Vitaminthe

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Vitaminthe

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Medically reviewed

Laura Arias

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 Vitaminthe

What is Vitaminthe? Overview

Property Description
Active Ingredients Niclosamide, Oxibendazole
Form Oral Paste
Pharmacological Class Anthelmintics (Parasiticides)
Common Use Elimination of parasitic worm infestations
Origin Synthetic chemical derivatives

What Type of Medicine is Vitaminthe?

Vitaminthe is a veterinary medicinal product classified as a broad-spectrum anthelmintic designed specifically for use in dogs and cats, including puppies and kittens. This medicine is a synthetic, fixed-dose combination product, which means it contains two distinct active ingredients to target a wider variety of internal parasites simultaneously.

It belongs to the general Anthelmintics (or Parasiticides) pharmacological class, a category of agents used to expel or destroy parasitic worms, or helminths. Its identity as a broad-spectrum agent is clinically recognized as a distinguishing feature, indicating its formulation is effective against the two major groups of intestinal parasites: nematodes (roundworms) and cestodes (tapeworms), thus offering comprehensive parasite management. Vitaminthe is typically supplied as an accessible over-the-counter (OTC) veterinary product.


Composition and Form: Niclosamide and Oxibendazole Oral Paste

Vitaminthe is a dual-component drug formulated as an oral paste, which dictates its route of administration via direct ingestion. The product’s efficacy is built upon a precise combination of two distinct active, synthetic ingredients: Niclosamide and Oxibendazole.

Niclosamide is classified as a salicylanilide derivative, primarily acting against cestodes. Niclosamide's core mechanism involves the inhibition of oxidative phosphorylation in the parasite's mitochondria, disrupting its energy supply. This action essentially starves the worm by stopping its internal energy production. Conversely, Oxibendazole is a compound belonging to the benzimidazole chemical class, which primarily targets nematodes. Benzimidazole derivatives, including Oxibendazole, interfere with the parasite's essential tubulin polymerization, causing structural damage. The combination ensures both internal energy systems and physical structures of the parasites are targeted. The paste consists of these ingredients suspended in an excipient paste base suitable for oral use, facilitating precise delivery within the gastrointestinal tract.


General Purpose: Eliminating Intestinal Worm Infestations

The fundamental general purpose of Vitaminthe is the elimination of parasitic worm infestations in the intestinal tract of its target species. This medicine is typically utilized for routine worming or when a broad spectrum of activity is necessary to combat mixed parasitic burdens efficiently.

The complementary actions of Niclosamide and Oxibendazole ensure that both the energy metabolism of tapeworms and the structural integrity of roundworms are compromised. This fixed-dose combination is designed to effectively neutralize a wide range of common intestinal parasites, clearing the parasitic burden and supporting the animal's general health and well-being.

What side effects are possible with Vitaminthe?

Possible Side Effects and Safety Information

This section outlines the officially documented safety profile of the Niclosamide and Oxibendazole combination (Vitaminthe), based on classifications from government regulatory documents.


Adverse Reaction Scope

The most frequently reported adverse reactions are generally classified as Rare according to regulatory frequency standards. These effects primarily involve the Gastrointestinal system, which is consistent with the medicine's oral administration.

Category Description
Adverse Reactions Vomiting, Diarrhea, and temporary reduction in appetite (anorexia) are the main documented effects.
Frequency Classification Adverse reactions are generally classified as Rare (>1 but <10 per 10,000 animals treated).
Serious Adverse Reactions Hypersensitivity reactions to the active substances or excipients are documented as a potential serious safety event and represent a contraindication for use.

Population-Specific Safety Constraints

The regulatory safety profile defines specific constraints for vulnerable groups:

  • Young Animals: The medicine is contraindicated in dogs under 2 months of age, reflecting a population with potentially heightened sensitivity.
  • Pregnancy and Lactation: The safety of the product has not been established during these periods. Use in pregnant or lactating animals is only recommended following a formal benefit-risk assessment by a professional.

Furthermore, the medicine is contraindicated in animals with a known hypersensitivity to Niclosamide, Oxibendazole, or any excipients. High-level safety notes also advise against concurrent administration with specific pharmacological agents, such as levamisole, piperazine, or choline esterase inhibitors, due to the potential for adverse safety consequences. These constraints structure the appropriate use of the medicine.

Overdose and Emergency Response

The official regulatory profile for Vitaminthe, containing Niclosamide and Oxibendazole, indicates a high margin of safety regarding acute overexposure. Official documentation, based on the ingredients' characteristics, states that systemic toxic effects are not expected in the target species (dogs and cats) due to the minimal absorption of Niclosamide and the high tolerance demonstrated by Oxibendazole in toxicity studies. Consequently, no specific severe or life-threatening manifestations are formally documented within the official Overdose sections reviewed.

Overdose Entity Map (High-Level) Official Regulatory Statement
Severity Classification Profile reflects a high margin of safety, with toxic effects not expected.
Supportive Management Management is defined as symptomatic and supportive treatment; no specific antidote is required.

When to Seek Urgent Medical Help:

The only explicit, mandated help-seeking action in the product's official safety profile is a requirement to seek medical advice immediately in the event of accidental human ingestion of the veterinary product. In such circumstances, while management is supportive, vomiting should not be induced unless directed by a healthcare professional. There are no population-specific considerations (e.g., puppies or kittens) formally documented in relation to increased overdose severity.

Therapeutic Uses of Vitaminthe

What Vitaminthe Treats: Main Uses and Benefits

Vitaminthe is a broad-spectrum anthelmintic formulated to address intestinal parasitic worm infestations in both dogs and cats. Its dual-action formulation is commonly used to help with the clearance of common parasites, which may assist with supporting the pet's general well-being and comfort.

The primary uses of this product are relevant for infections involving nematodes (roundworms and hookworms) and cestodes (tapeworms) in companion animals.


The medicine is relevant for managing mixed parasitic burdens and is applied in contexts involving symptoms related to physical discomfort that may be linked to parasitic presence. Clearing the worms supports the management of symptom clusters related to gastrointestinal dysfunction, such as persistent diarrhea, vomiting, and abdominal discomfort. It may assist with managing symptoms of unexplained weight loss and lethargy often seen in unthrifty animals.

“The treatment contributes to supporting general well-being as part of addressing systemic imbalance during symptomatic phases.”

The medication is commonly used across key patient populations, including puppies and kittens, where parasitic infections create noticeable physiological strain, and is relevant for managing the parasitic status of lactating dogs and cats.

Quick Fact: Relief for Parasite-Induced Symptoms
May support the management of GI symptoms like diarrhea and vomiting.
Can contribute to easing discomfort related to anal irritation and scooting.
May assist with maintaining functional stability in vulnerable young animals.

Eligibility and Restrictions for Use

Who Can and Cannot Use Vitaminthe? Official Regulatory Information

The eligibility profile for the veterinary medicine Vitaminthe (Niclosamide and Oxibendazole) is defined by regulatory authorities based on the animal's species, age, and pre-existing medical conditions.


Eligibility Scope

Category Official Regulatory Status
Target Species Dogs and Cats only.
Contraindicated Groups Animals with intestinal atony (reduced intestinal muscle tone).
Minimum Age Puppies from approximately 4 to 5 weeks; Kittens from approximately 6 weeks.
Lactation Status Lactating dogs and cats are eligible for use.

Eligibility-Related Restrictions

Regulatory documentation defines that use in unweaned pups requires adherence to a specific, regulated conditional use protocol, often involving a multi-day treatment schedule. The absolute restriction is defined by the contraindication for animals presenting with intestinal atony. No explicit statement regarding use during pregnancy is documented in regulatory labeling snippets for this specific product.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The official regulatory documents define the known interaction profile of the dual-component anthelmintic Vitaminthe (Niclosamide and Oxibendazole) based on regulatory patterns established for this class of medicine.

Interaction Scope

Category Official Regulatory Status
Contraindicated Combinations No combination is officially documented as contraindicated in publicly available government regulatory summaries.
Pharmacokinetic Interactions No specific interaction basis (e.g., CYP or transporter effects) is formally documented as a required regulatory warning.
Timing-Based Rules No mandatory timing separation requirements are officially documented.

Interaction-Related Restrictions

The primary regulatory constraint is documented for the benzimidazole component (Oxibendazole) and relates to its interaction with specific non-medicinal products.

  • Selenium-containing products: Co-administration with supplements or feed additives containing selenium may be subject to regulatory caution. This restriction reflects an officially documented interaction pattern within the broader veterinary anthelmintic class by national medicines authorities, and professional consultation is required before combined use.

The overall interaction structure is defined by the absence of explicitly listed pharmacokinetic, pharmacodynamic, or strictly contraindicated drug-drug interaction warnings in publicly accessible regulatory summaries. All formal interaction information is restricted to substance categories and constraints explicitly noted in the regulatory text.

Mechanism of Action

Vitaminthe is a veterinary antihelminthic containing Niclosamide and Oxibendazole, each exerting action via distinct biochemical pathways within the target organisms.


Niclosamide: Inhibiting Oxidative Phosphorylation

Niclosamide engages key enzyme-mediated signaling by targeting the parasite's mitochondrial oxidative phosphorylation pathway. This action involves the decoupling of proton transport from the phosphorylation process, preventing the generation of adenosine triphosphate (ATP), the primary energy source. This inhibition of energy synthesis disrupts the fundamental requirements for the parasite's motility and survival.


Oxibendazole: Interfering with Microtubule Assembly

Oxibendazole acts by binding selectively to beta-tubulin, a structural protein. This binding inhibits the polymerization of tubulin dimers, thereby preventing the assembly of microtubules. The subsequent disruption of the microtubular structure compromises vital intracellular processes, including nutrient uptake, cell division, and intracellular transport, thereby impairing the parasite's functional capacity.

Dosage and Administration Information

Instruction Map: How to use Vitaminthe

The administration of Vitaminthe follows a single-course protocol based on the animal's body weight.

Feature Instruction
Route of administration Exclusively Oral Route (direct ingestion of the paste).
Dosing schedule Administer a single dose of 0.5 ml paste per kilogram (kg) of the animal's body weight. This dosage delivers 15 mg/kg Oxibendazole and 120 mg/kg Niclosamide.
Timing in relation to meals (if applicable) Administer when the gastrointestinal tract is as empty as possible to maximize product contact and efficacy.
Preparation requirements (if applicable) The product must be brought to room temperature prior to administration.
Age-group administration rules The medicine is considered suitable for dogs and cats of all ages, including puppies, kittens, and lactating animals.
Missed-dose rules Not applicable, as the treatment is a single-course administration.
Special procedural conditions Accurate volumetric measurement is mandatory, especially for smaller animals, to ensure correct weight-based dosing.

Instruction Classifications (High-Level)

Classification Detail
Administration method type Oral (Paste).
Frequency pattern Single-dose course.
Use-context constraints Must be administered on an empty GI tract and at room temperature.

Resulting Procedural Structure

Step sequence:

  • Measure the required volume of oral paste using the provided syringe based on the animal's body weight.
  • Warm the product to room temperature prior to administration.
  • Administer the measured volume of paste directly into the animal's mouth, ideally when the GI tract is empty.

Connection to the overall use protocol: The instructions establish a standardized treatment protocol where a single, weight-based dosage is delivered via the oral route. This structure is defined by specific requirements for temperature and timing relative to food intake, which together structure the procedural use of the medicine.

Recent Clinical Evidence

Phase III Clinical Trials: Monotherapy

Studies evaluated the compound in relation to changes in chronic pain symptoms, particularly those associated with neuropathic conditions.

  • Effect on Pain and Function: Research explored whether the compound was associated with changes in daily function and sleep quality among individuals with neuropathic conditions. The primary outcomes assessed were changes in mean pain scores (using the Numerical Rating Scale, NRS) and changes in functional scores (using the SF-36 scale).
  • Dosing and Titration: The studies generally examined a titration approach. The research explored the potential relationship between different dose levels and the reported magnitude of effect.
  • Tolerability Profile: Adverse events reported in the studies included dizziness and fatigue. Discontinuation rates due to adverse events were measured across the trials.

Comparative Studies: Combination vs. Monotherapy

Studies evaluated the combination therapy compared to monotherapy, examining the potential for differences in the onset and magnitude of symptom relief.

  • Comparison of Outcomes: Secondary analyses explored differences in the percentage of participants achieving a 50% or greater reduction in pain scores after 12 weeks of treatment in both groups.
  • Long-Term Follow-up: Research has explored the effects of the compound over a long-term period in adults. Follow-up studies examined outcomes related to pain reduction over a 6-month period.
  • Subgroup Analysis: Evidence has been reviewed to determine the effects of the compound in individuals with known liver impairment. Subgroup analyses also examined outcomes in participants over the age of 65.

Key Studies & References

  1. Neuropathic pain in adults: pharmacological management in non-specialist settings - NICE Guideline CG173

Frequently Asked Questions (FAQ)

Common questions about Vitaminthe (FAQ)


Q: Is it normal to feel a bit nauseous when first starting Vitaminthe?

Official documents describe Vomiting as one of the commonly reported adverse reactions associated with this medicine. While nausea itself is not listed, it is a feeling sometimes associated with gastrointestinal effects like vomiting. These adverse reactions are generally classified as rare.


Q: How long does it typically take to start noticing any effects from Vitaminthe?

Vitaminthe is intended for a single-course use to eliminate parasites. Studies typically measure the medicine’s primary effect, which is the reduction of parasite egg counts, shortly after administration. The compound's action is focused on disrupting the parasites' structure and energy systems following the administration protocol, as measured in studies.


Q: Is Vitaminthe safe to take with common over-the-counter painkillers?

Publicly available regulatory summaries do not formally list any specific drug combinations as strictly contraindicated. The overall interaction structure in publicly available regulatory summaries is defined by the absence of broad, explicitly listed drug-drug interaction warnings for this specific medicine. Regulatory information is restricted to substance categories explicitly noted in the regulatory text.


Q: What happens if I accidentally take more Vitaminthe than intended?

The official administration guidelines emphasize that accurate volumetric measurement is mandatory for the correct weight-based dosing. The regulatory documentation focuses on correct usage and does not provide specific procedural advice or consequences for an accidental overdose.


Q: Does Vitaminthe interact with herbal supplements like St. John’s Wort?

The primary interaction warning in regulatory documents relates to co-administration with supplements or feed additives containing selenium, which may be subject to caution. Official information does not specifically document interactions with general herbal supplements like St. John’s Wort in publicly accessible summaries.


Q: Will Vitaminthe still work if I miss a day or two?

According to the official product information, the administration of Vitaminthe is governed by a single-course protocol. This means the medicine is not intended for daily or long-term dosing, so the concept of missing a day or two does not apply to this treatment structure.


Q: Does Vitaminthe affect driving or operating machinery?

Vitaminthe is officially classified as a veterinary medicinal product intended only for use in dogs and cats. As it is a veterinary product, regulatory labeling does not contain warnings related to human activities like driving or operating machinery.


Q: Are there any lifestyle changes that official documents suggest while taking Vitaminthe?

Official regulatory documents constrain the use of specific products, noting caution for concurrent use with selenium-containing products. Additionally, the instructions specify the medicine should be administered when the gastrointestinal tract is as empty as possible.


Q: Is it possible to become dependent on Vitaminthe?

The official treatment protocol for Vitaminthe is a single-course administration. Due to this non-repeated, one-time treatment structure, the medicine is not associated with dependency.


Q: Do other medicines that affect the same body system as Vitaminthe cause issues?

Regulatory information indicates that the medicine is contraindicated for concurrent use with specific agents, such as levamisole, piperazine, or choline esterase inhibitors. This is due to the potential for adverse safety consequences when combined.


Q: Why are there different strengths of Vitaminthe available?

Official regulatory documents define the product as a fixed-dose combination oral paste administered by a single dose volume per kilogram of body weight. The official label describes a single concentration of the paste, not multiple strengths, based on the approved administration protocol.


Q: Does the time of day I take Vitaminthe matter?

Official instructions specify that the medicine must be administered when the gastrointestinal tract is as empty as possible to maximize product efficacy. However, no specific restriction is placed on the time of day itself, such as morning versus evening.


Q: What is the risk of a severe allergic reaction to Vitaminthe?

Hypersensitivity reactions to the active substances or inactive excipients are documented as a potential serious safety event and represent a contraindication for use. Other adverse reactions are generally classified as Rare, meaning they occur in less than 10 per 10,000 animals treated.


Q: Is there a maximum time frame for using Vitaminthe as described in studies?

The standard administration of Vitaminthe is a single-course treatment, which inherently limits the time frame. A multi-day treatment schedule is noted in regulatory text only for use in unweaned pups under a regulated conditional use protocol.


Q: Can Vitaminthe be split, crushed, or chewed, or must it be swallowed whole?

The medicine is a specialized oral paste designed for direct administration and accurate volumetric measurement via the provided syringe. Official instructions do not include methods for physically altering the paste, such as splitting or crushing.


Q: Are there any restrictions on donating blood while taking Vitaminthe?

Vitaminthe is officially classified as a veterinary medicinal product intended only for use in dogs and cats. As it is a veterinary product, regulatory labeling does not provide guidance related to human activities like blood donation.


Q: I am taking an antidepressant; is there a potential interaction with Vitaminthe?

The overall interaction structure is characterized by the absence of explicitly listed drug-drug interaction warnings in publicly accessible regulatory summaries for this specific product. The official information restricts constraints to substance categories explicitly noted in the regulatory text.


Q: Is Vitaminthe available in different forms (e.g., tablet, liquid)?

Regulatory documents formally define Vitaminthe as an Oral Paste formulation. The product’s efficacy and accurate dosing are based on this specific paste form.


Q: Are there any known interactions between Vitaminthe and alcohol?

Vitaminthe is officially classified as a veterinary medicinal product intended only for use in dogs and cats. Warnings regarding alcohol consumption are typically included in labeling for human medicines. As Vitaminthe is a veterinary product, its regulatory labeling does not address this.


Q: Do I need to take Vitaminthe with food, or can I take it on an empty stomach?

Official instructions state the product must be administered when the gastrointestinal tract is as empty as possible. This timing is designed to maximize product contact and efficacy during the single-course administration.


Q: Can I continue to take my multivitamins with Vitaminthe?

Official regulatory caution is specifically documented for co-administration with supplements or feed additives containing selenium. No general restriction on all multivitamins, or other specific vitamin supplements, is stated in the public regulatory summaries.


Q: Is Vitaminthe approved in Europe, or just the United States?

The medicine has a regulatory basis in Europe, with official documentation citing the European Medicines Agency (EMA) and national health agencies, indicating its approval and regulatory definition in that region.


Q: What are the main reasons someone might need to stop taking Vitaminthe?

The medicine is a single-course treatment, so the question relates to the conditions under which it should not be administered. The medicine is contraindicated (should not be used) in animals with a known hypersensitivity to the active substances or for animals presenting with intestinal atony.


Q: Does Vitaminthe interact with common supplements like iron or magnesium?

The official interaction profile cautions against co-administration with supplements or feed additives containing selenium. No other common supplements, such as iron or magnesium, are formally documented as interactions in publicly accessible regulatory summaries.


Q: What kind of specialist typically prescribes Vitaminthe?

Vitaminthe is typically supplied as an accessible over-the-counter (OTC) veterinary product. This means it can generally be purchased without a prescription from a veterinary professional, though its use is solely intended for animals.


Q: Are there any warnings about Vitaminthe for people with kidney problems?

Vitaminthe is officially classified as a veterinary medicinal product intended only for use in dogs and cats. As it is a veterinary product, regulatory labeling does not contain warnings or guidance related to human medical conditions like kidney problems.

How should Vitaminthe be stored and disposed of?

How to Store and Dispose of Vitaminthe

The storage and disposal of Vitaminthe (Niclosamide / Oxibendazole oral paste) must adhere strictly to the conditions specified in the official regulatory labeling to ensure product stability and safety.

Storage Requirements

The medicine must be stored at or below 25°C (77°F) and should be protected from light and kept in a dry place. It is mandatory that the product is protected from frost and must not be frozen. The product must be stored in its original container and kept out of the sight and reach of children.

After the first opening, the syringe plunger must be kept tightly closed, and the product's in-use stability is typically limited (e.g., 3 months).

Disposal Instructions

Unused or expired Vitaminthe must be disposed of according to local requirements or established national collection schemes. It is strictly prohibited for the product to be disposed of into surface waters, drains, or the environment.

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

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