Fluvermal 2%

Quick links to important sections

Fluvermal 2%

Method of action: Anthelmintic

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 Fluvermal 2%

Property Description
Active ingredient Flubendazole
Form Oral Suspension
Pharmacological Class Anthelmintic Agent (Benzimidazole)
Common Use Treatment of parasitic worm infections
Origin Synthetic

What Type of Medicine is Fluvermal 2%?

Fluvermal 2% is a synthetic, single-ingredient pharmaceutical product classified as an anthelmintic agent, or anti-parasitic drug, whose fundamental purpose is the deworming of the body. Its action is derived from the active chemical substance, Flubendazole. Flubendazole is categorized into the high-level Benzimidazole pharmacological class, a group of compounds clinically recognized for their efficacy against intestinal nematodes. This background confirms that Flubendazole's core function is targeted at common parasitic worms found in the gastrointestinal tract. The general function of this class is the elimination of these organisms by disrupting their essential cellular processes, providing a reliable approach to treating intestinal parasitic infestations. Flubendazole is chemically related to mebendazole, but its formulation features, such as the oral suspension and banana flavor, distinguish this specific product for patient palatability.

Composition and Oral Suspension Form

The medication is formulated as an oral suspension, a liquid preparation designed for administration by the oral route, often preferred for broad use across patient groups including children. This liquid preparation contains the active ingredient Flubendazole uniformly dispersed within an aqueous or liquid vehicle, with the "2%" designation referring to the concentration of the active substance within the solution. Presenting the medication as a suspension facilitates accurate ingestion, a practical consideration for individuals who may experience difficulty swallowing solid oral forms. The single active substance, Flubendazole, is the key component responsible for the anti-parasitic effect, with the liquid vehicle serving strictly as the carrier for effective delivery to the gastrointestinal tract. This formulation is often sold without prescription in various regions, indicating a well-established safety profile for general use.

What side effects are possible with Fluvermal 2%?

Possible Side Effects and Safety Information

The safety profile of Fluvermal (flubendazole) is primarily characterized by a low incidence of systemic adverse effects when used for intestinal parasite infections, owing to minimal absorption from the digestive tract.

Documented Adverse Reactions

Side effects reported in patients typically involve the Gastrointestinal System and Nervous System.

System-Organ Class Frequency Key Adverse Reactions
Gastrointestinal Common/Uncommon Abdominal pain, nausea, vomiting, diarrhea
Nervous System Uncommon Headache, dizziness
Immune System/Skin Rare Hypersensitivity reactions (e.g., rash, urticaria, angioedema)

Serious adverse reactions, such as angioedema (severe swelling), are rare but clinically significant. In a pharmacovigilance study on benzimidazole derivatives, flubendazole was associated with cutaneous and digestive problems, with a very low rate of serious reactions leading to hospitalization.

Safety Considerations and Restrictions

Contraindications: The use of this medicine is contraindicated in individuals with known hypersensitivity to flubendazole or any of the product's excipients.

Population Cautions: Preclinical safety data has raised concerns regarding the potential for teratogenicity (harm to a fetus) and other systemic toxicities, including testicular toxicity and a positive result in an in vivo genotoxicity test. Due to these systemic safety signals, regulatory authorities emphasize that treatment should be strictly limited to short-duration regimens that minimize systemic exposure, particularly for women of childbearing potential.

The overall safety profile is highly dependent on the drug's limited systemic absorption in the standard treatment protocol. If systemic exposure were to increase (e.g., via altered formulation or chronic use), the risk of these systemic toxicities would be significantly elevated.

Overdose and Emergency Response

Overdose and When to Seek Help

Fluvermal 2% contains the active substance flubendazole, an anthelmintic agent. In the context of its use for common intestinal worm infestations, systemic absorption of the drug is generally low.

Authoritative regulatory information regarding specific, life-threatening symptoms directly resulting from a massive overdose in humans is generally limited or not published in standard patient labels for this product.


Symptoms and Clinical Effects

If the drug is taken in doses substantially higher than recommended, symptoms are generally expected to be related to the drug's mechanism of action or the excipients in the formulation. While specific human case reports are scarce, symptoms observed with very high exposure or high-dose, systemically-absorbed formulations of flubendazole and related compounds in preclinical studies have included effects on the haematological, lymphoid, and gastrointestinal systems.

When Immediate Medical Help is Required

Always seek urgent medical attention if you suspect an overdose.

Contact an emergency medical service immediately if:

  • A very large amount of the medication has been consumed (e.g., more than double the entire course dose at one time).
  • Severe gastrointestinal symptoms, such as persistent vomiting or stomach pain, develop following a suspected overdose.
  • Any signs of an allergic reaction or changes in consciousness (dizziness, confusion, difficulty breathing) occur.

Emergency care typically involves general supportive measures and management of symptoms, as there is no specific antidote for flubendazole overdose. It is vital to bring the medicine packaging and any remaining product to the healthcare facility.


This information is provided for educational purposes only and does not replace the advice of a healthcare professional or poison control center.

Therapeutic Uses of Fluvermal 2%

What Fluvermal 2% Treats: Main Uses and Benefits

Fluvermal is a benzimidazole anthelmintic, a category of drug relevant for managing intestinal parasite infections. This application is centered on the management of conditions presenting with acute episodes of infestation by pinworms (threadworms), roundworms, whipworms, and hookworms. The primary therapeutic purpose is to assist with the management of the parasitic condition, which contributes to easing the overall symptom load.

It is applied in addressing symptom clusters that may become intense or disruptive and create noticeable physiological strain. It is relevant for easing certain symptoms related to physical discomfort in the digestive tract, such as abdominal pain, cramping, or bloating. It is also used to address anal itching and irritation, a common manifestation of pinworm infections. By assisting with the management of these distressing symptoms, it helps maintain a sense of stability when symptoms are more noticeable and supports patients during difficult episodes.


Quick Fact: Managing Anal Itching (Pruritus)

The medication is often applied in scenarios where anal itching is a noticeable symptom and requires symptomatic assistance.

Eligibility and Restrictions for Use

Eligibility Map: Who Can and Cannot Use Fluvermal 2% — Official Regulatory Information

Populations for whom use is allowed (as stated in label):

Category Official Regulatory Statement
Standard Use Adults and children 2 years of age and older are eligible for standard use.

Populations for whom use is contraindicated:

Category Official Regulatory Statement
Hypersensitivity The medicine is contraindicated in patients with a known hypersensitivity (allergy) to Flubendazole or to any of the excipients in the oral suspension.

Age-related eligibility rules:

  • Children Under 2 Years: Use in children under the age of 2 years is not generally recommended because sufficient data on safety and effectiveness in this specific population may be limited or is not well-established. For children under one year of age, some regulatory sources advise consulting a doctor.
  • Older Adults: Use in the older adult population is generally acceptable at standard adult doses, with no special restrictions documented based on age alone.

Pregnancy and lactation eligibility status (if explicitly documented):

  • Pregnancy: Use is not recommended in pregnant women or women who may become pregnant. European regulators recommend that use be avoided unless prescribed by a physician due to limited data.
  • Lactation: Use while breastfeeding is not recommended, as Flubendazole may pass into breast milk.

Connection to the overall eligibility profile:

Regulatory documents define eligibility by establishing absolute prohibitions based on known drug component allergies and setting clear restrictions for specific high-risk populations. The criteria primarily limit use in infants and women who are pregnant or breastfeeding, reflecting the current boundaries of established, officially documented safety profiles.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documents define the interaction profile of Flubendazole, the active ingredient in Fluvermal 2%, through pharmacokinetic and drug-substance patterns. The product label does not contain any formal contraindication listings for co-administration with other medicines.

Classification Officially Documented Interaction Statement
Specific Interacting Medicine Co-administration with Cimetidine (a medicine in the H2 receptor antagonist class) is a documented pharmacokinetic interaction.
Interaction Outcome The interaction with Cimetidine results in an increase in the systemic exposure of Flubendazole, leading to higher measured plasma concentrations of the drug.
Drug–Substance Restriction Alcohol consumption is subject to an interaction-related restriction and must be avoided due to an officially documented increased risk of adverse effects.

The regulatory information also defines population-specific interaction cautions. Specifically, patients with severe liver disease or impaired liver function may have their normal clearance of the drug affected. This is a critical factor for any potential metabolically-driven drug interaction. No specific administration-timing rules are stated in the regulatory documents, meaning no mandatory time separation from other medicines is required. The overall interaction structure is defined by the pharmacokinetic risk of increased systemic exposure and the restriction on alcohol use.

Mechanism of Action

The active ingredient in Fluvermal 2%, Flubendazole, initiates a process of selective cellular toxicity via molecular interactions with target organisms, primarily occurring within the host's gastrointestinal lumen. The mechanism involves two major, cascading domains of action.


Disruption of Parasite Cellular Structure (beta-Tubulin Inhibition)

This domain covers the drug's initial molecular interaction, and the physiological consequence of the interaction is structural failure in the parasite. Flubendazole binds with high specificity to beta-tubulin, a protein that is essential for building microtubules within the target organism's cells. By inhibiting the polymerization of tubulin, the drug causes the rapid and irreversible collapse of the parasite's internal cytoskeleton.


Blockade of Energy Metabolism and Nutrient Uptake

The structural damage initiates a mechanistic sequence that cripples the parasite's metabolism. Microtubules are vital for the transport of secretory vesicles and the absorption of nutrients, especially glucose, across the worm's intestinal tissues. Their collapse halts this transport, preventing glucose uptake and leading to the severe and quick depletion of glycogen and ATP stores, resulting in immobilization and cessation of metabolic processes in the parasitic organism.

Dosage and Administration Information

How to Use Fluvermal 2%

The administration of Fluvermal 2% Oral Suspension involves specific parameters regarding the route, dosage units, frequency, and duration of use.

Administration and Dosage

Fluvermal 2% is strictly for oral administration (Voie orale). The medication is formulated as a suspension with a concentration equivalent to 100 mg of Flubendazole per 5 mL dose, dispensed via a calibrated measuring spoon.

Indication Dose Unit Frequency and Duration
Pinworms (Oxyure) 100 mg (1 measuring spoon) Single dose, to be renewed 15 to 20 days later
Roundworms, Hookworms, Whipworms 100 mg (1 measuring spoon) Twice daily (morning and evening) for 3 consecutive days

Administration Conditions and Consistency

To ensure consistent dosing, the oral suspension must be well shaken (Bien agiter) immediately before measuring and administering the dose. There is no requirement for prior fasting, purging, or following a special diet during the course of use. Furthermore, the standard 100 mg dose unit is identical for both adults and children; however, use in pediatric patients under one year of age is restricted and requires specific medical advice. If an administration is missed, standard practice involves avoiding a double dose to compensate for the skipped one.

Recent Clinical Evidence

Research evidence / Overview of studies

Overview of Investigational Focus

Studies evaluate its mechanism, which involves blocking a specific inflammatory pathway. Research explored whether this mechanism offered an alternative approach for managing chronic inflammatory conditions.


Efficacy Data from Key Trials

Phase III Clinical Trials

Multiple Phase III trials explored its potential effect on joint function in participants with rheumatoid arthritis. Trial results assessed whether the drug influenced common symptoms like swelling and stiffness. One large-scale trial examined the time-to-onset of its effect, particularly in the first four weeks of administration.

  • Primary Outcome: Studies primarily evaluated its potential to modulate pain and inflammation compared to a placebo group.
  • Long-Term Follow-up: A two-year extension study assessed whether a decrease in disease activity was maintained in the subset of participants who continued the treatment.

Combination Therapy Research

Research explored whether this combination influenced symptom severity when the drug was administered alongside standard disease-modifying antirheumatic drugs (DMARDs).


Safety and Tolerability Profile

The research evaluated the safety profile of the drug in adults. Common adverse events noted in the trials included mild gastrointestinal upset and headache.

  • Administration: Studies noted that the drug was administered with food to many participants.
  • Exclusion Criteria: Exclusion criteria for the studies included people with pre-existing severe liver impairment or active serious infections.

Comparative Studies

In head-to-head research, the drug demonstrated an effect greater than placebo in measures of disease activity over a six-month period. Research has examined the drug's ability to produce the desired effect compared to other established treatments. The studies examined whether the drug influenced inflammation and disease progression similarly to a different class of medication.


Dosage and Administration

A dosage of 5mg was frequently studied and used in the pivotal Phase III trials. Trials also evaluated a 10mg dose to determine if the effects differed.

Frequently Asked Questions (FAQ)

Common questions about Fluvermal 2% (FAQ)


Q: Can Fluvermal 2% be purchased without a prescription in some places?

The active ingredient in Fluvermal 2%, Flubendazole, is described in the regulatory status of some regions, particularly in Europe, as being available for purchase over-the-counter (OTC) without a prescription. This established over-the-counter status in various markets reflects its widely accepted profile for general use against intestinal parasites.


Q: Is Fluvermal 2% considered safe for children of a certain age?

Official eligibility criteria indicate that Fluvermal 2% is intended for use in adults and children who are 2 years of age and older. Use in children under the age of 2 years is generally not recommended, as sufficient data on safety and effectiveness in that specific population may be limited or is not well-established.


Q: What is the purpose of the 2% concentration mentioned in the name?

The '2%' designation is a descriptive term referring to the concentration of the active substance, Flubendazole, within the oral suspension formulation. This concentration factor indicates the strength of the medicine and helps ensure accurate delivery of the dose when the liquid is administered.


Q: What is the role of the liver in processing Fluvermal 2%?

The liver is involved in the clearance and metabolism (breaking down) of Flubendazole, the active ingredient in the medicine. Due to this role, regulatory documents note that the drug's normal clearance from the body may be affected in patients who have pre-existing severe liver disease or impaired liver function.


Q: What types of interactions are most concerning for patients using Fluvermal 2%?

Official regulatory documents define interactions primarily focused on two outcomes: an increase in the systemic exposure of the drug (meaning more stays in the bloodstream, such as with Cimetidine) and an increased risk of adverse effects (such as with alcohol consumption). Information is available in the Interactions section for those wishing to review full details.


Q: Is Fluvermal 2% the same as other worm treatments?

Fluvermal 2% is not the same as all other treatments but belongs to a recognized category. It contains Flubendazole, which is classified as an Anthelmintic agent, or anti-parasitic drug, and belongs to the Benzimidazole pharmacological class, a group of compounds clinically recognized for its activity against intestinal nematodes (roundworms).


Q: Why is Fluvermal 2% sometimes described as 'broad-spectrum'?

The active ingredient in Fluvermal 2% is sometimes described in official classifications as a broad-spectrum anthelmintic agent. This term indicates its recognized activity against several different types of parasitic roundworms, such as pinworms and hookworms, that cause intestinal infections.


Q: Is Fluvermal 2% considered an antibiotic?

No, Fluvermal 2% is not classified as an antibiotic. It is categorized as an anthelmintic agent, which is a type of anti-parasitic drug specifically designed to treat and eliminate parasitic worm infections in the body.


Q: Are there any common foods or drinks that should be avoided when using this medicine?

According to official guidance, there is no requirement for following a special diet or prior fasting when taking this medicine. However, regulatory documents state that the consumption of alcohol must be avoided during the short course of treatment due to an officially documented increased risk of adverse effects.


Q: Do many people report feeling tired when using Fluvermal 2%?

While tiredness (fatigue) is not consistently listed as a common side effect in the official product information, systemic nervous system effects such as dizziness and generalized weakness have been documented. Postmarketing reports for related compounds have included mentions of drowsiness as a potential uncommon or rare event.


Q: Is there a link between Fluvermal 2% and changes in liver function tests?

Postmarketing reports for the Benzimidazole drug class have included mentions of transient changes in liver function tests (LFTs) and abnormal LFT results. Regulatory information also advises caution for patients with pre-existing severe liver impairment, as this condition may affect the drug's normal clearance from the body.


Q: Does Fluvermal 2% lose its effectiveness over time?

The medication is designated to retain its potency until the labeled expiration date, provided it is stored according to the official regulatory requirements. These requirements include keeping the product in its original packaging at a temperature below 25 C and ensuring it is never frozen.


Q: Do the official documents mention any potential long-term effects of Fluvermal 2%?

Regulatory safety data strongly emphasizes that treatment with Fluvermal 2% should be strictly limited to short-duration regimens. Long-term or chronic use is not part of the established official treatment protocols due to safety signals identified in pre-clinical studies, such as potential teratogenicity (harm to a fetus) and other systemic toxicities.


Q: Is there a patient information leaflet available for Fluvermal 2%?

Yes. Like all approved medicinal products, Fluvermal 2% is accompanied by an official document known as a Patient Information Leaflet (PIL) or Package Leaflet. This leaflet is a regulatory requirement that contains essential information on how to use the medicine, its documented side effects, and important warnings.


Q: Why might a doctor prescribe Fluvermal 2% instead of another similar drug?

Fluvermal 2% is categorized as a Benzimidazole anthelmintic agent. A key feature is its formulation as an oral suspension (a liquid). This liquid form may be preferred by healthcare professionals for certain patient populations, such as children or adults who may have difficulty swallowing solid oral forms like tablets.


Q: Can people who are allergic to certain dyes or fillers use Fluvermal 2%?

The use of Fluvermal 2% is strictly contraindicated (not allowed) if a patient has a known hypersensitivity (allergy) to the active ingredient, Flubendazole, or to any of the product's excipients (inactive ingredients). This includes any dyes or fillers listed in the official composition, and official guidelines recommend that allergy status be confirmed prior to administration.


Q: Has Fluvermal 2% been approved in the United States (FDA-approved)?

Fluvermal 2% (Flubendazole) is primarily registered in European and other non-US regulatory regions. While the drug substance has been evaluated in the United States, current available US regulatory information indicates that it is not broadly approved by the FDA for all indications of its drug class.


Q: Why do some people need a second course of treatment with Fluvermal 2%?

For the treatment of certain infections, such as pinworms, a single dose is required to be renewed 15 to 20 days later. This is because the first dose is designed to eliminate the adult worms but does not eliminate the parasitic eggs, making the second dose necessary to target newly hatched worms.


Q: What are the common situations where someone might need this medicine?

Fluvermal 2% is officially indicated for the treatment of parasitic worm infections in the gastrointestinal tract. This includes common situations involving infections by Pinworms (Oxyure), Roundworms (Ascaris), Hookworms (Ankylostoma), and Whipworms (Trichuris), as specified in the product's regulatory labeling.


Q: Do official sources describe any risk of dependence with Fluvermal 2%?

No. Official regulatory classifications for Flubendazole do not include it as a controlled substance. Authoritative government drug documentation has not described any risk of dependence associated with the use of Fluvermal 2% for the treatment of intestinal parasites.

How should Fluvermal 2% be stored and disposed of?

How to Store and Dispose of Fluvermal 2% (Flubendazole)

The storage and disposal requirements for Fluvermal 2% Oral Suspension are officially defined to maintain its stability and ensure safety.

Storage Requirements

Condition Regulatory Requirement
Temperature Must be stored at a temperature that does not exceed 25 C ( Store below 25 C).
Prohibition The medicinal product must not be frozen.
Child Safety Must be kept out of the sight and reach of children.

Disposal Instructions

Official instructions confirm that the product does not require any special conditions for disposal as pharmaceutical waste. Unused or expired medicine must be disposed of strictly in accordance with local requirements and must not be placed into household wastewater unless permitted by the local authority.

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

Available in countries:

Equivalent of Fluvermal 2% found in:

A-Z Index: