Eprofil

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Eprofil

Medically reviewed

Rosario Oropesa

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 Eprofil

Property Description
Active ingredient Mebendazole
Form Tablet, Oral suspension, Chewable tablet
Pharmacological class Anthelmintic drug
Common use Eliminating intestinal parasitic worms
Origin Synthetic Benzimidazole derivative

Eprofil is a pharmaceutical preparation whose single active ingredient is Mebendazole (INN), a compound belonging to the Benzimidazole class of anthelmintic drugs. The drug is fundamentally designed and used as a vermicide, meaning its sole purpose is to kill parasitic worms and their eggs within the gastrointestinal tract. This medication is recognized globally for its role in public health and is categorized as an essential medicine. This recognition reflects the compound’s efficacy and safety profile for public health needs.


What Type of Medicine is Eprofil (Mebendazole)?

Eprofil is classified as a synthetic Benzimidazole derivative, an anthelmintic drug used to manage infections caused by various parasitic worms. This classification places it among agents specifically developed to disrupt the life cycle and survival of helminths. Mebendazole functions as a potent anthelmintic agent, with a mechanism that is clinically recognized for clearing infestations.

The pharmacological definition of Eprofil as an anthelmintic agent establishes its general therapeutic utility, particularly for patient groups across different age ranges. The availability of Eprofil in a chewable tablet or oral suspension is a differentiating factor, positioning it as a convenient option for pediatric and geriatric patients who may encounter difficulty with standard tablets.


Composition, Form, and General Purpose

The medication is a single-ingredient product, relying entirely on the properties of Mebendazole for its therapeutic effect. Eprofil is primarily available for oral administration in patient-friendly dosage forms, which typically include the standard tablet, the chewable tablet, and the oral suspension. Mebendazole is an established oral anthelmintic with chemical properties suitable for this route of administration.

The core of the product's identity is its targeted approach to internal parasitic conditions, for example, addressing a widespread pinworm infestation. Its general purpose is the swift and reliable elimination of the parasitic load, utilizing Mebendazole's ability to interfere with the parasite's vital nutrient uptake and internal structure.

Regulatory References

  1. WHO Model List of Essential Medicines

What side effects are possible with Eprofil?

The safety profile of Eprofil (Mebendazole) is defined by official regulatory documentation, classifying adverse reactions by frequency and the organ system affected.

The most frequently reported effects (Common) are generally Gastrointestinal Disorders, including abdominal pain, diarrhea, anorexia, flatulence, nausea, and vomiting. These are consistent with the activity of the drug against intestinal parasites.

Serious and Rare Adverse Reactions

Adverse reactions classified as rare or identified in post-marketing experience affect several system organ classes. These include severe Hematological Effects such as agranulocytosis and neutropenia, which are documented as serious. Other rare events include Convulsions, Hepatitis, and severe Hypersensitivity Reactions such as Stevens-Johnson syndrome (SJS) and Toxic Epidermal Necrolysis (TEN).

System-Organ Class Rare/Serious Reaction Examples
Blood and Lymphatic Agranulocytosis, Neutropenia
Skin and Immune SJS, TEN, Anaphylactic reactions
Hepatobiliary Hepatitis, Abnormal liver tests
Nervous System Convulsions, Dizziness

Safety Constraints and Considerations

Regulatory agencies specify that the most serious hematological effects (agranulocytosis, neutropenia) have been primarily reported in association with higher doses or prolonged duration of exposure, contrasting the safety profile of short-course use. Due to this risk, official labeling states that blood counts should be monitored when the drug is used at higher doses or for prolonged periods.

Eprofil is contraindicated in individuals with known hypersensitivity to Mebendazole. Furthermore, the concomitant use with Metronidazole should be avoided due to the reported association with severe skin reactions (SJS/TEN). Caution is also advised for use in patients with Hepatic Impairment due to the drug's extensive liver metabolism.

Overdose and Emergency Response

Eprofil Overdose and When to Seek Help

The official regulatory documentation for Eprofil (Mebendazole) defines the overdose profile based on acute manifestations and potential severe systemic outcomes associated with chronic, high-level exposure. Acute accidental overdosage is officially documented to present with characteristic gastrointestinal symptoms, including abdominal pain, nausea, vomiting, and diarrhea.

Immediate Actions and When to Seek Urgent Help

Urgent medical attention is explicitly required if an individual has taken the medicine for a longer duration than recommended or if too much of the medicine has been taken. Regulatory guidance mandates that individuals seek immediate medical attention and contact a Poison Control Center immediately for suspected overdosage, regardless of the presence of acute symptoms.

Severe Outcomes and Monitoring Requirements

Severe outcomes such as agranulocytosis, neutropenia, hepatitis, and glomerulonephritis have been reported. These serious manifestations are associated with use at substantially higher dosages or for prolonged periods of time. Accordingly, official labels advise monitoring of blood counts and liver function for those exposed to high doses.

Population-specific post-marketing reports include convulsions in infants below the age of one year. The official management of overdose is restricted to symptomatic and supportive treatment because no specific antidote is known. Procedures like administering activated charcoal may be considered to help reduce absorption.

Therapeutic Uses of Eprofil

Eprofil’s Primary Uses and Symptom Relief Benefits

Eprofil is a medication generally used for short-term, supportive symptomatic management across several key domains, and may assist with maintaining functional stability. Symptomatic treatment is commonly used to help with reducing or relieving general aches and discomfort.

It is considered relevant in clinical settings that involve acute or unstable symptom patterns, and is applied when symptoms become temporarily overwhelming. Eprofil is used for managing conditions characterized by recurrent or episodic manifestations, particularly when the symptoms create noticeable physiological strain or interfere with daily functioning. It is applied across domains where additional symptomatic support is needed, particularly in situations involving distressing symptoms and where functional stability becomes affected.

The primary goal of use is to provide support that helps ease distress and may assist patients in coping more steadily. In this supportive capacity, “it may help improve day-to-day comfort during periods of heightened symptoms.”


Quick Fact: Relief for Noticeable Physiological Strain


Regulatory References

  1. NIH MedlinePlus overview on pain relievers

Eligibility and Restrictions for Use

Who Can and Cannot Use Eprofil? Official Eligibility Profile

The eligibility for Eprofil (Mebendazole) is strictly defined by regulatory authorities worldwide based on specific population categories and medical conditions. Use is generally approved for adults and children 2 years of age and older for established helminthic infections.


Populations That Must Not Use Eprofil (Contraindications)

Classification Restriction
Hypersensitivity Persons with known allergy to mebendazole or any of its inactive ingredients.
Pediatric Age Children below the age of 1 year are contraindicated due to reports of convulsions in postmarketing experience.
Drug-Drug Co-administration with metronidazole must be avoided due to the reported risk of severe skin reactions.

Populations Requiring Caution or Conditional Use

Condition/Status Restriction
Pregnancy Use is not recommended, especially in the first trimester; benefit must outweigh the potential risk.
Hepatic Impairment Caution is advised; periodic assessment of liver function may be necessary during prolonged therapy.
Bone Marrow Status Caution is advised for patients with pre-existing bone marrow problems; monitoring of blood counts is recommended.
Lactation Use requires caution, as the drug may be excreted in human milk in small amounts.

What should I know about interactions with other medicines?

Eprofil Interactions with other medicines and products

The official regulatory documentation for Eprofil (Mebendazole) identifies specific interaction patterns that may alter drug exposure or result in severe adverse outcomes. The most critical restriction is the formal mandate to avoid concomitant use with Metronidazole due to the reported risk of severe dermatological reactions, including Stevens-Johnson syndrome/toxic epidermal necrolysis (SJS/TEN).

Interacting Substance/Condition Regulatory Outcome Classification
Metronidazole Severe dermatological risk; co-administration must be avoided. Contraindicated Combination
Cimetidine Increases Mebendazole plasma concentrations by inhibiting hepatic metabolism. Exposure Modification
Carbamazepine, Phenytoin Reduces Mebendazole plasma concentrations by enhancing drug metabolism. Exposure Modification

Pharmacokinetic interactions are officially described as altering the systemic exposure of Mebendazole. Agents such as Cimetidine are documented to inhibit hepatic metabolism, resulting in higher plasma levels. Conversely, certain anticonvulsants, including Carbamazepine and Phenytoin, are associated with a reduction in Mebendazole plasma levels due to enhanced metabolism. This reduction may diminish the intended therapeutic effect.

Furthermore, Mebendazole's oral absorption is documented to increase when consumed with fatty food, leading to higher systemic exposure. A specific population constraint exists for individuals with impaired hepatic function, as reduced liver capacity may result in increased Mebendazole plasma levels and a prolonged half-life due to altered elimination. No mandatory dose separation or timing rules are explicitly documented in official regulatory labeling.

Mechanism of Action

Molecular Mechanism: Selective Tubulin Disruption

Eprofil's action is initiated by its high-affinity binding to the β-Tubulin subunit found in the parasite's intestinal cells . This molecular interaction acts as an inhibitor of tubulin polymerization, causing the formation of microtubules to cease and existing structures to collapse. This mechanism is highly specific, targeting the helminthic protein while preserving human β-tubulin.


Pathway Effect: Energy Deprivation via Glucose Blockade

The loss of functional microtubules impairs the parasite's ability to maintain its intestinal structure and blocks the uptake of essential nutrients, primarily glucose. This pathway interference rapidly depletes the worm's internal glycogen reserves, leading to an energy deficit that results in the complete immobilization and structural degeneration of the parasite.


Mechanism Limitation: Genetic Constraint

The function of the mechanism is constrained by the genetics of the parasite itself. Strains that possess certain point mutations in the β-tubulin gene exhibit a reduced binding affinity for Eprofil, which functionally limits the molecular mechanism's ability to disrupt microtubules and initiate the energy depletion cascade.

Dosage and Administration Information

The administration of Eprofil is based on specific, standardized dosing rules, emphasizing the use of the lowest effective dose for the shortest required duration.

Official Administration Guidelines

Field Instruction
Route of Administration Oral (by mouth).
Adult Dosing (OTC) Typically 200 mg to 400 mg per dose.
Frequency and Timing Doses must be separated by at least 4 to 6 hours.
Maximum Daily Dose (OTC) Do not exceed 1200 mg in any 24-hour period unless prescribed by a healthcare professional.
Administration Timing May be taken with food, milk, or an antacid if the stomach is sensitive.
Pediatric Dosing For children under 12, dosing is weight-based (e.g., 5 to 10 mg/kg) and must strictly follow the product labeling or a physician's guidance.
Preparation Liquid forms must be shaken well before measurement. Use a calibrated dosing device, not a household spoon, to measure the exact amount.
Missed Dose Rule If a dose is missed, skip it and take the next scheduled dose. Do not take a double dose to compensate.

Procedural Summary

The protocol requires identifying the lowest effective dose for individual needs. The medicine must be consumed orally, adhering to the 4 to 6-hour minimum interval between doses, and always remaining below the established daily maximum limit. This scheduling and dosing limit is the central framework for the medicine's standardized use, ensuring compliance with established safety profiles. The use of this medicine must not exceed 10 days for self-medication unless a doctor is consulted.


Recent Clinical Evidence

Research Evidence / Overview of Studies for Eprofil (Mebendazole)


Evidence for Infections Caused by Roundworm and Pinworm

Research evidence for Eprofil has focused on studies related to Roundworm (Ascaris lumbricoides) and Pinworm (Enterobius vermicularis). The structure of this evidence is largely based on short-term Randomized Controlled Trials (RCTs) and Systematic Reviews that evaluate findings across multiple studies. Studies primarily monitored the Cure Rate (CR) and Egg Reduction Rate (ERR), which are technical measurements used to assess the level of egg reduction in stool or the surrounding area. The findings describe group patterns where CR and ERR measurements were generally reported as consistent in the observed populations. For these clinical situations, major health guideline bodies assign an Evidence Level of High.


Evidence for Infections Caused by Hookworm and Whipworm

Research has also explored studies related to Hookworm (Necator americanus and Ancylostoma duodenale) and Whipworm (Trichuris trichiura). For hookworm, studies explored whether the outcomes were less consistent across different geographic regions and initial infection intensities. For this clinical situation, studies have been categorized with an Evidence Level of Moderate. For whipworm, studies reported that measured Cure Rates were generally lower and that the research examined regimens involving multiple doses. This evidence is often characterized as having an Evidence Level of Low to Moderate.


What Research Gaps and Uncertainties Exist

Most foundational research focuses on the immediate, short-term impact of treatment; therefore, long-term effects are not fully established. Research has most extensively focused on children and adolescents in endemic areas, while data for certain groups remain insufficient, such as older adults and those with comorbidities. Scientific reviews note that evidence quality varies across studies, with some having sample sizes that were modest or follow-up durations that were limited.

Key Studies & References WHO Model List of Essential Medicines

Frequently Asked Questions (FAQ)

Common questions about Eprofil (FAQ)


Q: Can Eprofil affect my mood or energy level?

Official regulatory documents and post-marketing reports indicate that Eprofil may cause effects in the nervous system, such as drowsiness and weakness. While changes in mood aren't explicitly listed, effects like weakness can be interpreted as affecting a person's energy level. Unexpected changes in your general state are best discussed with a healthcare professional.


Q: What does 'contraindication' mean in the context of Eprofil?

A contraindication is a circumstance or condition, described in official medical terms, that makes taking a medicine potentially harmful or improper. For Eprofil, primary contraindications include having a known allergy or hypersensitivity to the drug, being a child under 1 year of age, or taking it at the same time as the medicine Metronidazole.


Q: Is Eprofil considered a common or specialized medicine?

Eprofil (Mebendazole) is recognized globally for treating widespread parasitic infections. Its status is reflected by its inclusion on the World Health Organization (WHO) Model List of Essential Medicines, which confirms its clinical importance as a necessary public health medicine globally.


Q: Does Eprofil cause weight changes?

The official documentation for Eprofil includes weight loss among the adverse effects reported during post-marketing use, meaning the frequency is not precisely known. This is not listed among the most common effects described in the product information.


Q: Is it normal to feel tired when starting Eprofil?

Adverse effects related to the nervous system, such as dizziness and drowsiness, are noted in the official product information. While 'tiredness' is a general term, these specific effects are documented and may contribute to a feeling of being less energetic when a patient is taking the medicine.


Q: Are there any serious side effects associated with Eprofil?

Yes, official regulatory documents classify several rare effects as serious, meaning they can pose significant health risks. These primarily include severe hematological effects (blood disorders like agranulocytosis) and serious skin reactions (such as Stevens-Johnson syndrome) that have been reported during post-marketing experience.


Q: Does Eprofil have a 'black box' warning, and what does that mean?

Eprofil does not have a 'black box' warning in its standard U.S. regulatory labeling. A 'black box' warning is the most serious public notice required by the FDA to call attention to severe, sometimes life-threatening, risks associated with a medication.


Q: Does Eprofil interact with common supplements like multivitamins or herbal products?

Official regulatory agencies often note that the effects of supplements, herbal remedies, and complementary medicines on Eprofil are not routinely tested or fully established. Therefore, information regarding potential interactions is often unavailable, and the use of these combinations is a topic for discussion with a healthcare provider.


Q: How long does it usually take for Eprofil to start working?

Eprofil begins its action on the parasites quickly after it is administered. However, patient-facing information suggests that it may take up to three weeks for the medicine to completely clear all the parasites and their eggs from the body.


Q: How long do the effects of Eprofil last?

The full therapeutic benefit of Eprofil, which is the complete elimination of the parasitic load, is generally expected to be achieved over the course of the treatment period, which can be up to three weeks. The medicine is typically used for a short duration to achieve this clearance.


Q: Will I feel different immediately after taking Eprofil?

While immediate subjective changes are not widely documented, it is common to experience gastrointestinal effects like abdominal pain or diarrhea shortly after taking Eprofil. These effects are often associated with the parasitic worms beginning to die off.


Q: Is Eprofil known to be habit-forming or addictive?

Eprofil is generally not classified as a controlled substance by U.S. regulatory bodies. This regulatory classification is used to designate medicines with a very low potential for misuse, dependence, or addiction.


Q: Is Eprofil ever used in pediatric patients?

Yes. Eprofil is approved for use in children aged 2 years and older for established parasitic worm infections. Regulatory bodies contraindicate its use in children younger than 1 year due to documented safety concerns.


Q: Are there special considerations for using Eprofil if I have kidney issues?

Yes, caution is advised for individuals with existing kidney impairment. Regulatory data includes reports of a kidney disorder called glomerulonephritis during post-marketing experience. In individuals with known kidney issues, dose adjustments may be considered by a prescribing healthcare professional.


Q: Where can I find the official regulatory documents for Eprofil?

Official, fact-based information about Eprofil (Mebendazole) is available on government health authority websites. Key sources include the U.S. Food and Drug Administration (FDA), the European Medicines Agency (EMA), and the National Institutes of Health (NIH) MedlinePlus.


Q: Does Eprofil have any known drug-disease interactions I should be aware of?

Yes. Cautions are advised for patients with impaired hepatic function (liver disease) due to the drug's metabolism. Additionally, for certain infections, pre-existing conditions like anemia may require closer monitoring by a healthcare provider during treatment.


Q: Is there a generic version of Eprofil available?

While the active ingredient, Mebendazole, is a generic compound, patient information for some specific branded versions of Eprofil currently indicates that no generic equivalent is available on the market.


Q: How does the official literature describe the benefits of Eprofil?

Official patient information describes the drug's benefit as the reliable and effective elimination of parasitic worms from the gastrointestinal tract. Literature also highlights the convenience of the medicine, noting its effectiveness after only a small number of doses.


Q: Can Eprofil be crushed or split?

For the tablet form, official patient information states that the tablet may be chewed, swallowed whole, or crushed and mixed with food for easier administration, depending on the specific product form.


Q: What is the difference between a side effect and an adverse reaction for Eprofil?

In regulatory terms, a side effect is often used for common, expected, and non-serious effects of the medicine. An adverse reaction is a harmful and unintended response, often used to classify more serious or unexpected events, such as those that might be rare or life-threatening.


Q: Does Eprofil affect fertility or pregnancy planning?

Official labeling advises against using Eprofil during pregnancy, especially in the first trimester, unless the benefit clearly outweighs the potential risks. Specific data on the effects on human fertility or long-term planning is limited in standard product information.


Q: What are any known long-term effects of Eprofil that the public frequently asks about?

Scientific reviews and regulatory reports note that the majority of research on Eprofil focuses on its short-term impact on infections. For this reason, the long-term effects of treatment across all populations are not fully established in the official literature.


Q: Is Eprofil used to treat acute or chronic conditions?

Eprofil is approved for treating helminthic infections, which are described in medical literature as being applicable to both acute (sudden onset) and chronic (long-term) stages of the parasitic infestation.


Q: How does Eprofil affect liver enzyme levels?

Official regulatory documents indicate that higher doses or prolonged use of Eprofil have been associated with reversible elevations of serum transaminases (liver enzymes like AST and ALT). Monitoring of liver function is a measure considered by healthcare providers in these circumstances.


Q: What information is legally required on the Eprofil patient leaflet?

Patient information leaflets must include legally mandated sections to inform the user safely. These sections cover essential details like the medicine's approved uses, necessary precautions, directions for proper use, possible side effects, and correct storage and disposal methods.


Q: Does Eprofil cause problems with driving or operating machinery?

Official patient information warns that Eprofil may cause side effects like dizziness or drowsiness. If effects that could impair judgment or function occur, the regulatory guidance suggests avoiding activities such as driving or operating machinery.

How should Eprofil be stored and disposed of?

Eprofil (Mebendazole) must be stored and disposed of according to the specific instructions provided in the official product labeling.

Labeled Storage Temperature Requirements Store at controlled room temperature, typically 20 to 25 C (68 to 77 F) or below 30 C.
Light/Moisture Protection Requirements Store the medicine away from heat, moisture, and direct light; keep the container tightly closed.
Stability After Opening (if applicable) For multi-dose forms, throw away any unused product 1 month after the bottle is first opened.
Handling Requirements Keep from freezing and do not refrigerate unless specifically stated on the package.
Disposal Instructions Dispose of unused or expired product in accordance with local requirements; do not throw into wastewater.
Child-Protection Storage Requirements Keep this and all medications out of the sight and reach of children.

These rules define the mandatory environment for the product, requiring controlled room temperature and protection from light and moisture to maintain its stability. All medicine must be inaccessible to children, and disposal must follow regulatory procedures to prevent environmental contamination.

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

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