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SLENYTO 5 mg PROLONGED-RELEASE TABLETS

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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;
  • chest discomfort, palpitations, dizziness, fatigue, and blood pressure concerns;
  • 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;
  • medical advice while travelling or living abroad;
  • 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.

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 SLENYTO 5 mg PROLONGED-RELEASE 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.

Show original

Introduction

Package Leaflet: Information for the User

Slenyto 1 mg prolonged-release tablets

Slenyto 5 mg prolonged-release tablets

melatonin

Read all of this leaflet carefully before your child starts taking this medicine because it contains important information.

  • 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 your child, do not pass it on to others. It may harm them, even if their symptoms are the same as your child's.
  • If your child experiences any side effects, consult your doctor or pharmacist. This includes any possible side effects not listed in this leaflet. See section 4.

Contents of the pack

  1. What is Slenyto and what is it used for
  2. What you need to know before you or your child starts taking Slenyto
  3. How to take Slenyto
  4. Possible side effects
  5. Storing Slenyto
  6. Contents of the pack and other information

1. What is Slenyto and what is it used for

What is Slenyto

Slenyto is a medicine that contains the active substance melatonin. Melatonin is a hormone that is naturally produced by the body.

What is Slenyto used for

Slenyto is used to treat insomnia (difficulty falling asleep) in:

  • children and adolescents(from 2 to 18 years of age) with autism spectrum disorder (ASD)and/or neurogenetic disorders(hereditary disorders that affect the nerves and brain) associated with abnormal melatonin levels and/or nighttime awakenings, if other healthy sleep routines (e.g., regular bedtime and relaxing sleep environment) have not worked well enough.
  • children and adolescents(from 6 to 17 years of age) with attention deficit hyperactivity disorder (ADHD), if other healthy sleep routines (e.g., regular bedtime and relaxing sleep environment) have not worked well enough.

Slenyto shortens the time it takes to fall asleep and prolongs the duration of sleep.

The medicine can help your child fall asleep and can help your child sleep longer during the night.

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 you or your child starts taking Slenyto

Do not take Slenyto if your child:

  • is allergic to melatonin or any of the other ingredients of this medicine (listed in section 6).

Warnings and precautions

Consult your doctor or pharmacist before starting to take Slenyto if your child:

  • has liver or kidney problems. Consult your doctor before taking/administering Slenyto, as its use is not recommended in such cases.
  • has an autoimmune disease (where the body's immune system attacks parts of the body). Consult your doctor before taking/administering Slenyto, as its use is not recommended in such cases.

Slenyto can cause drowsiness and daytime fatigue. Caregivers should monitor the child for signs of daytime fatigue and seek advice from their doctor if symptoms appear.

In particular, children and adolescents with ADHD may experience an increase in daytime symptoms such as lack of attention, hyperactivity, or behavioral changes.

Children

The safety and efficacy of Slenyto in children under 6 years of age with ADHD have not been confirmed.

Do not give this medicine to children under 2 years of age, as its effects are unknown.

Other medicines and Slenyto

Tell your doctor or pharmacist if your child is taking, has recently taken, or might take any other medicines.

In particular, taking Slenyto with the following medicines may increase the risk of side effects or may affect how Slenyto or the other medicine works:

  • fluvoxamine(used to treat depression and obsessive-compulsive disorder)
  • methoxsalen(used to treat skin disorders such as psoriasis)
  • cimetidine(used to treat stomach problems such as ulcers)
  • quinolones(e.g., ciprofloxacin and norfloxacin) and rifampicin(used to treat bacterial infections)
  • estrogens(used in contraceptives or hormone replacement therapy)
  • carbamazepine(used to treat epilepsy)
  • non-steroidal anti-inflammatory drugssuch as acetylsalicylic acid and ibuprofen (used to treat pain and inflammation). These medicines should be avoided, especially at night.
  • beta blockers(used to control blood pressure). These medicines should be taken in the morning.
  • benzodiazepinesand non-benzodiazepine hypnoticssuch as zaleplon, zolpidem, and zopiclone (used to induce sleep)
  • thioridazine(used to treat schizophrenia)
  • imipramine(used to treat depression)

Tobacco

Tobacco can increase the breakdown of melatonin by the liver, which may make this medicine less effective. Inform your doctor if your child starts or stops smoking during treatment.

Taking Slenyto with alcohol

Do not drink alcohol before, during, or after taking Slenyto, as alcohol can weaken the effect of this medicine.

Pregnancy and breastfeeding

If you are pregnant or breastfeeding, think you may be pregnant, or are planning to have a baby, ask your doctor for advice before taking this medicine.

Tell your doctor or pharmacist before starting to take Slenyto if your child:

  • is pregnant or might be pregnant. As a precaution, it is preferable to avoid the use of melatonin during pregnancy.
    • is breastfeeding or plans to breastfeed. It is possible that melatonin may pass into human breast milk, so your doctor will decide whether you or your child should breastfeed while taking melatonin.

Driving and using machines

Slenyto can cause drowsiness. After taking this medicine, your child should not drive a vehicle, ride a bicycle, or use machines until they have fully recovered.

If your child experiences continuous drowsiness, they should consult their doctor.

Slenyto contains lactose

Slenyto contains lactose monohydrate. If your doctor has told your child that they have an intolerance to some sugars, consult them before taking this medicine.

3. How to take Slenyto

Follow exactly the administration instructions of this medicine given by your doctor.

In case of doubt, consult your doctor or pharmacist again.

Slenyto is available in two strengths: 1 mg and 5 mg.

Insomnia in children and adolescents (from 2 to 18 years of age) with ASD and/or neurogenetic disorders (hereditary disorders that affect the nerves and brain) associated with abnormal melatonin levels and/or nighttime awakenings.

The recommended initial dose is 2 mg (two 1 mg tablets) once a day. If your child's symptoms do not improve, your doctor may increase the dose of Slenyto to determine the most suitable dose for your child. The maximum daily dose that your child will receive is 10 mg (two 5 mg tablets).

Your doctor should regularly monitor your child (it is recommended every 6 months) to check that Slenyto is still the right treatment for your child.

Insomnia in children and adolescents (from 6 to 17 years of age) with ADHD

The recommended initial dose is 1-2 mg (one or two 1 mg tablets) once a day. If there is no improvement in your child's symptoms, the dose can be individually adjusted to 5 mg daily, regardless of age. If the doctor considers it necessary, the maximum daily dose can be increased to 10 mg (two 5 mg tablets) per day.

The lowest possible dose will be used for the shortest possible time.

Your doctor should regularly monitor your child (it is recommended every 6 months) to check that Slenyto is still the right treatment for your child.

The treatment should be interrupted once a year to check if it is still necessary.

When to take Slenyto

Slenyto should be taken at night, 30 to 60 minutes before bedtime. The tablets should be taken after dinner, i.e., with a full stomach.

How to take Slenyto

Slenyto is administered orally. The tablets should be swallowed whole, without being broken, crushed, or chewed. If the tablets are crushed or chewed, their special properties will be altered and they will not work correctly.

Whole tabletscan be introduced into foods such as yogurt, orange juice, or ice cream to help swallow them. If the tablets are mixed with these foods, they should be administered immediately and not left or stored, as this may affect how the tablets work. If the tablets are mixed with any other type of food, they may not work correctly.

If your child takes more Slenyto than they should

If your child has accidentally taken too much medicine, contact their doctor or pharmacist as soon as possible.

Taking more than the recommended daily dose may cause your child to feel drowsy.

If your child forgets to take Slenyto

If your child forgets to take a tablet, they can take it before bedtime that night, but after that time, no more tablets should be taken until the next night.

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

If your child stops taking Slenyto

Consult your doctor before your child stops taking Slenyto. It is important to continue taking this medicine to treat the disorder.

If you have any other questions 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.

Unpredictable changes in behavior, such as aggression (may affect up to 1 in 10 people), can occur frequently. If this change in behavior occurs, you should inform your doctor. It is possible that the doctor will want your child to stop taking this medicine.

If any of the following side effects become serious or troublesome, contact your doctor or seek medical attention:

Common: may affect up to 1 in 10 people

  • mood changes
  • aggression
  • irritability
  • drowsiness
  • headache
  • sudden sleepiness
  • swelling and inflammation of the breasts associated with pain and nasal congestion (sinusitis)
  • fatigue
  • hangover sensation

Frequency not known(reported from use in adults)

  • epilepsy
  • visual impairment
  • shortness of breath/difficulty breathing (dyspnea)
  • nosebleeds (epistaxis)
  • constipation
  • loss of appetite
  • facial swelling
  • skin injury
  • abnormal sensation
  • abnormal behavior
  • low white blood cell count (neutropenia)

Reporting of side effects

If your child experiences any side effects, consult your doctor or pharmacist, even if they are not listed in this leaflet. You can also report side effects directly through the national reporting system listed in Appendix V. By reporting side effects, you can help provide more information on the safety of this medicine.

5. Storing Slenyto

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

Do not use this medicine after the expiry date which is stated on the carton and blister after EXP. The expiry date is the last day of the month stated.

Do not store above 30 °C.

Medicines should not be disposed of via wastewater or household waste. Ask your pharmacist how to dispose of medicines no longer required. This will help protect the environment.

6. Package Contents and Additional Information

Slenyto Composition

Dose of 1 mg

  • The active ingredient is melatonin. Each tablet contains 1 mg of melatonin.
  • The other components are ammonio methacrylate copolymer type B, calcium hydrogen phosphate dihydrate, lactose monohydrate, colloidal anhydrous silica, talc, magnesium stearate, sodium carmellose (E466), maltodextrin, glucose monohydrate, lecithin (E322), titanium dioxide (E171), red iron oxide (E172), and yellow iron oxide (E172).

Dose of 5 mg

  • The active ingredient is melatonin. Each tablet contains 5 mg of melatonin.
  • The other components are ammonio methacrylate copolymer type A, calcium hydrogen phosphate dihydrate, lactose monohydrate, colloidal anhydrous silica, magnesium stearate, sodium carmellose (E466), maltodextrin, glucose monohydrate, lecithin (E322), titanium dioxide (E171), and yellow iron oxide (E172).

Product Appearance and Package Contents

Dose of 1 mg

Slenyto 1 mg prolonged-release tablets are film-coated, pink, round, biconvex, and 3 mm in diameter.

Available in blisters of 30/60 tablets.

Dose of 5 mg

Slenyto 5 mg prolonged-release tablets are film-coated, yellow, round, biconvex, and 3 mm in diameter.

Available in blisters of 30 tablets.

Only certain package sizes may be marketed.

Marketing Authorization Holder

RAD Neurim Pharmaceuticals EEC SARL

4 rue de Marivaux

75002 Paris

France

Email: [email protected]

Manufacturer

Iberfar - Indústria Farmacêutica, S.A.

Rua Consiglieri Pedrosa, n.° 121-123 Queluz de Baixo

Barcarena

2734-501

Portugal

You can request more information about this medicine by contacting the local representative of the marketing authorization holder:

Belgium

RAD Neurim Pharmaceuticals EEC SARL

Tel: +33 185149776 (FR)

Email: [email protected]

Lithuania

RAD Neurim Pharmaceuticals EEC SARL

Tel: +33 185149776 (FR)

Email: [email protected]

Text in Bulgarian and contact details of RAD Neurim Pharmaceuticals EEC SARL including phone and email

Luxembourg

RAD Neurim Pharmaceuticals EEC SARL

Tel: +33 185149776 (FR)

Email: [email protected]

Czech Republic

RAD Neurim Pharmaceuticals EEC SARL

Tel: +33 185149776 (FR)

Email: [email protected]

Hungary

RAD Neurim Pharmaceuticals EEC SARL

Tel: +33 185149776 (FR)

Email: [email protected]

Denmark

Takeda Pharma A/S

Tel: +45 46 77 11 11

Malta

RAD Neurim Pharmaceuticals EEC SARL

Tel: +33 185149776 (FR)

Email: [email protected]

Germany

INFECTOPHARM Arzneimittel und Consilium GmbH

Tel: +49 6252 957000

Email: [email protected]

Netherlands

RAD Neurim Pharmaceuticals EEC SARL

Tel: +33 185149776 (FR)

Email: [email protected]

Estonia

RAD Neurim Pharmaceuticals EEC SARL

Tel: +33 185149776 (FR)

Email: [email protected]

Norway

Takeda AS

Tel: +47 6676 3030

Email: [email protected]

Greece

RAD Neurim Pharmaceuticals EEC SARL

Tel: +33 185149776 (FR)

Email: [email protected]

Austria

RAD Neurim Pharmaceuticals EEC SARL

Tel: +33 185149776 (FR)

Email: [email protected]

Spain

EXELTIS HEALTHCARE, S.L.

Tel: +34 91 7711500

Email: comunicació[email protected]

Poland

RAD Neurim Pharmaceuticals EEC SARL

Tel: +33 185149776 (FR)

Email: [email protected]

France

BIOCODEX

Tel: +33 (0)1 41 24 30 00

Email: [email protected]

Portugal

RAD Neurim Pharmaceuticals EEC SARL

Tel: +33 185149776 (FR)

Email: [email protected]

Croatia

RAD Neurim Pharmaceuticals EEC SARL

Tel: +33 185149776 (FR)

Email: [email protected]

Romania

RAD Neurim Pharmaceuticals EEC SARL

Tel: +33 185149776 (FR)

Email: [email protected]

Ireland

RAD Neurim Pharmaceuticals EEC SARL

Tel: +33 185149776 (FR)

Email: [email protected]

Slovenia

RAD Neurim Pharmaceuticals EEC SARL

Tel: +33 185149776 (FR)

Email: [email protected]

Iceland

RAD Neurim Pharmaceuticals EEC SARL

Tel: +33 185149776 (FR)

Email: [email protected]

Slovakia

RAD Neurim Pharmaceuticals EEC SARL

Tel: +33 185149776 (FR)

Email: [email protected]

Italy

Fidia Farmaceutici S.p.A.

Tel: +39 049 8232355

Email: [email protected]

Finland

Biocodex Oy

Tel: +3589 329 59100

Email: [email protected]

Cyprus

RAD Neurim Pharmaceuticals EEC SARL

Tel: +33 185149776 (FR)

Email: [email protected]

Sweden

Takeda Pharma AB

Tel: +46 8 731 28 00

Email: [email protected]

Latvia

RAD Neurim Pharmaceuticals EEC SARL

Tel: +33 185149776 (FR)

Email: [email protected]

Date of the Last Revision of this Leaflet: {month/YYYY}

Other Sources of Information

Detailed information about this medicine is available on the European Medicines Agency website: http://www.ema.europa.eu.

Online doctors for SLENYTO 5 mg PROLONGED-RELEASE TABLETS

Discuss questions about SLENYTO 5 mg PROLONGED-RELEASE TABLETS, including use, safety considerations and prescription review, subject to medical assessment and local regulations.

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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;
  • chest discomfort, palpitations, dizziness, fatigue, and blood pressure concerns;
  • 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;
  • medical advice while travelling or living abroad;
  • 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

Rita Isabel Calero Garcia

General medicine 2 years exp.

Dr. Rita Isabel Calero Garcia is a physician with extensive experience in emergency medical care, general medicine, and healthcare assistance in various clinical and out-of-hospital settings.

She currently works as a physician at the Canary Islands Emergency Service (Servicio de Urgencias Canario – SUC), where she is responsible for the assessment and care of patients in medical emergency situations, performing the initial diagnosis, patient stabilization, and coordination with hospital services when necessary.

She has also developed her professional activity within the Primary Care Management Service, providing consultations in general medicine. In this setting she is responsible for patient follow-up, management of acute and chronic conditions, as well as health promotion and disease prevention.

She has also worked as a physician in a mobile ICU unit, providing medical assistance in out-of-hospital emergencies, treating critical patients and participating in medicalized patient transport.

In addition, she has collaborated with the Red Cross, participating in healthcare support units, providing medical assistance at events and supporting emergency interventions.

Furthermore, she has provided medical services in the private sector with Salvaser, conducting clinical assessments of patients and providing healthcare services within private medical services.

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Doctor

Jorge Correa Bellido

General medicine 7 years exp.

Dr. Jorge Correa Bellido is a Spanish physician who offers online consultations in Spanish and English. He graduated from the University of La Laguna and has a solid background in clinical practice and international research.

Throughout his career, he has participated in various medical and academic projects, including a research fellowship in Spain, where he contributed to evidence-based studies in the field of family medicine. This experience allowed him to broaden his global perspective on healthcare and comprehensive patient care.

Dr. Correa Bellido has worked with several healthcare providers in Spain, focusing particularly on patient-centered care and public health initiatives aimed at communities with limited access to healthcare services.

In addition, he actively participates in international medical conferences and workshops, which allows him to stay up to date with the latest medical advances and collaborate with healthcare professionals from different countries.

Dr. Correa Bellido provides comprehensive care for a wide variety of medical conditions, including:

  • respiratory infections
  • gastrointestinal disorders
  • cardiovascular problems
  • endocrine and metabolic diseases
  • musculoskeletal and dermatological conditions
  • as well as mental health conditions such as anxiety and depression.

He also treats infectious and allergic diseases, general health concerns, and provides guidance on prevention and healthy lifestyle habits.

His services include virtual consultations, diagnosis and management of acute and chronic diseases, prescription renewals, and personalized medical advice.

With a patient-centered approach and a strong commitment to continuous learning, Dr. Correa Bellido provides accessible and high-quality healthcare to patients both in Spain and around the world.

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Doctor

Antonio Cayatte

General medicine 44 years exp.

Dr Antonio Cayatte is a physician in General and Acute Medicine with over 30 years of experience across clinical care, medical research, and education. He offers online consultations for adults with a wide range of symptoms, both acute and chronic. His clinical background includes: 

  • assessment of sudden or unclear symptoms
  • ongoing care for chronic conditions
  • follow-up after hospital discharge
  • interpretation of test results
  • medical support while abroad

Dr Cayatte earned his degree from the University of Lisbon and taught internal medicine at Boston University School of Medicine. He holds active medical registrations in both Portugal and the UK and is a Fellow of the American Heart Association. Consultations are available in English and Portuguese. Patients value his clarity, professionalism, and balanced approach to evidence-based care.

Dr. Antonio Cayatte provides comprehensive care for a broad spectrum of common health concerns, including:

  • Respiratory & ENT: acute bronchitis, concerns related to pneumonia, sinusitis, tonsillitis, ear infections, sore throat conditions, and allergic rhinitis
  • Eye Health: allergic and infectious conjunctivitis, as well as red or irritated eyes
  • Digestive & Urinary: gastroesophageal reflux disease (GERD), gastritis, urinary tract infections, and cystitis
  • Chronic Conditions: hypertension, elevated cholesterol, and structured weight management planning
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Anna Biriukova

General medicine 6 years exp.

Dr Anna Biriukova is an internal medicine doctor with clinical experience in cardiology, endocrinology, and gastroenterology. She provides online consultations for adults, offering expert medical support for heart health, hormonal balance, digestive issues, and general internal medicine.

Cardiology – Diagnosis and treatment of:

  • High blood pressure, blood pressure fluctuations, and cardiovascular risk prevention.
  • Chest pain, shortness of breath, arrhythmias (tachycardia, bradycardia, palpitations).
  • Leg swelling, chronic fatigue, reduced exercise tolerance.
  • EKG interpretation, lipid profile evaluation, cardiovascular risk assessment (heart attack, stroke).
  • Post-COVID-19 cardiac monitoring and care.
Endocrinology – Diabetes, thyroid, metabolism:
  • Diagnosis and management of type 1 and type 2 diabetes, and prediabetes.
  • Individual treatment plans including oral medications and insulin therapy.
  • GLP-1 therapy– modern pharmacological treatment for weight management and diabetes control, including drug selection, monitoring, and safety follow-up.
  • Thyroid disorders – hypothyroidism, hyperthyroidism, autoimmune thyroid diseases (Hashimoto’s, Graves’ disease).
  • Metabolic syndrome – obesity, lipid disorders, insulin resistance.
Gastroenterology – Digestive health:
  • Abdominal pain, nausea, heartburn, gastroesophageal reflux (GERD).
  • Stomach and intestinal conditions: gastritis, irritable bowel syndrome (IBS), indigestion.
  • Management of chronic digestive disorders and interpretation of tests (endoscopy, ultrasound, labs).
General internal medicine and preventive care:
  • Respiratory infections – cough, colds, bronchitis.
  • Lab test analysis, therapy adjustments, medication management.
  • Adult vaccinations – planning, contraindications assessment.
  • Cancer prevention – screening strategies and risk assessment.
  • Holistic approach – symptom relief, complication prevention, and quality of life improvement.
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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Doctor

Anastasiia Hladkykh

Psychiatry 15 years exp.

Dr Anastasiia Hladkykh is a physician-psychotherapist and psychologist with over 14 years of experience working with individuals struggling with various types of addictions and their families. She provides online consultations for adults, combining medical knowledge with deep psychological support and practical tools.

Key areas of expertise:

  • Addiction treatment: alcohol and drug dependence, gambling addiction, compulsive behaviours, codependent relationships.
  • Support for families of addicted individuals, behavioural correction within the family system, guidance for maintaining remission.
  • Mental health: depression, bipolar disorder, obsessive-compulsive disorder (OCD), anxiety disorders, phobias, PTSD, generalised anxiety, emotional trauma, and the psychological impact of loss or emigration.
  • Psychoeducation: explaining complex mental health concepts in simple language, helping patients and their families understand diagnoses and treatment steps.
Therapeutic approach:
  • Client-centred, straightforward, and empathetic – focused on practical outcomes and emotional stabilisation.
  • Prescribes medications when needed, but always aims to minimise unnecessary pharmaceutical use.
  • Certified in multiple evidence-based methods: CBT, NLP (Master Practitioner), Ericksonian hypnosis, symbol drama, art therapy, and systemic therapy.
  • Each consultation results in a clear, structured plan – patients leave knowing exactly what to do next.
Experience and background:
  • Member of the German association Gesundheitpraktikerin and the NGO “Mit dem Sonne in jedem Herzen.”
  • More than 18 publications in international peer-reviewed journals, translated into several languages.
  • Volunteer work with Ukrainian refugees and military personnel at the University Clinic of Regensburg.
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Doctor

Sviatoslav Chekhun

Oncology 13 years exp.

Dr. Sviatoslav Chekhun is a medical oncologist with international clinical and research experience, specializing in modern medical oncology and a personalized approach to cancer treatment.

Currently (since 2025), he works as a Medical Oncologist at Institut Català d’Oncologia (Girona, Spain). Previously, he completed his residency in Medical Oncology and was involved in clinical research at Hospital Universitari Germans Trias i Pujol.

Dr. Chekhun has a strong academic and scientific background. He served as a lecturer in Internal Medicine at O.O. Bohomolets National Medical University and conducted research in experimental oncology at the R.E. Kavetsky Institute of Experimental Pathology, Oncology and Radiobiology.

Earlier in his career, he worked as a medical oncologist at the Kyiv City Clinical Oncological Center and contributed to regulatory evaluation of medicinal products at the State Expert Center of the Ministry of Health of Ukraine.

When to consult Dr. Chekhun:

  •  for diagnosis or clarification of a cancer diagnosis
  •  to obtain a second opinion on an existing treatment plan 
  •  when you need a personalized treatment strategy 
  •  for interpretation of test results, CT, MRI, PET-CT, and biopsies 
  •  when choosing between treatment options (chemotherapy, targeted therapy, immunotherapy) 
  •  in case of doubts about treatment strategy or disease progression 

Consultation format

Dr. Chekhun provides online consultations, where you can receive:

  •  expert second opinion 
  •  detailed case review 
  •  recommendations based on current international treatment guidelines 
  •  personalized treatment and follow-up plan 

Important:
Prescription and monitoring of medications must be carried out by your treating physician in an in-person (offline) setting. An online consultation does not replace a face-to-face visit but helps you make more informed decisions about your treatment.

Dr. Sviatoslav Chekhun combines clinical practice, research, and international experience, enabling him to provide patients with modern, evidence-based approaches in oncology.

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Doctor

Daria Portnova

Psychiatry 31 years exp.

Dr Daria Portnova is a psychiatrist and psychotherapist with over 30 years of clinical experience. She works with adults and adolescents aged 14 and over, providing online psychiatric and psychotherapeutic consultations. In her practice, Dr Portnova supports patients facing the onset of mental health conditions, chronic psychiatric disorders, psychotic symptoms, trauma-related states, and complex emotional crises. Her work is structured and safety-focused, with an emphasis on stabilisation, accurate diagnosis, and long-term improvement in quality of life. Patients consult Dr Daria Portnova for the following concerns: 

  • existential crises and complex life situations;
  • loss, grief, and emotional exhaustion;
  • relationship difficulties, separation, and divorce;
  • psychological and psychiatric trauma, including complex PTSD (cPTSD);
  • anxiety disorders: generalised anxiety disorder and panic disorder;
  • social anxiety and social phobia;
  • obsessive-compulsive disorder (OCD);
  • sleep disorders;
  • depressive disorders;
  • bipolar affective disorder;
  • schizoaffective disorder;
  • schizophrenia;
  • personality disorders.

Dr Portnova combines psychiatric assessment with a psychotherapeutic approach. She works with evidence-based methods, including cognitive behavioural therapy (CBT) and third-wave approaches such as ACT, FACT, and CFT. Consultations are focused on clear clinical understanding, practical recommendations, and ongoing support over time.

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Frequently Asked Questions

Is a prescription required for SLENYTO 5 mg PROLONGED-RELEASE TABLETS?

SLENYTO 5 mg PROLONGED-RELEASE 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 SLENYTO 5 mg PROLONGED-RELEASE TABLETS?

The active ingredient in SLENYTO 5 mg PROLONGED-RELEASE TABLETS is melatonin. This information helps identify medicines with the same composition but different brand names.

Who manufactures SLENYTO 5 mg PROLONGED-RELEASE TABLETS?

SLENYTO 5 mg PROLONGED-RELEASE TABLETS is manufactured by Rad Neurim Pharmaceuticals Eec S.A.R.L.. Pharmacy brands and packaging may differ depending on the distributor.

Which doctors can assess the use of SLENYTO 5 mg PROLONGED-RELEASE 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 SLENYTO 5 mg PROLONGED-RELEASE TABLETS 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 SLENYTO 5 mg PROLONGED-RELEASE TABLETS 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 SLENYTO 5 mg PROLONGED-RELEASE TABLETS 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 SLENYTO 5 mg PROLONGED-RELEASE TABLETS?

Other medicines with the same active substance (melatonin) include CIRCADIN 2 mg PROLONGED-RELEASE TABLETS (30 tablets), CIRCADIN 2 mg PROLONGED-RELEASE TABLETS, MELATONIN ARROTEX 2 mg PROLONGED-RELEASE 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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