VALERIANI NASTOJKA

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

Consultations are available in English and Portuguese. Patients value his clarity, professionalism, and balanced approach to evidence-based care.

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. 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 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.

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. Ekaterina Agapova is a neurologist specialising in the diagnosis and treatment of neurological conditions and chronic pain. She provides online consultations for adults, combining evidence-based medicine with a personalised approach.

She offers expert care for:

• Headaches and migraines, including tension-type and cluster headaches.
• Neck and back pain, both acute and chronic.
• Chronic pain syndromes – fibromyalgia, neuropathic pain, post-traumatic pain.
• Mononeuropathies – carpal tunnel syndrome, trigeminal neuralgia, facial nerve palsy.
• Polyneuropathies – diabetic, toxic, and other types.
• Multiple sclerosis – diagnosis, monitoring, long-term support.
• Dizziness and coordination disorders.
• Sleep disturbances – insomnia, daytime sleepiness, fragmented sleep.
• Anxiety, depression, and stress-related conditions.

Dr. Agapova helps patients manage complex neurological symptoms like pain, numbness, weakness, poor sleep, and emotional distress. Her consultations focus on accurate diagnosis, clear explanation of findings, and tailored treatment plans.

If you’re struggling with chronic pain, migraines, nerve disorders, or sleep problems, Dr. Agapova offers professional guidance to restore your well-being.

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. 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.

Dr Sergey Ilyasov is an experienced neurologist and qualified psychiatrist who provides online consultations for adults and adolescents. Combining deep neurological expertise with a modern psychiatric approach, he ensures comprehensive diagnostics and effective treatment for a wide range of conditions affecting both physical and mental health.

Dr. Ilyasov helps patients in the following cases:

• Chronic headaches (migraine, tension-type headache), back pain, neuropathic pain, dizziness, numbness in limbs, coordination disorders.
• Anxiety disorders (panic attacks, generalized anxiety disorder), depression (including atypical and treatment-resistant forms), sleep disturbances (insomnia, hypersomnia, nightmares), stress, burnout.
• Chronic pain syndromes and psychosomatic symptoms (e.g., irritable bowel syndrome related to stress, vegetative-vascular dystonia).
• Behavioral disorders and concentration difficulties in adolescents (including ADHD, autism spectrum disorders), nervous tics.
• Memory impairments, phobias, obsessive-compulsive disorder (OCD), emotional swings, and support for post-traumatic stress disorder (PTSD).

Thanks to his dual specialization in neurology and psychiatry, Dr Sergey Ilyasov offers integrated and evidence-based care for complex conditions requiring a multidisciplinary approach. His consultations focus on accurate diagnosis, development of an individualized treatment plan (including pharmacotherapy and psychotherapeutic methods), and long-term support adapted to each patient's unique needs.

Book an online consultation with Dr. Sergey Ilyasov to receive qualified assistance and improve your well-being today.