GASTRITOL DR. KLAJN

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. 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.

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. Taisiia Proida is a psychiatrist and cognitive behavioural therapist (CBT), and a member of the European Psychiatric Association. She offers online consultations for adults aged 18 and over, combining evidence-based medicine with an individualised approach to mental health care.

She specialises in consultations and ongoing support for a wide range of mental health concerns, including:

• Mood disorders: depression, bipolar disorder, postpartum depression.
• Anxiety disorders: generalised anxiety, OCD, panic attacks, phobias.
• Post-traumatic stress disorder (PTSD) and complex PTSD.
• Attention deficit hyperactivity disorder (ADHD) and autism spectrum disorder (ASD).
• Personality disorders and emotional instability.
• Cyclothymia and mood fluctuations.
• Schizophrenia spectrum and related conditions.

Dr. Proida combines clinical expertise with an empathetic approach, offering structured support based on evidence-based practices. Her work integrates CBT techniques with medical management, with a focus on anxiety and depressive disorders.

She works with clients from different countries and cultural backgrounds, adapting her communication style and recommendations to individual needs. With experience in international clinical trials (Pfizer, Merck), she values clarity, trust, and collaborative partnership in patient care.

Dr Alexandra Alexandrova is a licensed general medicine doctor in Spain, specialising in trichology, nutrition, and aesthetic medicine. She offers online consultations for adults, combining a therapeutic approach with personalised care for hair, scalp, and overall health.

Areas of expertise:

• Hair loss in women and men, postpartum hair loss, androgenetic and telogen effluvium.
• Scalp conditions: seborrheic dermatitis, psoriasis, scalp irritation, dandruff.
• Chronic conditions: hypertension, diabetes, metabolic disorders.
• Online trichology consultation: customised treatment plans, nutritional support, hair growth stimulation.
• Hair loss prevention: hormonal imbalance, stress factors, haircare strategies.
• Routine health check-ups, prevention of cardiovascular and metabolic diseases.
• Personalised nutritional advice to improve hair strength, skin health, and hormonal balance.
• Aesthetic medicine: non-invasive strategies to enhance skin quality, tone, and metabolic wellness.

Dr Alexandrova follows an evidence-based and holistic approach: online consultations with a therapist and trichologist on Oladoctor provide professional support for hair, scalp, and overall health — all from the comfort of your home.