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CISTINE 250 mg TABLETS

Prescription review online

Prescription review online

A doctor will review your case and decide whether a prescription is medically appropriate.

Talk to a doctor about this medicine

Talk to a doctor about this medicine

Discuss your symptoms and possible next steps in a quick online consultation.

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

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

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.

Doctor consultation

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Discuss your symptoms and treatment with a doctor online.

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.

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 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

Online doctors for CISTINE 250 mg TABLETS

Discuss questions about CISTINE 250 mg TABLETS, including use, safety considerations and prescription review, subject to medical assessment and local regulations.

5.0 (1061)
Doctor

Andrei Popov

General medicine 7 years exp.

Dr. Andrei Popov is a family physician with specialized training in the management of chronic pain. He provides video consultations for adults in Spain and across Europe: whether you have been living with pain for months that no one has been able to properly explain, or you need to resolve a health issue without waiting weeks for an appointment.

His approach is clear: to listen, organize your case, and provide you with a practical roadmap based on evidence-based medicine and adapted to your medical history and personal needs.

Pain: how he can help

  • Chronic pain (more than 3 months
  • Migraine and recurrent or high-intensity headaches
  •  Neck, lower back, back and joint pain
  •  Post-traumatic pain after injuries or surgeries
  •  Pain of neurological origin: neuralgia, neuropathic pain, fibromyalgia

General medicine

  • Frequent respiratory infections (cold, flu, persistent cough)
  • Hypertension, diabetes and metabolic disorders
  • Review of laboratory tests and MRI/CT reports (explained in clear language)
  • Preventive medicine and health monitoring
  • Second opinions and treatment adjustments (when clinically appropriate)

What the consultation is like
 Each session lasts up to 30 minutes. We review symptoms, medical history, medications and any tests you provide, and you finish the consultation with a clear treatment plan, defined next steps, and criteria to understand when follow-up may be needed. If warning signs are detected, he will clearly advise whether you need in-person care or urgent medical attention.

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€80
5.0 (184)
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.
  • Second opinions and medical navigation: clarifying diagnoses, reviewing current treatment plans, helping patients choose the best course of action.

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.

If you are unsure about a diagnosis, preparing for surgery, or want to discuss your test results – Dr Yakovenko will help you evaluate your options and move forward with confidence.

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€50
0.0 (0)
Doctor

Joao Silva

General medicine 6 years exp.

Dr. João Silva is a physician with training and experience in the field of General and Family Medicine, dedicated to providing healthcare focused on the well-being and quality of life of his patients. Throughout his professional career, he has developed broad clinical competencies, striving to maintain a medical practice based on scientific evidence and continuous knowledge updates.

Between 2013 and 2019, he completed the Integrated Master's Degree in Medicine at the Abel Salazar Institute of Biomedical Sciences in Porto, where he acquired a solid academic and clinical education.

Subsequently, between January 2021 and December 2021, he completed the General Internship at the Entre Douro e Vouga Hospital Center in Santa Maria da Feira, where he had the opportunity to work in different hospital settings and deepen his competencies in several areas of medicine.

From January 2022 until March 2026, he works as a Resident Physician in General and Family Medicine at USF Salvador Machado in Oliveira de Azeméis, developing clinical activities in primary healthcare, follow-up of chronic patients, and health promotion in the community.

Complementing his medical training, Dr. João Silva also completed a Postgraduate Degree in Continuing and Palliative Care at CESPU, strengthening his preparation in the comprehensive approach to patient care, especially in situations requiring prolonged care and multidisciplinary support.

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€55
0.0 (0)
Doctor

Bulat Garipov

General medicine 15 years exp.

Dr. Bulat Garipov is a radiologist with more than 15 years of experience, specializing in magnetic resonance imaging (MRI). Throughout his professional career, he has worked in leading diagnostic imaging centers, both in on-site practice and teleradiology, which has allowed him to develop a broad and versatile approach to radiology.

Over the years, he has gained solid experience in interpreting MRI studies in various areas, including:

  •  Neuroimaging
  •  Musculoskeletal system (MSK)
  •  Angiography
  •  Abdomen and pelvis
  •  Soft tissues

Additionally, Dr. Garipov is open to new collaboration opportunities in radiology and teleradiology projects. He offers his expertise in MRI, providing both first and second readings of studies, as well as advanced image interpretation, ensuring accurate and high-quality diagnostics.

You could consult Dr. Bulat Garipov in cases where accurate interpretation of MRI studies or a second expert opinion is required. His expertise is especially valuable in cases of suspected neurological conditions, back and joint pain, vascular disorders, as well as in the diagnosis of abdominal and pelvic diseases. The doctor also provides support in complex or unclear clinical situations, including the review of previously performed studies, which helps improve diagnostic accuracy and determine the optimal treatment strategy. A teleradiology format is available, allowing you to receive a professional opinion remotely.

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€60
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Frequently Asked Questions

Is a prescription required for CISTINE 250 mg TABLETS?
CISTINE 250 mg TABLETS does not require a prescription in Spain. You can check with a doctor online whether this medicine may be appropriate for your situation.
Who manufactures CISTINE 250 mg TABLETS?
CISTINE 250 mg TABLETS is manufactured by La Quimica Medica S.A.. Pharmacy brands and packaging may differ depending on the distributor.
Which doctors can assess the use of CISTINE 250 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 CISTINE 250 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 CISTINE 250 mg TABLETS?
Other medicines with the same active substance () include CARGLUMIC ACID TILLOMED 200 mg DISPERSIBLE TABLETS, CARGLUMIC ACID WAYMADE 200 mg DISPERSIBLE TABLETS, AMVERSIO 1 G ORAL POWDER. 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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