OHECON 0.25 %/10 % MEDICINAL COMPRESSED GAS

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 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.

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. Anna Moret is a board-certified dermatologist and dermatovenereologist. She specialises in adult and pediatric dermatology, venereology, aesthetic skin care, and general medicine. Her consultations are evidence-based and tailored to each patient’s dermatological needs.

Dr. Moret provides expert evaluation and treatment for:

• Skin conditions such as eczema, acne, rosacea, dermatitis, and psoriasis.
• Hair and scalp issues including hair loss, dandruff, and seborrheic dermatitis.
• Pediatric skin problems — from newborns to adolescents.
• Sexually transmitted infections (STIs) and dermatovenereology.
• Aesthetic concerns: skin ageing, non-invasive cosmetic treatments.
• Skin allergies and hypersensitivity reactions.
• Mole checks, lesion evaluation, and skin cancer screening.
• Skincare advice and personalised cosmeceutical routines.

Combining dermatology with general medical knowledge, Dr. Moret offers comprehensive care that addresses both skin health and underlying conditions. She also holds certification from the Canadian Board of Aesthetic Medicine, ensuring an internationally aligned approach to aesthetic dermatology.

Giorgi Eremeishvili is a top-category urologist, a Candidate of Medical Sciences, and a licensed physician in Spain. He provides expert assistance in the diagnosis and treatment of a wide range of urological conditions in both men and women, employing a comprehensive approach and evidence-based principles.

Key areas of expertise:

• Erectile dysfunction, decreased libido, premature ejaculation.
• Male infertility: comprehensive diagnosis and modern treatment methods.
• Prostate gland diseases: acute and chronic prostatitis, prostatic adenoma (benign prostatic hyperplasia), prostate cancer.
• Inflammatory diseases of the genitourinary system: acute and chronic cystitis, pyelonephritis, epididymitis, orchitis, urethritis.
• Sexually transmitted infections (STIs): chlamydia, ureaplasmosis, mycoplasmosis, gardnerellosis, candidiasis, herpetic infections, HPV, CMV, trichomoniasis, and others.
• Urination disorders: urinary retention, frequent urination, urinary incontinence, overactive bladder, neurogenic bladder.
• Neoplasms: cysts, tumors of the kidneys, bladder, testicles, prostate gland (including prostate cancer).
• Surgical interventions: determining indications and selecting optimal minimally invasive methods.

Dr. Eremeishvili applies an integrated approach to each case. This includes thorough preoperative preparation, postoperative observation, and regular dynamic follow-up during the treatment process to achieve the best possible outcomes. All diagnostic and therapeutic recommendations are based on current evidence-based medicine and comply with the recommendations of the European Association of Urology, guaranteeing high-quality and effective care.

If you are seeking qualified assistance in diagnosing or treating urological conditions, book an online consultation with Dr. Giorgi Eremeishvili. Get expert support, accurate diagnosis, and a personalized treatment plan from the comfort of your home.

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 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.

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 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.

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.