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CISTINE 250 mg TABLETS

CISTINE 250 mg TABLETS

Ask a doctor about a prescription for CISTINE 250 mg TABLETS

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Doctor

Svetlana Kolomeeva

Cardiology17 years of experience

Dr. Svetlana Kolomeeva is a general practitioner and internal medicine doctor providing online consultations for adults. She helps patients manage acute symptoms, chronic conditions, and preventive care. Her clinical focus includes cardiovascular health, hypertension control, and managing symptoms like fatigue, weakness, sleep issues, and overall low energy.

Patients commonly seek her help for:

  • High blood pressure, headaches, dizziness, swelling, palpitations.
  • Diagnosis and management of hypertension, arrhythmias, and tachycardia.
  • Metabolic syndrome, excess weight, high cholesterol.
  • Chronic fatigue, insomnia, poor concentration, anxiety.
  • Respiratory symptoms: colds, flu, sore throat, cough, fever.
  • Digestive issues: heartburn, bloating, constipation, IBS symptoms.
  • Chronic conditions: diabetes, thyroid disorders.
  • Interpretation of lab tests and medical reports, therapy adjustment.
  • Second opinion and decision-making support.
  • Cardiovascular disease prevention and metabolic risk reduction.
  • Long-term follow-up and dynamic health monitoring.

Dr Kolomeeva combines clinical expertise with personalised care. She clearly explains diagnoses, guides patients through symptoms and treatment options, and provides actionable plans. Her consultations are designed not only to address current complaints but also to stabilise chronic conditions and prevent future complications. She supports patients through every stage of care – from first symptoms to ongoing health management.

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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 CISTINE 250 mg TABLETS

Introduction

Package Leaflet: Information for the User

Cystine 250 mg Tablets

L-cystine

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

Follow the administration instructions of the medicine contained in this package leaflet or as indicated by your doctor or 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 side effects not listed in this package leaflet. See section 4.
  • You should consult a doctor if it worsens or does not improve after 15-30 days.

Contents of the Package Leaflet

  1. What Cystine Tablets are and what they are used for
  2. What you need to know before taking Cystine Tablets
  3. How to take Cystine Tablets
  4. Possible side effects

5 Conservation of Cystine Tablets

  1. Contents of the pack and additional information

1. What Cystine Tablets are and what they are used for

They contain an amino acid (component of proteins) that is part of keratin. Keratin is a fundamental constituent protein of the skin, hair, and nails.

Cystine is indicated in: Treatment of cystine deficiency (constituent of keratin), which could manifest with hair loss and/or nail fragility, caused by unbalanced or restrictive diets (weight loss, vegetarian, etc.).

Cystine Tablets are indicated in adults and adolescents over 14 years of age.

2. What you need to know before taking Cystine Tablets

Do not take Cystine:

  • if you are allergic to L-cystine or to any of the other components of this medicine (listed in section 6).
  • if you have cystinosis (hereditary disease with possible kidney stone formation).

Warnings and precautions

Consult your doctor or pharmacist before starting to take Cystine.

You should be cautious if you have disorders in the absorption or elimination of cystine.

Interference with analytical tests: If you are going to undergo any diagnostic test (including blood, urine, etc.), inform your doctor that you are taking this medicine, as it may alter the results.

Children

Do not administer this medicine to children under 14 years of age, as its safety and efficacy have not been established in children.

Taking Cystine with other medicines

Inform your doctor or pharmacist if you are taking/using, have recently taken, or may need to take any other medicine.

No drug interaction studies have been conducted with cystine.

Pregnancy and lactation

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

As a precautionary measure, do not take Cystine during pregnancy or breastfeeding.

Driving and using machines

Cystine Tablets do not affect the ability to drive or operate machines.

Cystine Tablets contain cornstarch (gluten-free) and sucrose

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.

3. How to take Cystine Tablets

Follow the administration instructions of the medicine contained in this package 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:

Oral route.

It is recommended to take 4 to 6 tablets a day, divided into the three main meals.

The tablets should be taken during meals with a glass of water.

If the symptoms do not improve or worsen after 15-30 days of treatment, you should stop it and consult your doctor.

If you take more Cystine than you should

There is no information on cases of intoxication.

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 (or go to a medical center).

If you forget to take Cystine

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

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

4. Possible side effects

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

No side effects have been described with the use of Cystine.

Reporting side effects

If you experience any type of side effect, consult your doctor, even if it is a possible side effect not listed in this package leaflet. You can also report them directly through the Spanish Medicines and Healthcare Products Agency (AEMPS) website: www.notificaRAM.es. By reporting side effects, you can help provide more information on the safety of this medicine.

5. Conservation of Cystine Tablets

No special storage conditions are required.

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

Do not use this medicine after the expiration date that appears on the packaging after CAD. The expiration date is the last day of the month indicated.

Medicines should not be disposed of through wastewater or household waste. Deposit the packaging and any unused medicines in the pharmacy's SIGRE point. In case of doubt, ask your pharmacist how to dispose of the packaging and any unused medicines. This will help protect the environment.

6. Contents of the pack and additional information

Composition of Cystine

  • The active ingredient is L-cystine. Each tablet contains 250 mg of L-cystine.
  • The other components (excipients) are: Cornstarch (gluten-free), sucrose, and talc.

Appearance of the product and contents of the pack

Cystine is presented in tablets; they are white and biconvex.

Each pack contains 40 tablets.

Marketing authorization holder and manufacturer

Marketing authorization holder

LA QUÍMICA MÉDICA, S.A.

Avda. de Sarriá, 146-148

08017 Barcelona

Tel. 93 203 21 51

Manufacturer

Noucor Health, S.A.

Avda. Camí Reial, 51-57

08184 Palau-solità i Plegamans (Barcelona)

Date of the last revision of this package leaflet: September 2013.

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.es

Alternatives to CISTINE 250 mg TABLETS in other countries

The best alternatives with the same active ingredient and therapeutic effect.

Alternative to CISTINE 250 mg TABLETS in Ukraine

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Online doctors for CISTINE 250 mg TABLETS

Discuss dosage, side effects, interactions, contraindications, and prescription renewal for CISTINE 250 mg TABLETS – subject to medical assessment and local rules.

0.0(1)
Doctor

Svetlana Kolomeeva

Cardiology17 years of experience

Dr. Svetlana Kolomeeva is a general practitioner and internal medicine doctor providing online consultations for adults. She helps patients manage acute symptoms, chronic conditions, and preventive care. Her clinical focus includes cardiovascular health, hypertension control, and managing symptoms like fatigue, weakness, sleep issues, and overall low energy.

Patients commonly seek her help for:

  • High blood pressure, headaches, dizziness, swelling, palpitations.
  • Diagnosis and management of hypertension, arrhythmias, and tachycardia.
  • Metabolic syndrome, excess weight, high cholesterol.
  • Chronic fatigue, insomnia, poor concentration, anxiety.
  • Respiratory symptoms: colds, flu, sore throat, cough, fever.
  • Digestive issues: heartburn, bloating, constipation, IBS symptoms.
  • Chronic conditions: diabetes, thyroid disorders.
  • Interpretation of lab tests and medical reports, therapy adjustment.
  • Second opinion and decision-making support.
  • Cardiovascular disease prevention and metabolic risk reduction.
  • Long-term follow-up and dynamic health monitoring.

Dr Kolomeeva combines clinical expertise with personalised care. She clearly explains diagnoses, guides patients through symptoms and treatment options, and provides actionable plans. Her consultations are designed not only to address current complaints but also to stabilise chronic conditions and prevent future complications. She supports patients through every stage of care – from first symptoms to ongoing health management.

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  • Ear pain, otitis (middle ear infections), earwax buildup, hearing loss.
  • Sore throat, tonsillitis, pharyngitis, chronic throat irritation.
  • Hoarseness, loss of voice, laryngitis.
  • Allergic rhinitis, sneezing, nasal itching, seasonal allergies.
  • Snoring, mouth breathing, enlarged adenoids.
  • Frequent colds, lingering post-viral symptoms.
  • Foreign objects in the ear or nose.
  • ENT-related check-ups and chronic condition follow-up.

Dr. Fursenko helps patients manage symptoms early, avoid complications, and receive timely treatment. Online ENT consultations are a convenient way to access care for both urgent and recurring conditions — from anywhere.

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Dr. Alina Tsurkan is a licensed family medicine physician based in Portugal, offering online consultations for adults and children. She provides professional primary care, with a focus on prevention, accurate diagnosis, and long-term management of acute and chronic conditions.

Dr. Tsurkan supports patients with a wide range of health issues, including:

  • Respiratory infections: cold, flu, bronchitis, pneumonia, and lingering coughs.
  • ENT conditions: sinusitis, tonsillitis, otitis (ear infections), sore throat, allergic rhinitis.
  • Eye conditions: allergic or infectious conjunctivitis, red eyes, irritation.
  • Digestive issues: acid reflux (GERD), gastritis, irritable bowel syndrome (IBS), constipation, bloating, nausea.
  • Urinary and reproductive health: urinary tract infections (UTIs), cystitis, prevention of recurrent infections.
  • Chronic diseases: hypertension, elevated cholesterol, weight management.
  • Neurological complaints: headaches, migraines, sleep disturbances, fatigue, general weakness.
  • Children’s health: fever, infections, digestive issues, follow-ups, vaccination guidance.

She also provides:

  • IMT medical certificates for driving licence exchange in Portugal.
  • Personalised preventive care and wellness consultations.
  • Interpretation of test results and medical reports.
  • Follow-up care and medication review.
  • Support in managing multiple coexisting conditions.
  • Remote prescription management and medical documentation.

Dr. Tsurkan’s approach is evidence-based and holistic. She works closely with each patient to develop an individualised care plan that addresses both symptoms and root causes. Her goal is to empower patients to take control of their health and maintain well-being through lifestyle adjustments, routine check-ups, and early intervention.

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  • Development of tailored treatment plans based on clinical guidelines.

With a patient-centred approach, Dr. Raevskii helps individuals manage both chronic illnesses and complex oncological cases. His consultations are guided by current medical standards and adapted to each patient’s needs.

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Areas of expertise include:

  • Diagnosis and treatment of hypertension, coronary artery disease, and chronic heart failure
  • Management of arrhythmias and conduction disorders, including paroxysmal events
  • Emergency care: myocardial infarction, acute left ventricular failure, acute pulmonary heart disease
  • Post-thromboembolism care and evaluation of cardiomyopathies
  • Treatment of vegetative dysfunction and autonomic disorders
  • Interpretation of cardiovascular tests: ECG, Holter monitoring, ambulatory blood pressure monitoring (ABPM), echocardiography (including transesophageal echo), stress echocardiography, exercise testing (VEM, treadmill test)
Dr. Tabeshadze combines extensive diagnostic experience with personalised care. She helps patients understand their cardiovascular health, navigate symptoms and diagnoses, and create tailored treatment plans to improve quality of life and reduce long-term risks.
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  • Diagnostic consultations for suspected endocrine disorders
  • Management of thyroid conditions, including in pregnant women
  • Early detection and treatment of type 1 and type 2 diabetes, with personalised therapy plans
  • Obesity treatment: identifying underlying causes of weight gain, combining medication and non-pharmacological strategies, and long-term support
  • Diagnosis and treatment of endocrine-related skin, hair, and nail issues
  • Ongoing care for patients with osteoporosis, pituitary, and adrenal gland disorders
Dr. Tabeshadze takes a patient-centred approach based on evidence-based medicine. Her goal is to help patients achieve hormonal balance, manage chronic conditions effectively, and improve overall well-being through targeted, personalised care.
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What patients commonly consult her for:

  • High blood pressure, type 2 diabetes, cholesterol management
  • Cold and flu symptoms: fever, cough, sore throat
  • Fatigue, sleep problems, headaches, general discomfort
  • Ongoing care for chronic conditions and medication review
  • Help interpreting test results and lab reports
  • Preventive check-ups and advice on healthy lifestyle habits

Dr Kovalenko combines evidence-based practice with a respectful, patient-centred approach. She takes time to explain, listens attentively, and helps each person make confident, informed decisions about their health.

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  • Inflammatory diseases of the genitourinary system: acute and chronic cystitis, pyelonephritis, epididymitis, orchitis, urethritis.
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If you are seeking qualified assistance in diagnosing or treating urological conditions, book an online consultation with Dr. Giorgi Eremeishvili. Get expert support, accurate diagnosis, and a personalized treatment plan from the comfort of your home.

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  • High blood pressure, blood pressure fluctuations, and cardiovascular risk prevention.
  • Chest pain, shortness of breath, arrhythmias (tachycardia, bradycardia, palpitations).
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Gastroenterology – Digestive health:
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  • Management of chronic digestive disorders and interpretation of tests (endoscopy, ultrasound, labs).
General internal medicine and preventive care:
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  • Lab test analysis, therapy adjustments, medication management.
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Dr Biriukova combines internal medicine with specialist insight, offering clear explanations, personalised treatment plans, and comprehensive care tailored to each patient.
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Dr Kuznetsova helps patients manage cardiovascular risk factors, optimise long-term treatment, and gain clarity in complex health situations – all through accessible and structured online care.
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