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HYDROXIL B1-B6-B12 FILM-COATED TABLETS

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About the medicine

How to use HYDROXIL B1-B6-B12 FILM-COATED TABLETS

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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

Hidroxil B1-B6-B12film-coated tablets

thiamine hydrochloride / pyridoxine hydrochloride / cyanocobalamin

Read all of this leaflet carefully before you start taking this medicine because it contains important information for you.

Follow exactly the administration instructions of the medicine contained in this leaflet or as indicated by your doctor or pharmacist.

  • Keep this 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 it is a side effect not listed in this leaflet. See section 4.
  • You should consult a doctor if it worsens or does not improve after 7 days.

Contents of the Package Leaflet

  1. What Hidroxil is and what it is used for.
  2. What you need to know before taking Hidroxil.
  3. How to take Hidroxil.
  4. Possible side effects.
  5. Storage of Hidroxil.
  1. Contents of the pack and further information.

1. What Hidroxil is and what it is used for

The active ingredients of Hidroxil are the water-soluble vitamins B1 (thiamine), B6 (pyridoxine), and B12 (cyanocobalamin) that are involved in numerous human metabolic processes.

Hidroxil is indicated in: Prevention and treatment of deficiency of vitamins B1, B6, and B12, due to increased needs, reduced consumption, or absorption, which could manifest as symptoms of back pain, in convalescences, or insufficient diets.

Hidroxil B1-B6-B12 film-coated tablets are indicated in adults and adolescents over 14 years of age.

Doctor consultation

Not sure if this medicine is right for you?

Discuss your symptoms and treatment with a doctor online.

2. What you need to know before taking Hidroxil

Do not take Hidroxil:

  • If you are allergic to vitamin B1, B6, or the various forms of vitamin B12, cobalt, or any of the other components of this medicine (listed in section 6).
  • If you are being treated with levodopa (a medicine for Parkinson's disease).
  • If you have Leber's disease (hereditary optic nerve atrophy) or tobacco amblyopia (decreased visual acuity that can occur in people who abuse tobacco), as they may worsen.

Due to the doses it contains, do not take this medicine:

  • If you have kidney or liver disease.
  • If you are pregnant or breastfeeding.
  • Children under 14 years of age.

Warnings and precautions

Consult your doctor or pharmacist before starting to take Hidroxil.

  • Do not take a higher dose than recommended or for a longer period than recommended.
  • If you have a blood disease, such as anemia, your doctor should check the cause before taking vitamin B12.
  • There have been cases of dependence and withdrawal when taking pyridoxine (vitamin B6) for a month, even at doses lower than those contained in this medicine.
  • You should avoid exposure to the sun due to a possible risk of photosensitivity (with skin lesions such as rash or blisters).
  • If you have previously had an allergy to vitamin B1 through skin contact (contact dermatitis) for professional reasons, you may experience a relapse when taking this medicine.

Interference with analytical tests

If you are going to undergo any diagnostic test (including blood tests, urine tests, skin tests that use allergens, etc.), inform your doctor that you are taking this medicine, as it may alter the results. In some determinations of urobilinogen, theophylline, uric acid, or antibodies against intrinsic factor (IF), false results may occur.

Children

This medicine is contraindicated in children under 14 years of age.

Other medicines and Hidroxil

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

This medicine may interact with the following medicines:

  • Levodopa (a medicine for the treatment of Parkinson's disease).
  • Phenobarbital, phenytoin (for the treatment of epilepsy).
  • Altretamine (for the treatment of cancer).
  • Amiodarone (for the heart).
  • Neuromuscular blocking agents (used in anesthesia for surgery).
  • 5-Fluorouracil (for some types of cancer).
  • Several medicines can interfere with pyridoxine (vitamin B6) and may reduce its levels, including: antibiotics for the treatment of tuberculosis (isoniazid, cycloserine, ethionamide, and pyrazinamide), penicillamine (for rheumatic diseases), hydralazine (for high blood pressure), immunosuppressants such as corticosteroids, cyclosporine (used in organ transplantation, among other diseases).
  • Several medicines can decrease the absorption of vitamin B12 or reduce its effect, such as: high doses of ascorbic acid, antibiotics such as neomycin and chloramphenicol, colchicine (for the treatment of gout), H2 antagonists (medicines against acidity or stomach ulcers), aminosalicylic acid in long-term treatments (for intestinal diseases), omeprazole (for stomach ulcers), medicines for epilepsy, metformin (for diabetes), high doses of folic acid.
  • Oral contraceptives may reduce the levels of vitamins B6 and B12.

Taking Hidroxil with alcohol

Excessive alcohol consumption reduces the absorption of vitamins.

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.

Due to the doses of vitamins B contained in Hidroxil, which are much higher than those recommended during pregnancy and breastfeeding, this medicine is contraindicated during pregnancy and breastfeeding.

Hidroxil is not recommended in women of childbearing age who do not use an effective contraceptive method.

Driving and using machines

The influence of Hidroxil on the ability to drive and use machines is negligible or nonexistent. This medicine can cause drowsiness in a few patients, who should not drive and/or operate hazardous machinery during treatment.

Hidroxil contains sodium

This medicine contains less than 23 mg of sodium (1 mmol) per tablet; it is essentially "sodium-free".

3. How to take Hidroxil

Follow exactly the administration instructions of the medicine contained in this leaflet or as indicated by your doctor or pharmacist. In case of doubt, ask your doctor or pharmacist.

The recommended dose is:

Adults and adolescents over 14 years of age

1 tablet per day

In general, treatment should not exceed 15 days, although your doctor may recommend administration for a longer period.

If it worsens or does not improve after 7 days of treatment, you should consult your doctor.

Oral route.

It is preferable to swallow the tablets whole, with enough water.

Patient with hepatic or renal insufficiency

These patients should not take Hidroxil (see section 2).

Use in children

This medicine is contraindicated in children under 14 years of age (see section 2).

If you take more Hidroxil than you should

If you have taken more Hidroxil than you should, you may experience symptoms such as: gastrointestinal disorders (diarrhea, nausea, vomiting) and headache. Due to the content of pyridoxine, you may experience nervous disorders such as altered or reduced sensitivity, paresthesia, numbness in hands and feet, unsteady gait, etc.; you may also experience photosensitivity with skin lesions such as blisters; drowsiness, lethargy, difficulty breathing, among other effects, depending on the dose, increased serum concentrations of AST (SGOT) (a transaminase) and decreased serum concentrations of folic acid. In rare cases, a severe allergic reaction (anaphylactic shock) may occur.

In children, accidental ingestion of very high doses of vitamin B6 can also cause deep sedation, weakness, and difficulty breathing.

In case of overdose or accidental ingestion, consult your doctor or pharmacist immediately, go to a medical center, or call the Toxicology Information Service, phone: 915 62 04 20, indicating the medicine and the amount taken.

If you forget to take Hidroxil

Do not take a double dose to make up for forgotten doses.

If you have any other doubts about the use of this medicine, ask your doctor or pharmacist.

Medicine questions

Started taking the medicine and have questions?

Discuss your symptoms and treatment with a doctor online.

4. Possible side effects

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

The assessment of side effects that can occur is based on the following frequencies: 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), and very rare (may affect up to 1 in 10,000 people).

Uncommonly, the following may appear: nausea, vomiting, headache, drowsiness, paresthesia (tingling sensation in arms and legs), and skin rash (redness or swelling). Allergic reactions (hypersensitivity reactions) to vitamins B1, B6, and B12 have also been described.

Other side effects that have been reported, with an unknown frequency, are: gastrointestinal disorders, diarrhea, loss of appetite (with high doses), photosensitivity with skin lesions such as blisters; very occasionally, a decrease in the number of platelets (thrombocytopenia); dizziness, restlessness, insomnia; disorders with reduced sensitivity and paresthesia, among other symptoms, which usually decrease when treatment is discontinued; changes in urine color, occasionally anaphylactic reaction with itching, difficulty breathing; vitamin B1 can rarely cause delayed hypersensitivity.

If an allergic reaction occurs, treatment should be discontinued and your doctor consulted immediately to apply appropriate treatment.

Reporting of side effects

If you experience any side effects, consult your doctor or pharmacist, even if it is a possible side effect not listed in this leaflet. You can also report them directly through the Spanish Medicines Monitoring System: https://www.notificaram.es. By reporting side effects, you can help provide more information on the safety of this medicine.

5. Storage of Hidroxil

Store below 25°C.

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

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

Medicines should not be disposed of via wastewater or household waste. Return the packaging and any unused medicine to a pharmacy. If in doubt, ask your pharmacist how to dispose of the packaging and any unused medicine. This will help protect the environment.

6. Contents of the pack and further information

Composition of Hidroxil B1-B6-B12film-coated tablets

  • The active ingredients are thiamine hydrochloride (vitamin B1), pyridoxine hydrochloride (vitamin B6), and cyanocobalamin (vitamin B12).

Each tablet contains 250 mg of thiamine hydrochloride, 250 mg of pyridoxine hydrochloride, and 500 micrograms of cyanocobalamin.

  • The other ingredients (excipients) are: copovidone, sodium carboxymethyl starch (potato), sodium stearyl fumarate, modified cornstarch, citric acid, trisodium citrate, silicon dioxide, hypromellose, titanium dioxide (E-171), natural wax, glycerol, medium-chain triglycerides, and carmine (E-120).

Appearance of the product and contents of the pack

This medicine is presented in the form of pink, biconvex, elliptical film-coated tablets.

Packs of 15 and 30 tablets.

Marketing authorization holder and manufacturer

Marketing authorization holder

Almirall, S.A.

General Mitre, 151

08022 – Barcelona (Spain)

Manufacturer

Industrias Farmacéuticas Almirall, S.A.

Ctra. de Martorell, 41-61

08740 - Sant Andreu de la Barca (Barcelona) (Spain)

Date of the last revision of this leaflet:January 2022.

Detailed 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 HYDROXIL B1-B6-B12 FILM-COATED TABLETS

Discuss questions about HYDROXIL B1-B6-B12 FILM-COATED TABLETS, including use, safety considerations and prescription review, subject to medical assessment and local regulations.

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Doctor

Chikeluo Okeke

General medicine 4 years exp.

Dr Chikeluo Okeke is an internal medicine doctor with extensive international clinical experience. Originally from Nigeria, he has worked across multiple European healthcare systems and currently practises in Sweden. This professional path has given him a strong understanding of different medical approaches and the ability to work effectively with patients from diverse cultural and linguistic backgrounds.

Dr Okeke focuses on general internal medicine and adult primary care, combining clinical accuracy with careful attention to lifestyle, personal context, and everyday health concerns. His consultations are particularly well suited for people who seek medical advice online, live abroad, or need clear guidance without unnecessary complexity.

He provides online consultations covering symptom assessment, prevention, and long-term management of chronic conditions, helping patients understand what is happening and decide on appropriate next steps.

Common reasons for consultation:

  • General internal medicine concerns and initial health assessment.
  • Acute symptoms such as fever, cough, infections, pain, or weakness.
  • Chronic conditions and treatment adjustment.
  • Blood pressure issues, fatigue, metabolic concerns.
  • Preventive consultations and routine check-ups.
  • Interpretation of laboratory results and medical reports.
  • Medical advice for patients receiving care online.

Dr Okeke is known for his clear communication, calm approach, and cultural awareness. He listens carefully, explains medical decisions in a structured way, and supports patients in making informed choices about their health.

Online consultations with Dr Chikeluo Okeke offer reliable internal medicine care without geographic limitations, focused on medical relevance, clarity, and patient comfort.

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€60
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Doctor

Hocine Lokchiri

General medicine 21 years exp.

Dr. Hocine Lokchiri is a French consultant with over 20 years of experience in General and Emergency Medicine. He works with adults and children, helping patients with urgent symptoms, infections, sudden health changes and everyday medical concerns that require timely evaluation. His background includes clinical practice in France, Switzerland and the United Arab Emirates, which allows him to navigate different healthcare systems and manage a wide range of conditions with confidence. Patients value his calm, structured approach, clear explanations and evidence-based decision-making.

Online consultations with Dr. Lokchiri are suitable for many situations when someone needs quick medical guidance, reassurance or a clear next step. Common reasons for booking include:

  • fever, chills, fatigue and viral symptoms
  • cough, sore throat, nasal congestion, breathing discomfort
  • bronchitis and mild asthma flare-ups
  • nausea, diarrhoea, abdominal pain, digestive infections
  • rashes, allergic reactions, redness, insect bites
  • muscle or joint pain, mild injuries, sprains
  • headache, dizziness, migraine symptoms
  • stress-related symptoms, sleep disturbances
  • questions about test results and treatment plans
  • management of chronic conditions in stable phases
Many patients reach out when symptoms appear suddenly and cause concern, when a child becomes unwell unexpectedly, when a rash changes or spreads, or when it’s unclear whether an in-person examination is necessary. His emergency medicine background is particularly valuable online, helping patients understand risk levels, identify warning signs and choose safe next steps.

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Dr. Lokchiri’s professional training includes:

  • Advanced Trauma Life Support (ATLS)
  • Basic and Advanced Cardiac Life Support (BLS/ACLS)
  • Pediatric Advanced Life Support (PALS)
  • Prehospital Trauma Life Support (PHTLS)
  • eFAST and critical care transthoracic echocardiography
  • aviation medicine
He is an active member of several professional organisations, including the French Society of Emergency Medicine (SFMU), the French Association for Emergency Physicians (AMUF) and the Swiss Society of Emergency and Rescue Medicine (SGNOR). In consultations, he works with clarity and precision, helping patients understand their symptoms, possible risks and the safest treatment options.
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Doctor

Daniel Cichi

Family medicine 24 years exp.

Dr Daniel Cichi is a family medicine doctor with over 20 years of clinical experience. He provides online consultations for adults, supporting patients with acute symptoms, chronic conditions, and everyday health concerns that require timely medical guidance. His background includes work in emergency care, ambulance services, and family medicine, which allows him to assess symptoms quickly, identify warning signs, and help patients choose the safest next steps – whether that means home care, treatment adjustment, or in-person evaluation. Patients commonly consult Dr Daniel Cichi for: 

  • acute symptoms: fever, infections, flu-like illness, cough, sore throat, shortness of breath;
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  • digestive problems: abdominal pain, nausea, diarrhoea, constipation, reflux;
  • sexually transmitted infections, erectile dysfunction;
  • muscle, joint, and back pain, minor injuries, post-traumatic symptoms;
  • chronic conditions: hypertension, diabetes, high cholesterol, thyroid disorders, weight loss, hair loss;
  • review and interpretation of lab tests, imaging reports, and medical documents;
  • medication review and treatment adjustment;
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  • second opinions and guidance on whether in-person care is needed.

Dr Cichi’s consultations are structured and practical. He focuses on clear explanations, risk assessment, and actionable recommendations, helping patients understand their symptoms and make informed decisions about their health.

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Doctor

Dmytro Horobets

Family medicine 7 years exp.

Dr. Dmytro Horobets is a licensed family medicine physician in Poland, specialising in endocrinology, diabetology, obesity management, gastroenterology, pediatrics, general surgery, and pain medicine. He offers online consultations for adults and children, providing personalised medical support for a wide range of acute and chronic health concerns.

Areas of expertise:

  • Endocrinology: diabetes type 1 and type 2, prediabetes, thyroid disorders, metabolic syndrome, hormonal imbalance.
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  • Gastroenterology: acid reflux (GERD), gastritis, irritable bowel syndrome (IBS), liver and biliary conditions.
  • Pediatric care: infections, respiratory symptoms, digestive issues, growth and development monitoring.
  • General surgery support: pre- and post-surgical consultations, wound care, rehabilitation.
  • Pain management: chronic and acute pain, back pain, joint pain, post-traumatic pain syndromes.
  • Cardiovascular health: hypertension, cholesterol control, risk assessment for heart disease.
  • Preventive medicine: regular check-ups, health screenings, long-term management of chronic conditions.

Dr. Horobets combines evidence-based medicine with a patient-centred approach. He carefully evaluates each patient’s medical history and symptoms, offering clear explanations and structured treatment plans adapted to individual needs.

Whether you need help managing diabetes, tackling weight-related health issues, interpreting lab results, or receiving general family medicine support, Dr. Horobets provides professional online care tailored to your specific health goals.

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€60
5.0 (144)
Doctor

Yevgen Yakovenko

General surgery 12 years exp.

Dr. Yevgen Yakovenko is a licensed surgeon and general practitioner in Spain and Germany. He specialises in general, paediatric, and oncological surgery, internal medicine, and pain management. He offers online consultations for adults and children, combining surgical precision with therapeutic support. Dr Yakovenko works with patients across different countries and provides care in Ukrainian, Russian, English, and Spanish.

Areas of medical expertise:

  • Acute and chronic pain: headaches, muscle and joint pain, back pain, abdominal pain, postoperative pain. Identifying the cause, selecting treatment, and creating a care plan.
  • Internal medicine: heart, lungs, gastrointestinal tract, urinary system. Management of chronic conditions, symptom control, second opinions.
  • Pre- and postoperative care: risk assessment, decision-making support, follow-up after surgery, rehabilitation strategies.
  • General and paediatric surgery: hernias, appendicitis, congenital conditions, both planned and urgent surgeries.
  • Injuries and trauma: bruises, fractures, sprains, soft tissue damage, wound care, dressing, referral when in-person care is required.
  • Oncological surgery: diagnosis review, treatment planning, and long-term follow-up.
  • Obesity treatment and weight management: a medical approach to weight loss, including assessment of underlying causes, evaluation of comorbidities, development of a personalised plan (nutrition, physical activity, pharmacotherapy if needed), and ongoing progress monitoring.
  • Imaging interpretation: analysis of ultrasound, CT, MRI, and X-ray results, surgical planning based on imaging data.
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Experience and qualifications:

  • 12+ years of clinical experience in university hospitals in Germany and Spain.
  • International education: Ukraine – Germany – Spain.
  • Member of the German Society of Surgeons (BDC).
  • Certified in radiological diagnostics and robotic surgery.
  • Active participant in international medical conferences and research.

Dr Yakovenko explains complex topics in a clear, accessible way. He works collaboratively with patients to analyse health issues and make evidence-based decisions. His approach is grounded in clinical excellence, scientific accuracy, and respect for each individual.

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Frequently Asked Questions

Is a prescription required for HYDROXIL B1-B6-B12 FILM-COATED TABLETS?
HYDROXIL B1-B6-B12 FILM-COATED TABLETS 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 HYDROXIL B1-B6-B12 FILM-COATED TABLETS?
The active ingredient in HYDROXIL B1-B6-B12 FILM-COATED TABLETS is Vitamin B1 in combination with vitamin B6 and/or vitamin B12. This information helps identify medicines with the same composition but different brand names.
Who manufactures HYDROXIL B1-B6-B12 FILM-COATED TABLETS?
HYDROXIL B1-B6-B12 FILM-COATED TABLETS is manufactured by Almirall S.A.. Pharmacy brands and packaging may differ depending on the distributor.
Which doctors can assess the use of HYDROXIL B1-B6-B12 FILM-COATED TABLETS 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 HYDROXIL B1-B6-B12 FILM-COATED TABLETS 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 HYDROXIL B1-B6-B12 FILM-COATED TABLETS?
Other medicines with the same active substance (Vitamin B1 in combination with vitamin B6 and/or vitamin B12) include BENEXOL B1-B6-B12 FILM-COATED TABLETS, NEUROMADE Hard Capsules, VITAGOBENS B1 B6 B12 FILM-COATED 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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