GASTRITOL DR. KLAJN

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. 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.

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 Neshta applies current clinical guidelines and diagnostic tools, offering medical support adapted to each patient’s individual needs — all in an accessible online format.

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 Habrykevych follows evidence-based medical standards and adapts each consultation to the patient’s individual situation. The online format allows for timely medical support without the need for an in-person visit.

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. Sergei Nalkin, PhD, is a neurologist, specialising in sports medicine and rehabilitation. He provides expert care for patients with neurological, musculoskeletal, and post-traumatic conditions, focusing on functional recovery and long-term symptom relief.

Dr. Nalkin offers consultations and treatment for:

• Neurological disorders including migraines, tension headaches, and peripheral neuropathies.
• Rehabilitation after stroke, brain injury, and spinal cord trauma.
• Chronic pain syndromes and musculoskeletal dysfunctions.
• Sports-related injuries: prevention, treatment, and recovery planning.
• Coordination and movement disorders affecting mobility and balance.
• Custom rehabilitation programmes for neurological and orthopedic conditions.

With a personalised, evidence-based approach, Dr. Nalkin helps patients restore physical function, reduce pain, and improve quality of life through targeted therapy and long-term support.

Dr Liudmyla Boichuk is a family medicine doctor providing diagnosis and treatment for a wide range of acute and chronic conditions in adults and children. She works with respiratory, cardiovascular and digestive system disorders and has extensive experience caring for patients with multiple coexisting conditions, where coordinated, whole-person management is essential.

She treats adults with respiratory illnesses such as pneumonia, COPD and bronchial asthma, as well as cardiovascular conditions including hypertension and ischaemic heart disease. Her practice also covers gastrointestinal complaints and chronic comorbidities that require careful, structured medical supervision.

Dr Boichuk provides care for children from birth, including acute respiratory viral infections, infectious diseases, pneumonia, bronchitis, bronchial obstruction syndromes and allergic reactions. She offers clear, evidence-based guidance to parents and ensures safe follow-up throughout the child’s recovery.

Her work also includes developing personalised immunisation plans and supporting families with long-term preventive care.

Known for her structured clinical approach and clear communication, Dr Liudmyla Boichuk offers patients of all ages comprehensive, reliable and evidence-based medical care.

Dr. Svetlana Kolomeeva is a general practitioner and internal medicine doctor providing online consultations for adults. She helps patients manage acute symptoms, chronic conditions, and preventive care. Her clinical focus includes cardiovascular health, hypertension control, and managing symptoms like fatigue, weakness, sleep issues, and overall low energy.

Patients commonly seek her help for:

• High blood pressure, headaches, dizziness, swelling, palpitations.
• Diagnosis and management of hypertension, arrhythmias, and tachycardia.
• Metabolic syndrome, excess weight, high cholesterol.
• Chronic fatigue, insomnia, poor concentration, anxiety.
• Respiratory symptoms: colds, flu, sore throat, cough, fever.
• Digestive issues: heartburn, bloating, constipation, IBS symptoms.
• Chronic conditions: diabetes, thyroid disorders.
• Interpretation of lab tests and medical reports, therapy adjustment.
• Second opinion and decision-making support.
• Cardiovascular disease prevention and metabolic risk reduction.
• Long-term follow-up and dynamic health monitoring.

Dr Kolomeeva combines clinical expertise with personalised care. She clearly explains diagnoses, guides patients through symptoms and treatment options, and provides actionable plans. Her consultations are designed not only to address current complaints but also to stabilise chronic conditions and prevent future complications. She supports patients through every stage of care – from first symptoms to ongoing health management.

Dr Anna Kondratiuk is a psychiatrist and psychotherapist with over 13 years of clinical experience in both inpatient and outpatient settings. She provides online consultations for adults, offering a balanced approach that combines evidence-based pharmacological treatment with psychotherapy.

Main areas of support:

• Depression and burnout
• Anxiety, panic attacks, phobias
• Post-traumatic stress disorder (PTSD)
• Psychosomatic symptoms and sleep disturbances
• Health anxiety (hypochondria)
• Mental health support in chronic physical illness
• Adjustment disorders and low self-esteem

Dr Kondratiuk focuses on creating a safe and respectful therapeutic environment where patients feel heard and supported. Her goal is to help each person achieve lasting improvements in their mental well-being.

Dr. Alexander Nazarchuk is a physician specialising in allergology and internal medicine. He provides online consultations for adults, following the principles of evidence-based medicine — no outdated treatments or unnecessary tests, with clear explanations and a personalised approach. He helps patients with a wide range of allergic and therapeutic conditions, from common day-to-day complaints to complex cases involving allergies, gastrointestinal issues, cardiovascular concerns, respiratory symptoms, and more.

You can consult Dr. Nazarchuk for:

• Test interpretation and guidance on diagnostic plans.
• Allergic rhinitis, hay fever, bronchial asthma (including severe cases).
• Food and drug allergies, skin rashes, angioedema.
• Atopic dermatitis, urticaria, contact allergies.
• Allergen-specific immunotherapy (AIT) – initiation and ongoing management.
• Abdominal pain, bloating, changes in bowel habits, nausea, heartburn.
• High blood pressure and adjustment of baseline antihypertensive therapy.
• Hyperlipidaemia and elevated cholesterol.
• Cough, nasal congestion, fever, sore throat.
• Anaemia, including iron deficiency and related conditions.
• Other issues related to allergology and internal medicine.

During consultations, Dr. Nazarchuk takes a thorough, structured approach — analysing symptoms, identifying potential causes, and helping patients make informed decisions. Whether treatment, further investigation, or monitoring is needed, he explains each step clearly so you understand your health and how best to manage it.