Lumps and spots on the penis

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.

Dr Tomasz Grzelewski is an MD, PhD specialist in allergy, paediatrics, general practice and sports medicine, with a clinical focus on dermatology, endocrinology, allergology and sports-related health. He has more than 20 years of clinical experience and completed his medical training at the Medical University of Łódź, where he defended his PhD thesis with distinction. His doctoral research was recognised by the Polish Society of Allergology for its innovative contribution to the field. Throughout his career, he has gained extensive expertise in diagnosing and managing a wide range of allergic and paediatric conditions, including modern allergen desensitisation techniques. For five years, Dr Grzelewski served as the Head of two paediatric departments in Poland, managing complex clinical cases and leading multidisciplinary teams. He also worked in medical centres in the United Kingdom, gaining experience across both primary care and specialist environments. With over a decade of telemedicine experience, he has provided online consultations across Europe and is valued for his clear, structured and evidence-based medical guidance. Dr Grzelewski is actively involved in clinical programmes focused on modern anti-allergic therapies. As a Principal Investigator, he leads research projects on sublingual and oral allergen desensitisation, supporting evidence-based progress in allergy treatment for both children and adults. In addition to his background in allergology and paediatrics, he completed dermatology studies through the Cambridge Education Group (Royal College of Physicians of Ireland) and a Clinical Endocrinology course at Harvard Medical School. This advanced training enhances his ability to manage skin manifestations of allergies, atopic conditions, urticaria, endocrine-related symptoms and complex immunological reactions. Patients commonly seek his care for: 

• seasonal and perennial allergies
• allergic rhinitis and chronic nasal symptoms
• asthma and breathing difficulties
• food and medication allergies
• urticaria, atopic dermatitis and skin reactions
• recurrent infections in children
• sports-related health questions
• general family medicine concerns

Dr Tomasz Grzelewski is known for his clear communication style, structured medical approach and ability to explain treatment options in a concise and accessible way. His multidisciplinary background across allergy, paediatrics, dermatology and endocrinology allows him to provide safe, up-to-date and comprehensive care for patients of all ages.

Dr. Lizaveta Trafimchuk Takhvaniuk graduated in Medicine and subsequently specialized in Dermatology and Venereology. She has more than 10 years of clinical experience and is licensed to practice in Spain, where she focuses on the comprehensive diagnosis and treatment of dermatological conditions.

Throughout her education and professional career, Dr. Trafimchuk has gained extensive experience in managing diseases of the skin, hair, and nails, as well as in the diagnosis, treatment, and prevention of sexually transmitted infections (STIs). Her clinical approach is based on evidence-based medicine, combined with personalized care tailored to each patient’s needs.

In her daily practice, she treats a wide range of dermatological conditions, including chronic inflammatory dermatoses such as acne, rosacea, atopic dermatitis, psoriasis, and eczema. She also has experience in treating pigmentation disorders, including melasma, post-inflammatory hyperpigmentation, and dyschromia.

She has developed a particular interest in trichology, treating various types of alopecia, chronic hair loss, and scalp disorders. In addition, she has experience in managing infectious dermatoses of fungal, viral, and bacterial origin, as well as in evaluating benign and suspicious skin lesions, with referral to specialized care when necessary.

With a strong interest in a comprehensive approach to skin health, she also treats scars, post-procedural skin changes, and conditions related to hormonal factors and aging, including those associated with pregnancy, menopause, and age-related skin changes.

Thanks to her experience and continuous professional development, Dr. Trafimchuk provides high-quality medical care that is professional, confidential, and aligned with modern dermatology standards.

Dr. Daria Litash is an experienced physician specializing in general medicine, weight management, healthy weight loss, and overall wellness. Her approach combines thorough medical assessment with personalized recommendations to help patients improve their health and maintain an active, balanced lifestyle.

During every online consultation, she places particular emphasis on taking a detailed medical history and identifying the underlying causes of symptoms. When clinically appropriate, she recommends blood tests or additional diagnostic investigations to provide a more accurate assessment and create an individualized treatment plan.

Her main areas of expertise include:

• Healthy weight management and weight loss
• Overweight treatment and long-term weight maintenance
• Hair loss assessment and management
• Skin health evaluation
• General medical consultations for adults
• Preventive medicine and healthy lifestyle guidance

Dr. Litash also holds a qualification in Aesthetic Medicine, allowing her to approach skin and hair concerns from both a medical and preventive perspective, always following evidence-based principles and current clinical recommendations.

Her professional background includes several years of experience working in community pharmacy in Spain, providing her with extensive knowledge of medications, treatment options, and therapeutic alternatives available on the Spanish market, as well as experience in selecting international pharmaceutical products when clinically appropriate.

Her online consultations are designed to provide clear, personalized, and patient-centered medical care, helping individuals better understand their health, make informed treatment decisions, and achieve sustainable long-term wellbeing.

Dr Pedro Soares Lopes is a physician with four years of experience working mainly in urgent and emergency care. He has worked at HUC, ULSRA, Hospital da Luz de Aveiro and ARS Açores, where he has assessed a wide range of medical and surgical concerns, from straightforward cases to complex situations requiring careful evaluation.

His emergency care experience has brought him into contact with patients of different ages, including pregnant patients. This broad clinical background helps him assess symptoms, identify when further investigation may be needed and explain the appropriate next steps.

Dr Soares Lopes also has experience providing home consultations and travel medicine consultations. He understands that health concerns can arise when patients are away from their usual doctor or need help deciding where to seek care. In addition, he worked for approximately one year in occupational health in the Netherlands, adding an international perspective to his clinical practice.

In an online consultation, Dr Soares Lopes aims to give patients clear, practical guidance based on their symptoms and circumstances. If a condition requires a physical examination, urgent assessment or treatment in person, he can help patients understand why and where to seek further care.

Patients can consult Dr Soares Lopes through Oladoctor for health concerns suitable for an online medical consultation.