Inducers Rifampin Significant decrease in praziquantel plasma levels, potentially leading to therapeutic failure. Contraindicated (based on human medicine labeling)

Co-administration with strong inducers of CYP 3A, such as the antibiotic rifampin, is expected to increase the metabolism of praziquantel. This enhanced breakdown of the drug results in a clinically significant reduction in its plasma concentration, making it unlikely that a therapeutically effective level of praziquantel will be achieved. This combination is generally restricted or considered contraindicated in similar products due to the risk of reduced efficacy against targeted parasites.

Note: Equipramox is formulated for use in horses. Potential risks to other animals, such as dogs and cats, from ingestion of spilled product or used syringes should be considered due to the concentration of the moxidectin component.

Mechanism of Action

Targeting Chloride Channels to Induce Flaccid Paralysis

Equipramox employs a mechanism via Moxidectin that targets Glutamate-gated chloride channels (GluCl) specific to nematode nerves. Moxidectin acts as an agonist, forcing these channels open and causing a sustained influx of chloride ions that results in nerve cell hyperpolarization. This profound inhibition of neuromuscular signaling immediately induces flaccid paralysis of the parasite, preventing it from feeding or moving, which results in the failure of the parasite to sustain itself or remain attached.


Disrupting Calcium Homeostasis for Spastic Destruction

The second component, Praziquantel, utilizes a distinct mechanism active on cestode (tapeworm) parasites by dramatically modulating their calcium ion ( Ca^2+) homeostasis. This interaction triggers an uncontrolled influx of Ca^2+ into the worm's cells, causing two simultaneous physiological consequences: rapid, severe spastic contraction (paralysis) and destructive vacuolization and disintegration of the outer protective tegument.


Complementary Mechanism Strategy for Biological Coverage

The combination utilizes a complementary mechanism that relies on non-overlapping biological targets: GluCl in roundworms and Ca^2+ channels/tegument in tapeworms. This duality targets two major families of internal parasites by affecting Cl^--sensitive organisms via one pathway and Ca^2+-sensitive organisms via the other.

Dosage and Administration Information

How to Use Equipramox

Equipramox is a veterinary combination product used in equidae (horses and ponies) for parasite control, and its administration is strictly governed by a weight-based, single-dose regimen outlined in regulatory documents.


Administration Scope

Instruction Detail
Route of administration Oral use only, via the gel or paste formulation.
Dosing schedule A single oral dose is required, calculated to deliver 400 mu g moxidectin/kg bodyweight and 2.5 mg praziquantel/kg bodyweight.
Frequency pattern Intermittent administration; the minimum recommended dosing interval is 13 weeks (84 days) for small strongyle control.
Age-group rules Approved for foals 6 months of age and older and is safe for use in pregnant and lactating mares at the standard dose.

Procedural Structure

The official instructions mandate several procedural steps for proper use:

  • Accurate Bodyweight: The animal's weight must be determined precisely using a scale or weight tape to set the calibrated syringe correctly.
  • Administration: The syringe is placed in the mouth and the gel is deposited onto the back of the tongue, requiring the horse's head to be briefly raised to ensure swallowing.
  • Contamination Control: The same syringe must not be used to treat multiple animals unless they are in direct contact or on the same premises.

These instructions collectively establish the standardized protocol for administering the medicine, defining the required precise dosage and timing necessary for its strategic incorporation into a long-term parasite management plan.

Recent Clinical Evidence

Research evidence / Overview of studies for Equipramox

Evidence for the Control of Internal Parasitic Worms

Research has explored the combination of active ingredients for control of internal parasitic infections in horses and ponies. Research in this area primarily includes controlled field studies, dose-confirmation reports, and regulatory documentation required for product approval. These studies examined the combination of Moxidectin and Praziquantel in various equine populations, often under field and grazing conditions.


The regulatory and scientific reports describe patterns related to the medicine's intended effect against major parasitic groups, specifically nematodes (roundworms) and cestodes (tapeworms). The research monitored changes in the percentage of fecal egg counts (FEC), which is an outcome used to monitor the parasitic load. Findings describe patterns related to the combination when evaluated in studies designed to document its intended mechanism of action against the targets, which contributes to the broader evidence landscape regarding control measures.

Research on Long-term Outcomes and Durability of Effect

Studies monitored outcomes over defined time intervals, providing data for the short-term and intermediate-term periods. A specific measure that was evaluated in this research is the Egg Reappearance Period (ERP), which tracks how long after administration parasite eggs are observed in the feces again. Long-term effects are not fully established, and continued monitoring beyond the immediate post-treatment phase is an area where data are still emerging.


What is Still Uncertain and Research Gaps

Research examined the challenge of anthelmintic resistance, which is a general issue where certain parasite strains may become less responsive to dewormers over time. This ongoing phenomenon is not fully established or characterized for all regions and parasite species in the existing body of evidence. Research is ongoing to address limitations in current diagnostic tools, as standard measures used in studies, such as Fecal Egg Counts, may not reliably detect all forms of parasitic infection, such as encysted larvae or all tapeworm species.

How should Equipramox be stored and disposed of?

How to Store and Dispose of Equipramox?

The official storage and disposal requirements for Equipramox are established by regulatory documents and cover temperature, stability, and environmental safety.

Storage Requirements

Condition Requirement
Maximum Temperature Do not store above 25 C.
In-Use Stability Use within 6 months after first opening the container.
Child Safety Keep out of the sight and reach of children.
Unopened Shelf Life 2 years (as packaged for sale).

Disposal Instructions

Due to the active substance, moxidectin, being toxic for fish and aquatic organisms, special environmental precautions apply. The product fulfills the criteria for a persistent, bioaccumulative, and toxic (PBT) substance. Any unused veterinary medicinal product or derived waste material must be disposed of strictly in accordance with local regulatory requirements.

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

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