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This page is for general information. Consult a doctor for personal advice. Call emergency services if symptoms are severe.
About the medicine

How to use THROMBOCID FORTE 5 mg/g OINTMENT

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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 USER

Thrombocid Forte 5 mg/g ointment

Sodium pentosan polysulfate

Read the entire package leaflet carefully before starting to use this medication,as it contains important information for you.

Follow the administration instructions for the medication contained in this package leaflet or as indicated by your pharmacist.

  • Keep this package leaflet, as you may need to read it again.
  • If you need advice or more information, consult your pharmacist.
  • If you experience side effects, consult your doctor or pharmacist, even if they are not listed in this package leaflet. See section 4.
  • You should consult a doctor if your symptoms worsen or do not improve after 5 days.

Contents of the package leaflet:

  1. What Thrombocid Forte is and what it is used for
  2. What you need to know before using Thrombocid Forte
  3. How to use Thrombocid Forte
  4. Possible side effects
  5. Storage of Thrombocid Forte
  6. Package contents and additional information

1. What is THROMBOCID FORTE and what is it used for

This medication is a topical ointment that, when applied to the skin, improves blood flow, favoring the dissolution of clots. It belongs to the pharmacotherapeutic group of topical antivaricose agents.

Thrombocid Forte is indicated for:

  • Local symptomatic relief of superficial venous disorders such as heaviness and tightness in legs with varices in adults.
  • Local symptomatic relief of superficial hematomas caused by blows in adults and children over 1 year of age.

You should consult a doctor if your symptoms worsen or do not improve after 5 days.

Doctor consultation

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2. What you need to know before using THROMBOCID FORTE

Do not use Thrombocid Forte

  • If you are allergic to sodium pentosan polysulfate or any of the other components of this medication (listed in section 6).
  • If you have significant coagulation disorders.
  • Do not apply to mucous membranes, ulcers, or open or infected wounds.

Warnings and precautions

Consult your doctor or pharmacist before starting to use Thrombocid Forte.

  • This medication is for external use only (on the skin).
  • It should only be used on intact skin.
  • Eye contact should be avoided.
  • In case of venous problems caused by blood clots (such as thromboembolism), it is recommended to apply the product gently and without massage.
  • It should not be used for prolonged periods or on very extensive areas of the skin.

Children:

Thrombocid Forte should not be used in children under 1 year of age, as no studies have been conducted in this population.

Other medications and Thrombocid Forte

It is not recommended to apply other topical preparations to the same area.

Inform your doctor or pharmacist if you are using, have recently used, or may need to use any other medication.

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 any medication.

Driving and using machines

The influence of Thrombocid Forte on the ability to drive and use machines is nil or insignificant.

Thrombocid Forte contains cetearyl alcohol, propylene glycol (E1520), ethyl parahydroxybenzoate (E214), and methyl parahydroxybenzoate (E218).

This medication may cause local skin reactions (such as contact dermatitis) because it contains cetearyl alcohol.

This medication contains 50 mg of propylene glycol per gram of ointment. Propylene glycol may cause skin irritation.

It may cause allergic reactions (possibly delayed) because it contains ethyl parahydroxybenzoate and methyl parahydroxybenzoate.

3. How to use THROMBOCID FORTE

Follow the administration instructions for the medication contained in this package leaflet or as indicated by your doctor or pharmacist. If in doubt, ask your doctor or pharmacist.

The recommended dose is:

  • Adults and children over 1 year of age: Apply a thin layer of ointment to the affected skin area, 3 or 4 times a day.
  • Children under 1 year of age: Thrombocid Forte is not recommended for use in children under 1 year of age due to lack of information in this population.

Apply the preparation by gently massaging to facilitate penetration and wash your hands after each application. Generally, no dressing is needed, although it can be covered with a gauze or compress if necessary.

If your symptoms worsen or last more than 5 days, or if irritation or worsening occurs, discontinue application and consult your doctor.

If you think the effect of Thrombocid Forte is too strong or too weak, inform your doctor or pharmacist.

If you use more Thrombocid Forte than you should

Due to its external use, it is unlikely to cause intoxication.

In case of overdose or accidental ingestion, consult your doctor or pharmacist or call the Toxicology Information Service. Phone 915 62 04 20, indicating the medication and the amount ingested.

Medicine questions

Started taking the medicine and have questions?

Discuss your symptoms and treatment with a doctor online.

4. Possible side effects

Like all medications, Thrombocid Forte may cause side effects, although not everyone will experience them.

Very rare (affects less than 1 in 10,000 patients) allergic reactions have been observed at the application site, which can manifest as itching and irritation and disappear upon discontinuation of treatment.

If you consider that any of the side effects you are experiencing is serious or if you notice any side effect not mentioned in this package leaflet, inform your doctor or pharmacist.

Reporting side effects

If you experience any type of side effect, consult your doctor or pharmacist, even if it is a possible side effect not listed in this package leaflet. You can also report them directly through the Spanish Medication Surveillance System for Human Use: www.notificaRAM.es. By reporting side effects, you can contribute to providing more information on the safety of this medication.

5. Storage of THROMBOCID FORTE

Keep out of sight and reach of children.

Keep the tube perfectly closed.

Do not store at a temperature above 30 °C.

Expiry date

Do not use this medication after the expiry date stated on the packaging after CAD. The expiry date is the last day of the month indicated.

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

6. Package contents and additional information

Composition of Thrombocid Forte

  • The active ingredient is sodium pentosan polysulfate. Each gram of ointment contains 5 mg of sodium pentosan polysulfate.
  • The other ingredients (excipients) are cetearyl alcohol, cetearyl ether of macrogol, glycerol (E422), propylene glycol (E1520), decyl oleate, phenoxyethanol, methyl parahydroxybenzoate (E218), ethyl parahydroxybenzoate (E214), sodium hydroxide (for pH adjustment) (E524), and water.

Appearance of the product and package contents

It is presented in tubes containing 30, 60, and 100 g of ointment.

Marketing authorization holder and manufacturer

LACER, S.A. – Boters, 5

08290 Cerdanyola del Vallès

Barcelona - Spain

Date of the last revision of this package leaflet:July2025

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

Online doctors for THROMBOCID FORTE 5 mg/g OINTMENT

Discuss questions about THROMBOCID FORTE 5 mg/g OINTMENT, including use, safety considerations and prescription review, subject to medical assessment and local regulations.

5.0 (5)
Doctor

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. Patients commonly seek his care for: 

  • seasonal and perennial allergies
  • allergic rhinitis and chronic nasal symptoms
  • asthma and breathing difficulties
  • food and medication allergies
  • urticaria, atopic dermatitis and skin reactions
  • recurrent infections in children
  • sports-related health questions
  • general family medicine concerns

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 THROMBOCID FORTE 5 mg/g OINTMENT?

THROMBOCID FORTE 5 mg/g OINTMENT does not require 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 THROMBOCID FORTE 5 mg/g OINTMENT?

The active ingredient in THROMBOCID FORTE 5 mg/g OINTMENT is pentosan polysulfate sodium. This information helps identify medicines with the same composition but different brand names.

Who manufactures THROMBOCID FORTE 5 mg/g OINTMENT?

THROMBOCID FORTE 5 mg/g OINTMENT is manufactured by Lacer S.A.. Pharmacy brands and packaging may differ depending on the distributor.

Which doctors can assess the use of THROMBOCID FORTE 5 mg/g OINTMENT 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 THROMBOCID FORTE 5 mg/g OINTMENT is appropriate, depending on your situation and local regulations. You can book an online consultation to discuss your symptoms and possible next steps.

How to buy THROMBOCID FORTE 5 mg/g OINTMENT in Spain?

Spain has a well-developed healthcare infrastructure across major cities such as Madrid, Barcelona, Valencia, and Seville. Pharmacies are widely available and operate under strict regulations, ensuring access to prescribed medications.

You can buy THROMBOCID FORTE 5 mg/g OINTMENT in Madrid, Barcelona, Seville, or Valencia at any local pharmacy with a valid prescription.

To obtain a prescription, you can use Oladoctor:

What are the alternatives to THROMBOCID FORTE 5 mg/g OINTMENT?

Other medicines with the same active substance (pentosan polysulfate sodium) include THROMBOCID 1mg/g OINTMENT, TROMBOBEN 1 mg/g CREAM, TROMBOBEN FORTE 5 mg/g CREAM. 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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