Calcium + Holecalciferol Béres

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 Andreea Mateescu is a board-certified paediatrician with 7 years of clinical experience. She graduated from Carol Davila University of Medicine and Pharmacy in Bucharest, Romania, and completed her paediatric residency at INSMC Alessandrescu-Rusescu. She also holds additional training in general ultrasound diagnostics.

Dr Mateescu focuses on providing high-quality, evidence-based medical care for children, with a strong emphasis on prevention, healthy development, and long-term wellbeing. She believes that clear, empathetic communication with both children and parents is essential for building trust and ensuring effective care.

Online consultations with Dr Mateescu are suitable for:

• preventive check-ups and monitoring of growth and development;
• vaccination planning, including personalised and catch-up schedules;
• assessment of psychomotor, emotional, and physical development;
• diagnosis and management of acute and chronic paediatric conditions;
• nutritional guidance for infants and children, including formula selection when medically indicated;
• care for children with complex or rare conditions;
• practical guidance and ongoing support for parents.

Dr Iryna Reznychenko is an obstetrician-gynaecologist, paediatric gynaecologist, and certified lactation consultant. She provides online consultations for women at all stages of life – from adolescence to menopause. Her work combines medical care for gynaecological conditions with dedicated support for breastfeeding challenges, both physical and emotional.

Areas of expertise:

• interpretation of test results and personalised treatment planning
• menstrual irregularities, PCOS, endometriosis
• abnormal uterine bleeding, endometrial hyperplasia, cervical dysplasia
• care during perimenopause and menopause, hormonal balance, cancer prevention
• breastfeeding issues: nipple pain, cracked skin, blocked ducts, low milk supply
• support during the postpartum and lactation period

Dr Salome Akhvlediani is a paediatrician providing online consultations for children of all ages. She supports families with preventive care, diagnosis, and long-term management of both acute and chronic conditions.

Her areas of focus include:

• Fever, infections, cough, sore throat, and digestive issues.
• Preventive care – vaccinations, regular check-ups, and health monitoring.
• Allergies, asthma, and skin conditions.
• Nutritional advice and healthy development support.
• Sleep difficulties, fatigue, and behavioural concerns.
• Ongoing care for chronic or complex health conditions.
• Guidance for parents and follow-up after medical treatment.

Dr Akhvlediani combines professional care with a warm, attentive approach – helping children stay healthy and supporting parents at every stage of their child’s growth.

Dr. Tetiana Fursenko is an ENT (ear, nose, and throat) specialist offering online consultations for both adults and children. She focuses on diagnosing and treating conditions of the upper respiratory tract using evidence-based medical guidelines and personalised treatment plans.

Common concerns addressed during consultation:

• Nasal congestion, runny nose, sinusitis, rhinitis, and hay fever.
• 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.

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.

Dr. Lina Travkina is a licensed family and preventive medicine doctor based in Italy. She provides online consultations for adults and children, supporting patients across all stages of care – from acute symptom management to long-term health monitoring and prevention.

Areas of medical care include:

• Respiratory conditions: colds, flu, acute and chronic bronchitis, mild to moderate pneumonia, bronchial asthma.
• ENT and eye conditions: sinusitis, tonsillitis, pharyngitis, otitis, infectious and allergic conjunctivitis.
• Digestive issues: gastritis, acid reflux (GERD), IBS, dyspepsia, bloating, constipation, diarrhoea, functional bowel symptoms, intestinal infections.
• Urological and infectious diseases: acute and recurrent cystitis, bladder and kidney infections, prevention of recurrent UTIs, asymptomatic bacteriuria.
• Chronic conditions: hypertension, diabetes, hypercholesterolemia, metabolic syndrome, thyroid disorders, excess weight.
• Neurological and general symptoms: headache, migraine, dizziness, fatigue, sleep disturbances, reduced concentration, anxiety, asthenia.
• Chronic pain support: back, neck, joint, and muscle pain, tension syndromes, pain associated with osteochondrosis and chronic conditions.

Additional care areas:

• Preventive consultations and check-up planning.
• Medical advice and follow-up consultations.
• Test interpretation and diagnostic guidance.
• Structured support for undiagnosed complaints.
• Second opinion on diagnoses and treatment plans.
• Nutritional and lifestyle support for vitamin deficiencies, anaemia, metabolic issues.
• Post-operative recovery support and pain management.
• Preconception counselling and postpartum support.
• Immunity support and strategies to reduce frequency of infections.

Dr. Travkina combines evidence-based medicine with an attentive, personalised approach. Her consultations focus not only on treatment, but also on prevention, recovery, and long-term wellbeing.

If during the consultation it becomes clear that your case requires in-person assessment or specialised care outside of her scope, the session will be terminated and the payment fully refunded.

Dr. Jonathan Marshall Ben Ami is a licensed family medicine doctor in Spain. He provides comprehensive care for adults and children, combining general medicine with emergency care expertise to address both acute and chronic health concerns.

Dr. Ben Ami offers expert diagnosis, treatment, and follow-up for:

• Respiratory infections (cold, flu, bronchitis, pneumonia).
• ENT conditions such as sinusitis, ear infections, and tonsillitis.
• Digestive issues including gastritis, acid reflux, and irritable bowel syndrome (IBS).
• Urinary tract infections and other common infections.
• Management of chronic diseases: high blood pressure, diabetes, thyroid disorders.
• Acute conditions requiring urgent medical attention.
• Headaches, migraines, and minor injuries.
• Wound care, health check-ups, and ongoing prescriptions.

With a patient-focused and evidence-based approach, Dr. Ben Ami supports individuals at all stages of life — offering clear medical guidance, timely interventions, and continuity of care.

Dr. Andrei Popov is a licensed pain management specialist and general practitioner based in Spain. He provides expert online care for adults dealing with both chronic and acute pain, as well as a wide range of everyday health concerns.

He specialises in diagnosing and treating pain conditions that affect quality of life, including:

• Chronic pain lasting more than 3 months.
• Migraines and recurring headaches.
• Neck, back, lower back, and joint pain.
• Post-traumatic pain following injury or surgery.
• Nerve-related pain, fibromyalgia, and neuralgia.

• Respiratory infections (colds, bronchitis, pneumonia).
• High blood pressure and metabolic conditions such as diabetes.
• Preventive care and routine health check-ups.

Online consultations last up to 30 minutes and include a detailed symptom review, personalised treatment planning, and medical follow-up when needed.

Dr. Popov’s approach is rooted in evidence-based medicine, combined with individualised care tailored to each patient’s history, lifestyle, and clinical needs.

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.