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SIRDALUD 2 mg TABLETS

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About the medicine

How to use SIRDALUD 2 mg TABLETS

Translated with AI

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

Sirdalud 2 mg tablets

Tizanidine

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

  • Keep this 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 signs of illness 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 leaflet. See section 4.

Contents of the package leaflet:

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

1. What is Sirdalud and what is it used for

Sirdalud belongs to a group of medicines called muscle relaxants (medicines used to relax muscles). It is indicated for the treatment of muscle problems associated with:

  • spinal problems, such as lumbago and torticollis
  • surgical interventions, such as herniated disc or inflammatory disease of the hip

chronic hip disease

  • neurological disorders such as multiple sclerosis (a disease that affects the coating of the central nerves), chronic myelopathy (spinal cord injury), degenerative disorders of the spinal cord, cerebrovascular accidents (strokes or cerebral hemorrhages) or cerebral palsy.
Doctor consultation

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2. What you need to know before you take Sirdalud

Do not take Sirdalud

  • If you are allergic to the active substance or any of the other ingredients of this medicine (listed in section 6)
  • If you have severe liver disease
  • If you are taking medicines that contain fluvoxamine (used to treat depression) or ciprofloxacin (an antibiotic used to treat infections)

Warnings and precautions

Talk to your doctor or pharmacist before you start taking this medicine, especially:

  • If you have any liver or kidney disease, as your doctor may need to adjust your dose of Sirdalud
  • If you are taking more than 6 tablets (12 mg of tizanidine) per day and you feel nauseous, tired, and have no appetite, you should tell your doctor, as you may need to have periodic tests to check your liver function
  • If you are taking blood pressure medications at the same time, as Sirdalud can cause low blood pressure, especially when standing up or getting up
  • Sirdalud can cause serious symptoms due to low blood pressure, such as loss of consciousness and circulatory collapse (the volume of fluid circulating in the body is not enough to maintain normal metabolism)
  • If you are taking oral contraceptives at the same time, your doctor may need to adjust the dose of Sirdalud
  • If you are a smoker (more than 10 cigarettes per day).
  • If you are pregnant or plan to become pregnant, as Sirdalud may be harmful to the fetus.
  • Before starting treatment with Sirdalud, your doctor may ask you to have a pregnancy test to make sure you are not pregnant. During treatment with Sirdalud and at least until one day after stopping it, it is also recommended to use reliable methods to avoid pregnancy. Consult your doctor about the most suitable methods to use during this period.
    • Do not stop treatment abruptly, consult your doctor, as it may cause hypertension and tachycardia, especially if you are taking antihypertensives.
    • It can cause hypersensitivity reactions, see section 4.
    • It can cause visual disturbances and sedation, and may interfere with daily activities.

Taking Sirdalud with other medicines

Tell your doctor or pharmacist if you are using, have recently used, or might use any other medicines:

  • fluvoxamine (used to treat depression) is contraindicated
  • ciprofloxacin (an antibiotic used to treat infections) is contraindicated
  • antiarrhythmics (medicines used to treat heart rhythm disorders)
  • cimetidine (medicines used to treat duodenal or gastric ulcers)
  • cisapride (medicines used to treat heartburn and esophageal reflux)
  • fluoroquinolones, acitromycin, and rifampicin (antibiotics used to treat certain infections)
  • rofecoxib (medicines used to relieve pain or inflammation)
  • oral contraceptives (medicines used to prevent unwanted pregnancies), as they may increase the effects of Sirdalud
  • amitriptyline (medicines used to treat depression)
  • ticlopidine (a medicine used to reduce the risk of stroke)

Sirdalud may increase the effects of:

  • antihypertensives (medicines used to treat high blood pressure)
  • diuretics (medicines that increase urine production)
  • sedatives (medicines that decrease nervous excitement)
  • hypnotics (sleeping medicines)
  • antihistamines (medicines used for allergies)
  • potent analgesics (medicines used to treat intense pain)

Taking Sirdalud with food and drinks

Alcohol may increase the sedative effects of Sirdalud, so it is recommended that you do not drink alcohol while taking this medicine.

Pregnancy and breastfeeding

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.

Do not take this medicine during pregnancy or breastfeeding. A pregnancy test is recommended before starting treatment.

Use contraceptive methods in women of childbearing age during treatment and at least until one day after stopping it.

Driving and using machines

Sirdalud may make you feel drowsy, dizzy, and cause sweating, see flashes, so you should not drive or use hazardous machinery while taking this medicine.

Important information about some of the ingredients of Sirdalud

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

3. How to take Sirdalud

Follow the instructions for administration of this medicine contained in this leaflet or as indicated by your doctor. If you are unsure, ask your doctor or pharmacist.

Remember to take your medicine. Your doctor will tell you the duration of your treatment with Sirdalud. Do not stop it before or prolong it.

Swallow the tablets with a glass of water. The tablets can be broken in half.

The recommended dose is:

Adults

One or two tablets (2 mg to 4 mg of tizanidine) three times a day. In severe cases, it can be increased up to a maximum daily dose of eight tablets (16 mg of tizanidine). Patients with neurological disorders should not take more than eighteen tablets per day (36 mg of tizanidine).

Patients with kidney disease

A dose reduction may be necessary if you have kidney disease, so you should inform your doctor so that they can adjust the dose accordingly.

Patients with liver disease

A dose reduction or contraindication of the medicine may be necessary if you have liver disease, so you should inform your doctor so that they can adjust the dose accordingly.

Use in children

Experience in children is limited, therefore, its use is not recommended in children under 18 years of age.

Elderly

Experience in the elderly is limited. Treatment should be started with the lowest dose and your doctor will adjust the dose accordingly.

If you take more Sirdalud than you should

Tell your doctor or pharmacist or go to the nearest hospital. You may need urgent medical attention. The symptoms of overdose are nausea, vomiting, low blood pressure, slow heart rate, dizziness, drowsiness, pupil constriction, agitation, difficulty breathing, or coma.

In cases of overdose or accidental ingestion, consult the Toxicology Information Service. Telephone 91 562 04 20. It is recommended to take the packaging and the leaflet of the medicine to the healthcare professional.

If you forget to take Sirdalud

Do not take a double dose to make up for forgotten doses. Take the missed dose as soon as possible, unless it is almost time for the next dose, in which case skip the missed dose and take the next dose when it is due.

If you stop taking Sirdalud

Do not change or stop taking Sirdalud without first consulting your doctor. Your doctor will gradually reduce the dose before stopping treatment completely. This will prevent worsening and reduce the risk of hypertension (high blood pressure, headache, dizziness) or tachycardia (rapid heart rate).

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

Medicine questions

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4. Possible side effects

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

Very common(at least 1 in 10 patients) are:

Nervous system disorders: drowsiness, dizziness

Gastrointestinal disorders: gastrointestinal disturbances, dry mouth

General disorders and administration site conditions: fatigue

Musculoskeletal and connective tissue disorders: muscle weakness

Common(at least 1 in 100 patients but less than 1 in 10 patients) are:

Psychiatric disorders: insomnia, sleep disorders

Vascular disorders: decreased blood pressure. Consult your doctor immediately.

Gastrointestinal disorders: nausea

Investigations: a transient increase in liver enzymes (transaminases) may occur.

Uncommon(at least 1 in 1000 patients but less than 1 in 100 patients) are:

Cardiac disorders: slow heart rate.

Frequency not known(cannot be estimated from the available data):

Immune system disorders: allergic reactions, severe allergic reactions including difficulty breathing, dizziness (anaphylaxis) and swelling mainly of the face and throat (angioedema). Consult your doctor immediately.

Psychiatric disorders: hallucinations, confusion. Consult your doctor immediately.

Nervous system disorders: vertigo, speech confusion

Vascular disorders: fainting

Eye disorders: blurred vision

Gastrointestinal disorders: stomach pain, vomiting

Hepatobiliary disorders: acute hepatitis, liver failure. Consult your doctor immediately.

Skin and subcutaneous tissue disorders: skin inflammation with rash (dermatitis), skin redness (erythema), itching (pruritus), and itchy rash (urticaria and rash).

General disorders: loss of vitality and withdrawal symptoms (rebound hypertension and tachycardia).

Reporting of side effects

If you experience any side effects, talk to your doctor or pharmacist. This includes any possible side effects not listed in this leaflet. You can also report side effects directly through the Spanish Medicines and Healthcare Products Agency (AEMPS) website: https://www.notificaram.es. By reporting side effects, you can help provide more information on the safety of this medicine.

5. Storage of Sirdalud

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

No special storage conditions are required.

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

Do not use this medicine if you notice that the packaging is damaged or shows signs of tampering.

Medicines should not be disposed of via wastewater or household waste. Return any unused medicine to your pharmacist. They will dispose of it in an environmentally friendly way. If you have any further questions, ask your pharmacist.

6. Contents of the pack and other information

Composition ofSirdalud

  • The active substance is tizanidine.

Each tablet contains 2 mg of tizanidine (as hydrochloride).

  • The other ingredients are lactose, microcrystalline cellulose, stearic acid, and anhydrous colloidal silica.

Appearance of the product and pack contents

Sirdalud 2 mg tablets are presented as a circular tablet, white in color, scored with the mark OZ. Each pack contains 30 tablets.

Marketing authorisation holder

BEXAL FARMACÉUTICA, S.A.

Centro Empresarial Parque Norte

Edificio Roble

C/ Serrano Galvache, 56

28033 Madrid

Spain

Manufacturer

Novartis Farmacéutica, S. A.

Gran Vía de les Corts Catalanes, 764

08013 Barcelona, Spain

or

Novartis Pharma GmbH

Roonstrasse 25

90429 Nuremberg, Germany

or

Lek Pharmaceuticals d.d.

Verovskova Ulica 57,

Ljubljana 1526,

Slovenia

Date of last revision of this leaflet:January 2020

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

Online doctors for SIRDALUD 2 mg TABLETS

Discuss questions about SIRDALUD 2 mg TABLETS, including use, safety considerations and prescription review, subject to medical assessment and local regulations.

5.0 (69)
Doctor

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:

  • Diagnosis and treatment of acute and chronic conditions (high blood pressure, diabetes, respiratory infections, cardiovascular symptoms)
  • Evaluation of symptoms and guidance on further diagnostic testing
  • Preventive check-ups and regular health monitoring
  • Medical support during travel or after relocation
  • 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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€69
5.0 (63)
Doctor

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
  • Family medicine: hypertension, diabetes, cholesterol, chronic disease management
  • Travel medicine: pre-travel advice, vaccinations, fit-to-fly certificates, travel-related illnesses
  • Sexual and reproductive health: PrEP, STD prevention, counselling, treatment
  • Weight management and wellness: personalised weight loss programmes, lifestyle guidance
  • Skin and ENT issues: acne, eczema, allergies, rashes, sore throat, sinusitis
  • Pain management: acute and chronic pain, post-surgical care
  • Public health: prevention, health screenings, long-term monitoring
  • Sick leave (Baixa médica) connected to Segurança Social in Portugal
  • IMT medical certificates for driving licence exchange
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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€59
5.0 (3)
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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€80

Frequently Asked Questions

Is a prescription required for SIRDALUD 2 mg TABLETS?
SIRDALUD 2 mg TABLETS 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 SIRDALUD 2 mg TABLETS?
The active ingredient in SIRDALUD 2 mg TABLETS is tizanidine. This information helps identify medicines with the same composition but different brand names.
How much does SIRDALUD 2 mg TABLETS cost in pharmacies?
The average pharmacy price for SIRDALUD 2 mg TABLETS is around 3.68 EUR. Prices may vary depending on the manufacturer and dosage form.
Who manufactures SIRDALUD 2 mg TABLETS?
SIRDALUD 2 mg TABLETS is manufactured by Bexal Farmaceutica S.A.. Pharmacy brands and packaging may differ depending on the distributor.
Which doctors can assess the use of SIRDALUD 2 mg 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 SIRDALUD 2 mg 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 SIRDALUD 2 mg TABLETS?
Other medicines with the same active substance (tizanidine) include SIRDALUD 4 mg TABLETS, ADALGUR 500 mg/2 mg TABLETS, BACLOFEN COMBIX 10 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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