VAXCHORA effervescent powder and powder for oral suspension

Dr. Anastasiia Shalko is a general practitioner with a background in both paediatrics and general medicine. She graduated from Bogomolets National Medical University in Kyiv and completed her paediatric internship at the P.L. Shupyk National Medical Academy of Postgraduate Education. After working as a paediatrician in Kyiv, she relocated to Spain, where she has been practising general medicine since 2015, providing care for both adults and children.Her work focuses on urgent, short-term medical concerns – situations where patients need quick guidance, symptom assessment and clear next steps. She helps people understand whether their symptoms require in-person evaluation, home management or a change in treatment. Common reasons for booking an online consultation include:

• acute respiratory symptoms (cough, sore throat, runny nose, fever)
• viral illnesses such as colds and seasonal infections
• gastrointestinal complaints (nausea, diarrhoea, abdominal pain, gastroenteritis)
• sudden changes in how a child or adult feels
• questions about existing treatment and whether adjustments are needed
• renewal of prescriptions when clinically appropriate

Dr. Shalko works specifically with urgent and short-term problems, providing practical recommendations and helping patients determine the safest next step. She explains symptoms clearly, guides patients through decision-making and offers straightforward medical advice for everyday acute issues.She does not provide long-term management of chronic conditions, ongoing follow-up or comprehensive care plans for complex long-term illnesses. Her consultations are designed for acute symptoms, sudden concerns and situations where timely medical input is important.With clinical experience in both paediatrics and general medicine, Dr. Shalko confidently supports adults and children. Her communication style is clear, simple and reassuring, helping patients feel informed and supported throughout the consultation.

Dr Daniel Cichi is a family medicine doctor with over 20 years of clinical experience. He provides online consultations for adults, supporting patients with acute symptoms, chronic conditions, and everyday health concerns that require timely medical guidance. His background includes work in emergency care, ambulance services, and family medicine, which allows him to assess symptoms quickly, identify warning signs, and help patients choose the safest next steps – whether that means home care, treatment adjustment, or in-person evaluation. Patients commonly consult Dr Daniel Cichi for: 

• acute symptoms: fever, infections, flu-like illness, cough, sore throat, shortness of breath;
• chest discomfort, palpitations, dizziness, fatigue, and blood pressure concerns;
• digestive problems: abdominal pain, nausea, diarrhoea, constipation, reflux;
• sexually transmitted infections, erectile dysfunction;
• muscle, joint, and back pain, minor injuries, post-traumatic symptoms;
• chronic conditions: hypertension, diabetes, high cholesterol, thyroid disorders, weight loss, hair loss;
• review and interpretation of lab tests, imaging reports, and medical documents;
• medication review and treatment adjustment;
• medical advice while travelling or living abroad;
• second opinions and guidance on whether in-person care is needed.

Dr Cichi’s consultations are structured and practical. He focuses on clear explanations, risk assessment, and actionable recommendations, helping patients understand their symptoms and make informed decisions about their health.

Dr. Andrei Popov is a family physician with specialized training in the management of chronic pain. He provides video consultations for adults in Spain and across Europe: whether you have been living with pain for months that no one has been able to properly explain, or you need to resolve a health issue without waiting weeks for an appointment.

His approach is clear: to listen, organize your case, and provide you with a practical roadmap based on evidence-based medicine and adapted to your medical history and personal needs.

Pain: how he can help

• Chronic pain (more than 3 months
• Migraine and recurrent or high-intensity headaches
•  Neck, lower back, back and joint pain
•  Post-traumatic pain after injuries or surgeries
•  Pain of neurological origin: neuralgia, neuropathic pain, fibromyalgia

General medicine

• Frequent respiratory infections (cold, flu, persistent cough)
• Hypertension, diabetes and metabolic disorders
• Review of laboratory tests and MRI/CT reports (explained in clear language)
• Preventive medicine and health monitoring
• Second opinions and treatment adjustments (when clinically appropriate)

What the consultation is like
 Each session lasts up to 30 minutes. We review symptoms, medical history, medications and any tests you provide, and you finish the consultation with a clear treatment plan, defined next steps, and criteria to understand when follow-up may be needed. If warning signs are detected, he will clearly advise whether you need in-person care or urgent medical attention.

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. Duarte Meneses is a licensed family medicine and general practice doctor based in Portugal, with additional expertise in occupational health. He provides online consultations for adults, offering medical support for both acute symptoms and chronic health conditions.

• Common symptoms such as fever, sore throat, cough, fatigue, or digestive issues
• Chronic conditions including hypertension, diabetes, high cholesterol, and thyroid problems
• Mental health concerns such as stress, sleep issues, anxiety, and burnout
• Preventive care: health check-ups, lifestyle advice, and follow-up for existing conditions
• Work-related health questions, sick leave documentation, and medical guidance for returning to work

Dr. Meneses graduated from the University of Beira Interior and has years of experience working with diverse patient populations. He is fluent in Portuguese, English, Spanish, and French.

His approach is friendly, clear, and focused on delivering practical medical advice tailored to each patient’s needs.

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.

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. Liubov Popova is a neurologist and has been consulting adult patients in Valencia since 2019. She conducts consultations exclusively online, helping patients understand their neurological symptoms, identify possible causes of their complaints, and navigate the next steps in diagnosis and treatment.

Patients usually consult her with symptoms such as:

• headache and migraine
• dizziness
• numbness in the limbs
• sleep disorders
• tremor
• neck and back pain
• Parkinson’s disease
• as well as other complaints related to the nervous system

During the consultation, the doctor carefully analyzes the symptoms, medical history, and results of previously performed examinations in order to provide clear and well-grounded recommendations.

The doctor works with adult patients and provides consultations in Russian, English, and Spanish. In her practice, she pays special attention to ensuring that each consultation is not only professional but also comfortable and easy to understand for the patient, regardless of their location.

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.