Ketosteril

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 Katia Benko is a paediatrician with over 9 years of clinical experience and international training. She completed her medical education and residency in Argentina and is fully licensed to practise in Spain. Her work spans newborns, children and adolescents, with a focus on whole-person care that integrates physical, emotional and developmental health.

Areas of expertise:

• online consultations for newborns, children and teens
• evaluation and treatment of acute symptoms: fever, cough, infections, bronchiolitis, earache, etc.
• long-term care for chronic paediatric conditions
• preventive care at every stage of growth and development
• child wellness visits and routine health check-ups
• vaccination guidance according to standard and special schedules
• assessment of neurodevelopment in infants and toddlers
• feeding concerns: picky eating, food refusal, healthy habits, eating disorders
• parental support in everyday health, emotional wellbeing and prevention
• guidance for teenagers on healthy habits, self-care and risk prevention

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 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.

• 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.

• 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.

Marianna Neshta is a medical doctor specialising in endocrinology and ultrasound diagnostics. She provides online consultations for adults, focusing on the diagnosis, treatment, and long-term management of endocrine disorders. Her approach includes personalised care plans, analysis of lab results and ultrasound scans, and evidence-based treatment.

Key areas of expertise:

• Type 1 and Type 2 diabetes – diagnosis, therapy adjustment, CGM interpretation, and prevention of chronic complications
• Obesity – treatment using both medication and lifestyle strategies, including modern GLP-1 medications and tailored follow-up plans
• Thyroid disorders – ultrasound assessment, treatment planning, and management during pregnancy
• Male hypogonadism – age-related or hormonal, including diagnostics and therapy
• Metabolic syndrome, prediabetes, lipid disorders – risk assessment, lifestyle recommendations, and medical treatment
• Calcium metabolism disorders – diagnosis and management of osteoporosis, hyperparathyroidism, and hypoparathyroidism

Dr Khrystyna Habrykevych is a gastroenterologist providing online consultations for adults with digestive and abdominal health concerns. She helps patients understand the causes of their symptoms, interpret test results, and choose appropriate next steps – whether it’s further investigation, treatment, or lifestyle adjustments.

Common reasons for consultation include:

• abdominal pain, cramps, discomfort, painful bowel movements
• heartburn, acid reflux, burping, bitter taste in the mouth
• bloating, excessive gas, nausea or vomiting
• diarrhoea, constipation, difficulty passing stool
• unexplained changes in weight or appetite
• concern about gut health or long-term digestive issues
• changes in lab results, questions about test interpretation
• digestive system cancer screening and prevention
• general digestive check-ups and health assessments

Dr Marina Kuznetsova is an internal medicine doctor and cardiologist with a PhD in medicine. She provides online consultations for adults with chronic and acute conditions, with a strong focus on cardiovascular health. Her approach is based on current clinical guidelines and evidence-based treatment strategies.

Areas of expertise:

• dyslipidaemia and lipid metabolism disorders
• prevention and management of atherosclerosis
• blood pressure monitoring and antihypertensive therapy
• arrhythmias: diagnosis, follow-up, and treatment adjustment
• cardiovascular care and recovery support after Covid-19

Dr. Nataliia Lifantieva is a cardiologist and cardiac electrophysiologist with extensive experience in the diagnosis and treatment of arrhythmias. She offers online consultations for patients with chronic cardiovascular conditions, including medication management and post-operative follow-up.

Main areas of expertise:

• Diagnosis and treatment of arrhythmias: extrasystole, atrial fibrillation and flutter, supraventricular and ventricular tachycardia
• Conduction disorders: AV blocks, sinoatrial block, bradyarrhythmias
• ECG and Holter monitor interpretation, including data from smartwatches
• Evaluation for interventional treatment: stenting, bypass surgery, valve replacement
• Anticoagulant management (e.g., warfarin, DOACs) based on kidney function and clinical context
• Perioperative advice on anticoagulant/antiplatelet therapy before dental procedures

Dr. Karim Ben Harbi is a licensed general practitioner based in Italy. He provides online consultations for adults and children, combining international clinical experience with evidence-based medicine. His care approach is focused on accurate diagnosis, preventive care, and personalised health guidance.

Dr. Ben Harbi received his medical degree from Sapienza University in Rome. His training included hands-on experience in diverse settings — tropical medicine, rural healthcare, and urban outpatient practice. He also conducted clinical research in microbiology, exploring the role of the gut microbiome in chronic gastrointestinal issues.

You can consult Dr. Ben Harbi for:

• General health concerns, prevention, and primary care.
• Hypertension, type 1 and type 2 diabetes, metabolic issues.
• Cold, cough, flu, respiratory infections, sore throat, fever.
• Chronic digestive issues: bloating, gastritis, IBS, microbiome imbalance.
• Skin rashes, mild allergic reactions, basic dermatological complaints.
• Medication guidance, treatment adjustments, prescription review.
• Paediatric concerns — fever, infections, general well-being.
• Lifestyle optimisation: stress, sleep, weight, and diet counselling.

Dr. Ben Harbi offers reliable, accessible medical support through online consultations, helping patients make informed decisions about their health with a clear, structured, and compassionate approach.

Dr. Eteri Tabeshadze is a cardiologist with the highest qualification category and over 32 years of clinical experience. She also practises functional diagnostics, offering a comprehensive approach to cardiovascular care. Dr. Tabeshadze provides online consultations for adults with a wide range of heart-related conditions, from preventive screenings to acute and chronic disease management.

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)