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Dr. Lizaveta Trafimchuk Takhvaniuk graduated in Medicine and subsequently specialized in Dermatology and Venereology. She has more than 10 years of clinical experience and is licensed to practice in Spain, where she focuses on the comprehensive diagnosis and treatment of dermatological conditions.

Throughout her education and professional career, Dr. Trafimchuk has gained extensive experience in managing diseases of the skin, hair, and nails, as well as in the diagnosis, treatment, and prevention of sexually transmitted infections (STIs). Her clinical approach is based on evidence-based medicine, combined with personalized care tailored to each patient’s needs.

In her daily practice, she treats a wide range of dermatological conditions, including chronic inflammatory dermatoses such as acne, rosacea, atopic dermatitis, psoriasis, and eczema. She also has experience in treating pigmentation disorders, including melasma, post-inflammatory hyperpigmentation, and dyschromia.

She has developed a particular interest in trichology, treating various types of alopecia, chronic hair loss, and scalp disorders. In addition, she has experience in managing infectious dermatoses of fungal, viral, and bacterial origin, as well as in evaluating benign and suspicious skin lesions, with referral to specialized care when necessary.

With a strong interest in a comprehensive approach to skin health, she also treats scars, post-procedural skin changes, and conditions related to hormonal factors and aging, including those associated with pregnancy, menopause, and age-related skin changes.

Thanks to her experience and continuous professional development, Dr. Trafimchuk provides high-quality medical care that is professional, confidential, and aligned with modern dermatology standards.

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.

Dr. Sergio Correa is a licensed general practitioner, aesthetic medicine specialist, and trichologist with experience in emergency care and preventive health. He offers online consultations in English and Spanish, supporting adult patients with a wide range of medical concerns – from acute symptoms to chronic condition management.His areas of focus include:

• General and urgent care: fever, fatigue, infections, digestive issues, respiratory symptoms, and other common concerns
• Chronic condition support: hypertension, high cholesterol, diabetes, thyroid issues
• Aesthetic medicine and dermatology: acne, skin ageing, hyperpigmentation, personalised skincare guidance
• Trichology: hair loss, scalp conditions, treatment strategies for men and women
• Preventive care: health check-ups, lifestyle advice, second opinions

Dr. Correa combines medical knowledge with an aesthetic and holistic approach to help patients improve both health and quality of life.

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

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.

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.

Some situations are not suitable for online care. If a patient has loss of consciousness, severe chest pain, uncontrolled bleeding, seizures, major trauma or symptoms suggesting a stroke or heart attack, he will advise seeking immediate local emergency services. This improves safety and ensures patients receive the right level of care.

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.

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.
• Obesity medicine: structured weight management plans, nutritional counselling, obesity-related health risks.
• 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.

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.

Dr. Liubov Popova is a neurologist and has been consulting adult patients in Valencia since 2019. She conducts consultations exclusively online, helping patients understand their neurological symptoms, identify possible causes of their complaints, and navigate the next steps in diagnosis and treatment.

Patients usually consult her with symptoms such as:

• headache and migraine
• dizziness
• numbness in the limbs
• sleep disorders
• tremor
• neck and back pain
• Parkinson’s disease
• as well as other complaints related to the nervous system

During the consultation, the doctor carefully analyzes the symptoms, medical history, and results of previously performed examinations in order to provide clear and well-grounded recommendations.

The doctor works with adult patients and provides consultations in Russian, English, and Spanish. In her practice, she pays special attention to ensuring that each consultation is not only professional but also comfortable and easy to understand for the patient, regardless of their location.

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.