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LOMPER 20 mg/ml ORAL SUSPENSION

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About the medicine

How to use LOMPER 20 mg/ml ORAL SUSPENSION

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This page provides general information and does not replace a doctor’s consultation. Always consult a doctor before taking any medication. Seek urgent medical care if symptoms are severe.

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Introduction

Package Leaflet: Information for the Patient

Lomper 20 mg/ml Oral Suspension

Mebendazole

Read this package leaflet carefully before starting to take this medicine, as it contains important information for you.

  • Keep this package leaflet, you may need to read it again.
  • If you have any further questions, ask your doctor or pharmacist.
  • This medicine has been prescribed for you only. Do not pass it on to others. It may harm them, even if their symptoms are the same as yours.
  • If you experience any side effects, talk to your doctor or pharmacist. This includes any possible side effects not listed in this package leaflet. See section 4.

Contents of the Package Leaflet

  1. What Lomper Oral Suspension is and what it is used for
  2. What you need to know before taking Lomper Oral Suspension
  3. How to take Lomper Oral Suspension
  4. Possible side effects
  5. Storage of Lomper Oral Suspension
  6. Package Contents and Additional Information

1. What Lomper Oral Suspension is and what it is used for

Lomper is a medicine that belongs to the group of medicines called antihelmintics.

Lomper is indicated for the treatment of the following intestinal parasitoses, both simple and mixed: Enterobiasis (Oxyuriasis), Ascariasis, Trichuriasis, Hookworm disease, and Necatoriasis.

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2. What you need to know before taking Lomper Oral Suspension

Do not take Lomper:

  • if you are allergic to mebendazole or any of the other ingredients of this medicine (listed in section 6).

Warnings and Precautions

  • a possible relationship has been established between the use of mebendazole and metronidazole (a medicine used to treat bacterial and protozoal infections) simultaneously and the occurrence of severe reactions (Stevens-Johnson Syndrome / Toxic Epidermal Necrolysis (blisters or significant skin peeling or in the mouth, eyes, or genital-anal area, with fever)) that can be life-threatening (see section Possible Side Effects)

Children and Adolescents.

It should not be used in children under 1 year of age, as it is not known whether mebendazole is safe in these children. Cases of seizures have been reported in children (very rarely), including children under 1 year of age.

It is not recommended for use in children under 2 years of age, as mebendazole has not been sufficiently studied in these children. Your doctor will assess whether to administer it to children under two years of age, and it will only be administered if the expected benefit justifies the possible risk.

Taking Lomper with Other Medicines

Tell your doctor or pharmacist if you are taking or have recently taken any other medicines, including those obtained without a prescription.

The use of this medicine together with metronidazole (see Warnings and Precautions) should be avoided.

Concomitant administration with cimetidine (a medicine used to treat stomach acidity) may inhibit the metabolism of mebendazole at the hepatic level, thereby increasing plasma concentrations of the drug. Your doctor will perform the necessary checks to adjust the dose of the medicine.

Taking Lomper with Food

Lomper can be administered with or without food.

Pregnancy, Breastfeeding, and Fertility

If you are pregnant or breastfeeding, think you may be pregnant, or plan to become pregnant, consult your doctor or pharmacist before using this medicine.

Pregnancy

Your doctor will assess the possible risks versus the expected therapeutic benefits of administering Lomper during pregnancy, especially during the first trimester.

Breastfeeding

If you are breastfeeding, consult your doctor first, who will decide whether you can take Lomper.

Driving and Using Machines

The influence of this medicine on the ability to drive and use machines is zero or insignificant.

Lomper 20 mg/ml Oral Suspension contains sucrose, ethanol, methyl parahydroxybenzoate (E-218), and propyl parahydroxybenzoate (E-216)

This medicine contains sucrose. If your doctor has told you that you have an intolerance to certain sugars, consult with them before taking this medicine.

This medicine contains 3.75 mg of ethanol (alcohol) per milliliter. The amount in 5 ml of this medicine is equivalent to less than 1 ml of beer or 1 ml of wine. The small amount of alcohol in this medicine does not produce any noticeable effect. It may cause allergic reactions (possibly delayed) because it contains methyl parahydroxybenzoate (E-218) and propyl parahydroxybenzoate (E-216).

This medicine contains less than 1 mmol of sodium (23 mg) per 5 ml; i.e., it is essentially "sodium-free".

This medicine contains fragrances (tutti-frutti essence) with allergen: citral. The allergen citral may cause allergic reactions. In addition to allergic reactions in sensitized patients, sensitization may occur in non-sensitized patients.

3. How to Take Lomper Oral Suspension

Follow exactly the administration instructions of this medicine indicated by your doctor or pharmacist. In case of doubt, consult your doctor or pharmacist again.

Your doctor will establish the suitable dose for you and make the necessary adjustments.

If you think the action of Lomper is too strong or too weak, tell your doctor or pharmacist. Your doctor will indicate the duration of treatment with Lomper.

The recommended dose is:

  • Oxyuriasis:

One 5 ml spoonful of suspension (a single 100 mg dose). It is recommended to repeat the treatment after 2 and 4 weeks.

  • Ascariasis, Trichuriasis, Hookworm disease, Necatoriasis, or Mixed Infections:

Two 5 ml spoonfuls per day, one in the morning and one in the afternoon, for three consecutive days.

Use in Children and Adolescents

Children from 2 years of age and adolescents:

  • Oxyuriasis:

A single dose of 5 ml of oral suspension (1 measuring spoon).

It is recommended to repeat the treatment after 2 and 4 weeks.

  • Ascariasis, Trichuriasis, Hookworm disease, Necatoriasis, or Mixed Infections:

A dose of 5 ml of oral suspension (1 measuring spoon) twice a day, one in the morning and one in the afternoon, for three consecutive days.

Remember to take your medicine.

The suspension should be shaken before use.

The bottle has a child-resistant cap, and it should be opened as follows:

To open the child-resistant cap, press the side down (1) and turn as indicated by the arrow (2).

Medicine bottle with curved and straight arrows indicating steps one and two for use

If you take more Lomper than you should

If you have taken more Lomper than you should, consult your doctor or pharmacist immediately.

In case of accidental overdose, you may experience stomach cramps, nausea, vomiting, and diarrhea.

If you have taken more Lomper than recommended or for extended periods, be aware that you may experience blood disorders, kidney or liver problems, some of which can be serious, as well as hair loss, which can be permanent in some cases.

In case of overdose or accidental ingestion, consult your doctor or pharmacist immediately or call the Toxicology Information Service, phone: 91 562 04 20, indicating the medicine and the amount ingested.

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4. Possible Side Effects

Like all medicines, this medicine can cause side effects, although not everybody gets them.

If any of the following side effects occur, stop treatment and consult your doctor:

-Allergic reactions such as blistering skin rash, facial swelling, or difficulty breathing.

-Blisters or significant skin peeling or in the mouth, eyes, or genital-anal area, with fever.

-Seizures

The following side effects have been described. The assessment of side effects is based on the following frequency data:

Very common: may affect more than 1 in 10 people

Common: may affect up to 1 in 10 people

Uncommon: may affect up to 1 in 100 people

Rare: may affect up to 1 in 1,000 people

Very rare: may affect up to 1 in 10,000 people

Frequency not known (cannot be estimated from available data)

Common: abdominal pain.

Uncommon: abdominal discomfort, diarrhea, and flatulence (gas), rash (redness), nausea, and vomiting.

Rare: dizziness.

Very rare: neutropenia (severe decrease in white blood cell count), hypersensitivity reactions (allergic), seizures, liver function changes, hepatitis, toxic epidermal necrolysis, and Stevens-Johnson syndrome (blisters or significant skin peeling or in the mouth, eyes, or genital-anal area, with fever), exanthema (redness), angioedema (facial swelling), urticaria (skin redness with hives), and alopecia (hair loss, which can be permanent in some cases), kidney inflammatory diseases.

Reporting of Side Effects:

If you experience any side effects, talk to your doctor or pharmacist, even if they are possible side effects not listed in this package leaflet. You can also report them directly through the Spanish Pharmacovigilance System for Human Use Medicines: https://www.notificaram.es. By reporting side effects, you can help provide more information on the safety of this medicine.

5. Storage of Lomper Oral Suspension

Keep this medicine out of the sight and reach of children.

Do not store above 25°C. Store in the original packaging.

Do not use this medicine after the expiry date stated on the packaging.

The expiry date is the last day of the month indicated.

Medicines should not be disposed of via wastewater or household waste. Place the packaging and any unused medicines in the SIGRE collection point at the pharmacy. If in doubt, ask your pharmacist how to dispose of the packaging and any unused medicines. This will help protect the environment.

6. Package Contents and Additional Information

Composition of Lomper Oral Suspension

  • The active ingredient of this medicine is mebendazole. The oral suspension contains 20 mg of mebendazole per ml.
  • The other ingredients are: sodium saccharin, sucrose, microcrystalline cellulose, and sodium carboxymethylcellulose, sodium lauryl sulfate, methyl parahydroxybenzoate (E-218), propyl parahydroxybenzoate (E-216), quinoline yellow (E-104), methylcellulose, citric acid monohydrate, ethanol (part of the tutti-frutti essence), purified water.

Appearance of the Product and Package Contents

It is presented in a 30 ml plastic bottle with a child-resistant polyethylene cap, with a built-in polyethylene dropper, and a 5 ml measuring spoon made of plastic.

Lomper is a homogeneous yellow suspension.

Marketing Authorization Holder and Manufacturer

Marketing Authorization Holder:

Esteve Pharmaceuticals, S.A.

Passeig de la Zona Franca, 109

08038 Barcelona

Spain

Manufacturer:

TOWA Pharmaceutical Europe, S.L.

C/ de Sant Martí, 75-97

08107 Martorelles (Barcelona)

Spain

Date of the Last Revision of this Package Leaflet: 05/2022

Detailed and updated information on this medicine is available on the website of the Spanish Agency for Medicines and Health Products (AEMPS) http://www.aemps.gob.es

Online doctors for LOMPER 20 mg/ml ORAL SUSPENSION

Discuss questions about LOMPER 20 mg/ml ORAL SUSPENSION, including use, safety considerations and prescription review, subject to medical assessment and local regulations.

5.0 (69)
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Tarek Agami

General medicine 11 years exp.

Dr. Tarek Agami is a general practitioner registered in both Portugal and Israel, with broad experience in family and preventive medicine. He offers online consultations for adults and children, providing personalised support for primary care needs, chronic disease management, and everyday health concerns.

Dr. Agami received clinical training and worked in leading medical institutions in Israel (Kaplan Medical Center, Barzilai Medical Center, Wolfson Medical Center) and Portugal (European Healthcare City, Viscura Internacional, Hospital Dr. José Maria Grande, Hospital Vila Franca de Xira). His approach combines international medical standards with individualised attention to each patient.

Main areas of consultation:

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  • Treatment adjustments and lifestyle recommendations based on your personal history
Dr. Agami provides medical support for patients using GLP-1 medications (such as Ozempic or Mounjaro) as part of a weight loss strategy. He offers individualised treatment planning, regular follow-up, dose adjustment, and advice on combining medication with sustainable lifestyle changes. Consultations follow the medical standards accepted in Portugal and Israel.

Dr. Agami is committed to evidence-based, patient-centred care, ensuring that each person receives trusted medical support tailored to their health goals.

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Nuno Tavares Lopes

Family medicine 18 years exp.

Dr. Nuno Tavares Lopes is a licensed physician in Portugal with 17 years of experience in emergency medicine, family and general practice, and public health. He is the Director of Medical and Public Health Services at an international healthcare network and serves as an external consultant for the WHO and ECDC.

  • Emergency care: infections, fever, chest/abdominal pain, minor injuries, paediatric emergencies
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Dr. Nuno Tavares Lopes provides medical support for patients using GLP-1 medications (Mounjaro, Wegovy, Ozempic, Rybelsus) as part of a weight loss strategy. He offers individualised treatment planning, regular follow-up, dose adjustment, and advice on combining medication with sustainable lifestyle changes. Consultations follow the medical standards accepted in Europe.

Dr. Lopes also provides interpretation of medical tests, follow-up care for complex patients, and multilingual support. Whether for urgent concerns or long-term care, he helps patients act with clarity and confidence.

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Anastasiia Shalko

Family medicine 13 years exp.

Dr. Anastasiia Shalko is a general practitioner with a background in both paediatrics and general medicine. She graduated from Bogomolets National Medical University in Kyiv and completed her paediatric internship at the P.L. Shupyk National Medical Academy of Postgraduate Education. After working as a paediatrician in Kyiv, she relocated to Spain, where she has been practising general medicine since 2015, providing care for both adults and children.

Her work focuses on urgent, short-term medical concerns – situations where patients need quick guidance, symptom assessment and clear next steps. She helps people understand whether their symptoms require in-person evaluation, home management or a change in treatment. Common reasons for booking an online consultation include:

  • acute respiratory symptoms (cough, sore throat, runny nose, fever)
  • viral illnesses such as colds and seasonal infections
  • gastrointestinal complaints (nausea, diarrhoea, abdominal pain, gastroenteritis)
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Dr. Shalko works specifically with urgent and short-term problems, providing practical recommendations and helping patients determine the safest next step. She explains symptoms clearly, guides patients through decision-making and offers straightforward medical advice for everyday acute issues.

She does not provide long-term management of chronic conditions, ongoing follow-up or comprehensive care plans for complex long-term illnesses. Her consultations are designed for acute symptoms, sudden concerns and situations where timely medical input is important.

With clinical experience in both paediatrics and general medicine, Dr. Shalko confidently supports adults and children. Her communication style is clear, simple and reassuring, helping patients feel informed and supported throughout the consultation.

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Tomasz Grzelewski

Dermatology 21 years exp.

Dr Tomasz Grzelewski is an MD, PhD specialist in allergy, paediatrics, general practice and sports medicine, with a clinical focus on dermatology, endocrinology, allergology and sports-related health. He has more than 20 years of clinical experience and completed his medical training at the Medical University of Łódź, where he defended his PhD thesis with distinction. His doctoral research was recognised by the Polish Society of Allergology for its innovative contribution to the field. Throughout his career, he has gained extensive expertise in diagnosing and managing a wide range of allergic and paediatric conditions, including modern allergen desensitisation techniques.

For five years, Dr Grzelewski served as the Head of two paediatric departments in Poland, managing complex clinical cases and leading multidisciplinary teams. He also worked in medical centres in the United Kingdom, gaining experience across both primary care and specialist environments. With over a decade of telemedicine experience, he has provided online consultations across Europe and is valued for his clear, structured and evidence-based medical guidance.

Dr Grzelewski is actively involved in clinical programmes focused on modern anti-allergic therapies. As a Principal Investigator, he leads research projects on sublingual and oral allergen desensitisation, supporting evidence-based progress in allergy treatment for both children and adults.

In addition to his background in allergology and paediatrics, he completed dermatology studies through the Cambridge Education Group (Royal College of Physicians of Ireland) and a Clinical Endocrinology course at Harvard Medical School. This advanced training enhances his ability to manage skin manifestations of allergies, atopic conditions, urticaria, endocrine-related symptoms and complex immunological reactions.

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Dr Tomasz Grzelewski is known for his clear communication style, structured medical approach and ability to explain treatment options in a concise and accessible way. His multidisciplinary background across allergy, paediatrics, dermatology and endocrinology allows him to provide safe, up-to-date and comprehensive care for patients of all ages.
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Frequently Asked Questions

Is a prescription required for LOMPER 20 mg/ml ORAL SUSPENSION?
LOMPER 20 mg/ml ORAL SUSPENSION requires a prescription in Spain. You can check with a doctor online whether this medicine may be appropriate for your situation.
What is the active substance in LOMPER 20 mg/ml ORAL SUSPENSION?
The active ingredient in LOMPER 20 mg/ml ORAL SUSPENSION is mebendazole. This information helps identify medicines with the same composition but different brand names.
How much does LOMPER 20 mg/ml ORAL SUSPENSION cost in pharmacies?
The average pharmacy price for LOMPER 20 mg/ml ORAL SUSPENSION is around 4.4 EUR. Prices may vary depending on the manufacturer and dosage form.
Who manufactures LOMPER 20 mg/ml ORAL SUSPENSION?
LOMPER 20 mg/ml ORAL SUSPENSION is manufactured by Esteve Pharmaceuticals S.A.. Pharmacy brands and packaging may differ depending on the distributor.
Which doctors can assess the use of LOMPER 20 mg/ml ORAL SUSPENSION online?
Doctors such as Family doctors, Psychiatrists, Dermatologists, Cardiologists, Endocrinologists, Gastroenterologists, Pulmonologists, Nephrologists, Rheumatologists, Hematologists, Infectious disease physicians, Allergists, Geriatricians, Paediatricians, Oncologists may assess whether LOMPER 20 mg/ml ORAL SUSPENSION is appropriate, depending on your situation and local regulations. You can book an online consultation to discuss your symptoms and possible next steps.
What are the alternatives to LOMPER 20 mg/ml ORAL SUSPENSION?
Other medicines with the same active substance (mebendazole) include LOMPER 100 mg TABLETS, ESKAZOLE 400 mg TABLETS, IVERCARE 3 mg TABLETS. These may have different brand names or formulations but contain the same therapeutic ingredient. Always consult a doctor before switching or starting a new medicine.
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