La Plateforme de Tourisme Médicale n°1 depuis 2014

Les Meilleurs doctors pour votre Ulthérapie - TOP 43 des médecins

author
Le contenu respecte la Politique Éditoriale Bookimed et est examinée médicalement par
Fahad Mawlood - Praticien généraliste. Lauréat de 4 prix scientifiques. Diplômé en Asie occidentale. Ancien Chef d'une équipe médicale aidant les patients arabes. Aujourd'hui responsable du traitement des données et de l'exactitude du contenu médical.
image
Leyla Arvas
Plastic surgeon
26 années d'expérience
4.4
58 avis
Turquie, Istanbul
Quartz Hospital

Leyla Arvas

Plastic surgeon
26 années d'expérience

Dr. Leyla Arvas is a Plastic, Reconstructive and Aesthetic Surgery specialist who has studied microsurgery and laser treatments in Taiwan, Tokyo, and Barcelona. She has performed aesthetic operations in private offices, hospitals, and clinics, specializing in Rhinoplasty, Bepharoplasty, Face Lifts, Liposuction, Breast Lift-Augmentation-Reduction, and Tummy Tuck procedures. She is experienced in VASER and LASER liposuction technologies and High Definition Liposculpturing.

Lire la suite
image
Ramazan Arslan
Plastic surgeon
9 années d'expérience
4.4
58 avis
Turquie, Istanbul
Quartz Hospital

Ramazan Arslan

Plastic surgeon
9 années d'expérience

Le Dr Ramazan Arslan est un chirurgien esthétique, plastique et reconstructeur basé à Istanbul, en Turquie. Ses domaines d'expertise incluent l'esthétique faciale, le remodelage mammaire et corporel, ainsi que la microchirurgie.

Le Dr Arslan a obtenu son diplôme de médecine en 2015 et a depuis exercé dans des établissements de premier plan en Turquie. Il a publié des recherches dans des revues internationales et a présenté des communications lors de congrès nationaux.

Lire la suite
image
Esra Tustas Haberal
Obstetrician-gynecologist
27 années d'expérience
4.5
143 avis
Turquie, Istanbul
Hisar Intercontinental Hospital

Esra Tustas Haberal

Obstetrician-gynecologist
27 années d'expérience

Dr. X was born in 1974 and graduated from Istanbul University's Istanbul School of Medicine in 1997. She has won awards for her work and has participated and presented at numerous national and international congresses. She specializes in Supervision of Pregnancy and Delivery, Supervision of high-risk pregnancy, Diagnosis and Treatment of Urinary Incontinence, Infertility, Laparoscopic Surgery, Hysteroscopic Surgery, Pelvic floor surgery, and Genital Aesthetic Surgery. She has worked at Delta Hospital, Çengelköy Ülkü Hospital, and Umraniye Training and Research Hospital.

Lire la suite
image
Irina Zvada
Dermatologist
24 années d'expérience
4.3
23 avis
République tchèque, Prague
Altos Clinic

Irina Zvada

Dermatologist
24 années d'expérience

Médecin expérimenté avec 16 ans d'expérience en cosmétologie et dermatologie. Spécialisé dans les méthodes anti-âge non invasives et les méthodes de rajeunissement instrumental. A participé à de nombreux séminaires et ateliers de formation dans le domaine des traitements dermatologiques, de la dermatologie esthétique et corrective.

Lire la suite
4.3
23 avis
Visite du médecin prix sur demande
Ulthérapie $338.57 - $1145.94
Plus de traitements
Choisir le bon médecin et la bonne clinique : conseils d'initiés
Lors du choix d’un médecin ou d’une clinique, gardez ces points essentiels à l’esprit :
Vérifiez les qualifications
Vérifiez les certifications d’organismes tels que l’ISAPS, la JCI, etc.
Examinez les taux de réussite
Choisissez des médecins ayant une solide expérience dans votre traitement spécifique.
Lisez les avis des patients
Consultez les avis patients réels sur Bookimed pour découvrir leur expérience.
Assurer la communication
Choisissez des cliniques offrant un support linguistique pour un traitement fluide.
Demander les services
Confirmez s'ils offrent un hébergement et des transferts, et vérifiez les coûts.
Choisir une clinique à l'étranger peut être stressant. Chez Bookimed, avec plus de 800 000 patients aidés, nous comprenons vos préoccupations. Nous savons comment trouver des médecins de confiance, les meilleures options qualité-prix, et des solutions pour les cas les plus complexes. Nous sommes là pour vous guider à chaque étape.
image
Yan Matsiivskiy
Responsable de l'équipe de coordination médicale
image
Sirintip Jira-adsai
Dermatologist
15 années d'expérience
5.0
2 avis
Thaïlande, Bangkok
Asia Cosmetic Hospital

Sirintip Jira-adsai

Dermatologist
15 années d'expérience

Dr. Sirintip Jira-adsai - Anti-Aging Medicine & Dermatologist

About Dr. Sirintip Jira-adsai

Dr. Sirintip Jira-adsai is a renowned specialist in Anti-Aging Medicine, Dermatology, and Regenerative Medicine. With years of experience in the field, she has helped numerous patients achieve youthful and healthy skin.

Specialty

Dr. Sirintip specializes in Anti-Aging Medicine, Dermatology, and Regenerative Medicine. She offers a wide range of treatments to help patients maintain a youthful appearance and address various skin concerns.

Education and Training

Dr. Sirintip Jira-adsai completed her medical degree from a prestigious institution and underwent specialized training in Anti-Aging Medicine and Dermatology. She is committed to staying updated with the latest advancements in her field.

Experience

With years of experience in the field, Dr. Sirintip has successfully treated numerous patients with various skin concerns. She is known for her expertise in Anti-Aging Medicine and Dermatology.

Working Clinic

Dr. Sirintip Jira-adsai practices at Asia Cosmetic Hospital in Bangkok, Thailand. The clinic is equipped with state-of-the-art facilities to provide the best possible care to patients seeking anti-aging and dermatological treatments.

For more information or to schedule an appointment with Dr. Sirintip Jira-adsai, please contact Asia Cosmetic Hospital.

Lire la suite
image
Bank Santisukwongchot
Aesthetic Doctor
8 années d'expérience
Thaïlande, Chiang Mai
Clinique du Dr Chen

Bank Santisukwongchot

Aesthetic Doctor
8 années d'expérience

Get to know the clinic's doctors

Dr. Bank, Dr. Kobchai Santisukwongchot

Skin specialist
- Graduated from the Faculty of Medicine, Chiang Mai University

- Worked at Maharaj Nakorn Chiang Mai Hospital for 1 year.

  • Studying forensic medicine at the Faculty of Medicine, Chiang Mai University
    - Graduated with a specialization and worked as a medical professor at Rayong 
    - Along the way, there are training sessions and study of various procedures such as:

✅ Filler

✅ Botox

✅ Including laser procedures

✅ Thread lift

✅ Ulthera

-Trend Update techniques for beautiful lips by injecting Belotero Lips Filler, a filler from Switzerland.

- Join the class on belotero filler injection from Switzerland 

Lire la suite
image
Wariya Charoenrakpakdee
Aesthetic Doctor
4 années d'expérience
Thaïlande, Bangkok
Centre de bien-être R3 Life

Wariya Charoenrakpakdee

Aesthetic Doctor
4 années d'expérience

Education Background "Dr.Wariya Charoenrakdee" (Dr.Koy)

-Medical Degree of Navamindradhiraj University

-Master degree of Science of Dhurakij Pandit University (Anti-Aging regenerative medicine)

-Board certified of American Board of Anti-aging and Regenerative Medicine

-Certification of Aesthetic Training Program, Aesthetic Academy.

-Certification of Stem cell for Aesthetic, H.E.A.T.

-Certification of Chelation Therapy, Chelation Medical Association,Thai.

-แพทยศาสตร์บัณฑิตย์ มหาวิทยาลัยนวมินทราธิราช

-ปริญญาโท วิทยาศาสตร์มหาบัณฑิตย์ สาขาวิทยาการชะลอวัยและฟื้นฟูสุขภาพ มหาวิทยาลัยธุรกิจบัณฑิตย์

 

 

 

Lire la suite
Visite du médecin prix sur demande
Ulthérapie $1273.94 - $2547.88
Plus de traitements
image
Tanaporn Eiamprapai
Dermatologist
7 années d'expérience
Thaïlande, Bangkok
Centre de bien-être R3 Life

Tanaporn Eiamprapai

Dermatologist
7 années d'expérience

Education Background “Dr. Tanaporn Eiamprapai” (Dr.Ploy)

-Medical Degree, Phramongkutklao College of Medicine, Mahidol University

-Master of Science in Clinical Dermatology, Cardiff University

-Board certified of American Board of Anti-Aging and Regenerative Medicine

-Certification of Aesthetic Training Program, Aesthetic Academy.

-Certification of Stem cell for Aesthetic, H.E.A.T.

-Certification of Chelation Therapy, Chelation Medical Association,Thai.

 

-ปริญญาตรี แพทยศาสตร์บัณฑิต วิทยาลัยแพทยศาสตร์พระมงกุฎเกล้า, มหาวิทยาลัยมหิดล

-ปริญญาโท วิทยาศาสตร์มหาบัณฑิต สาขาตจวิทยา มหาวิทยาลัย คาร์ดิฟ, สหราชอาณาจักร

 

 

 

 

 

Lire la suite
Visite du médecin prix sur demande
Ulthérapie $1273.94 - $2547.88
Plus de traitements
image
Margarita Kononenko
Dermatologist
14 années d'expérience
4.0
1 avis
Pologne, Varsovie
Clinique Herhel

Margarita Kononenko

Dermatologist
14 années d'expérience

Specialist in "Anti-Age" therapy

Certified trainer of the company "NLC Aesthetic School" in contour plastic

Work experience: 14 years

Has a higher education in cosmetology

The specialist deals with a wide range of services in cosmetology and aesthetic medicine

Performed aesthetic medicine procedures

In the field of aesthetic medicine, Maryna Georgievna performs skin treatment, as well as correction, including age-related changes, using injection techniques:

mesotherapy of the skin of the face, neck, head, décolleté and hands

biorevitalization of the skin of the face, neck, décolleté and hands

contour plastic with fillers of hyaluronic acid and calcium hydroxyapatite of such areas as:

cheekbones

nasolacrimal groove

nasolabial folds

chin

neck

face oval

nose

earlobes

correction of the volume and shape of the lips

botulinum therapy:

upper third of the face (interbrow fold, wrinkles on the back and wings of the nose, horizontal forehead wrinkles, "crow's feet")

lower third of the face (pouch wrinkles, "marionette" wrinkles, severe platysma, correction of the oval face)

treatment of hyperhidrosis or increased sweating

PRP therapy or plasma lifting of the skin of the face, neck, head, décolleté and hands

Performed cosmetology services

Facial skin cleansing: performs mechanical, ultrasonic and atraumatic facial cleansing

Chemical peels

Various facial skin care protocols

Facial massage: perfectly masters several facial massage techniques:

classic

lymphatic drainage

plastic

Spanish lifting

He uses hardware techniques in his work:

microcurrent massage

radio wave lifting

face and body biostimulation on the Futura Pro device

ultrasonic phonophoresis

carbon laser peeling

laser treatment of pigmentation and couperosis

laser tattoo removal

.Performs various micropigmentation techniques:

shadow technique

shading

varnishing

hair technique

He uses regenerative methods of rejuvenation in his work (cell therapy and skin regeneration).

Margarita is an active participant in international congresses and conferences in the field of aesthetic medicine, constantly raising the level of her knowledge and skills. He is also the author of articles for professional publications

Coaching activity

In addition to practical activities in the field of aesthetic medicine, the doctor is a certified trainer of the "NLC Aesthetic School" company in contour plastic surgery. As a company trainer, she conducts group master classes for practicing cosmetologists, as well as individual training in lip contouring: volume increase, shape and contour correction.

Lire la suite
image
Anna Korotich
Dermatologist
11 années d'expérience
4.0
1 avis
Pologne, Varsovie
Clinique Herhel

Anna Korotich

Dermatologist
11 années d'expérience

 

Education:

2010 - 2016 - National Medical University named after O.O. Bogomolets, specialty "Medical business"

2017 - completed an internship in the field of "Laboratory diagnostics"

2018 - Ukrainian Military Medical Academy, specialty "Dermatovenereology"

2021 - senior lecturer of the department of VZPSM on the course "Dermatovenereology", Ukrainian Military Medical Academy  

2021 - certified trainer in injection techniques

Since 2017 - dermatologist, cosmetologist at Mediland MC

Improving skills and acquiring new knowledge:

2017 - courses under the program "Cosmetologist, body esthetician" at the School of Cosmetology and Aesthetic Medicine "Partner +"

2017 - courses under the program "Specialist in injection techniques: mesotherapy, biorevitalization, botulinum therapy, contour plastic surgery"

2017 - participant of the III All-Ukrainian symposium Company of Cosmetology

2018 - course under the "Trichology" program

2018 - course under the program "Plasmotherapy"

2018 - course under the program "Contour plastic in aesthetic medicine"

2018 - course under the program "PRX-T33 - Injection-free dermal remodeling"

2018 - received training in laser techniques "Laser training on: Motus, MINISILK_FT, YNCHRO_FT"

2018 - participant of the 4th All-Ukrainian symposium "Company of Cosmetology"

2020 - "MEDfocus: dialogue of professionals" Modern approaches in dermatology and aesthetic medicine

2020 - "DERM SUMMIT" International scientific and practical virtual summit for doctors of all specialties and patients on dermatology issues

2021 - "Melanoma days 2021"

2021- "Acne, rosacea and chronic dermatoses of the face" as part of the 2021 Spring Symposium.

2021 - "Academy of Trichology"

2021 - "S-congress 3.0"

2021 - "Advanced dermatology: multifaceted possibilities and solutions"

2022 - academic readings named after Volodymyr Pask within the framework of the 31st International Medical Exhibition "PUBLIC HEALTH 2022"

2022 - "MELANOMA DAY 2022"

Is a valid member:

Ukrainian Association of Dermatologists and Cosmetologists UADVC

International Association of Aesthetic Cosmetology and Mesotherapy MAEKM

The doctor is an expert in the TV project "I am ashamed of my body" (STB channel) - he conducts consultations, diagnoses and treats patients, the heroes of the project.

Certified trainer in injection techniques of the MedHome company for Twac and Phillex drugs.Senior lecturer of the Department of the Ukrainian Academy of Medical Sciences for the course "Dermatovenereology", Ukrainian Military Medical Academy  

A trichologist, dermatologist diagnoses and treats such diseases of the skin of the face and body, nails and hair as:

acne skin irritations, acne, postacne

rosacea

demodicosis

seborrheic dermatitis

skin neoplasms - warts, papillomas, etc

alopecia or hair loss of various types (examination using a trichoscope and laboratory tests, prescription of conservative treatment, treatment using injection methods of treatment)

onychomycosis or nail fungus

other diseases of the skin of the face, body, hair

Performed procedures for diagnosis and treatment of dermatological diseases:

Dermatoscopy

Radiowave removal of skin neoplasms with the Surgitron device

Cryodestruction of skin neoplasms - warts, papillomas

Cryomassage of the skin of the face, body and scalp

Trichoscopy of the scalp and hair follicles

The doctor will draw up an individual comprehensive skin care program depending on the type of skin and its condition

The cosmetologist performs the following procedures:

Laser cosmetology:

laser epilation

laser grinding

photo rejuvenation

carbon peeling

Classical cosmetology:

mechanical cleaning of the face

ultrasonic face cleaning

chemical peels

facial massage

carboxytherapy

skin care procedures

comprehensive skin care programs

Hardware cosmetology:

procedures on "Futura PRO"

Ultrasonic facial massage

microcurrent

myostimulation of the face and body

biostimulation of the face and body

darsonval of the face and scalp

Injection cosmetology:

mesotherapy of the face, body and scalp / hair

biorevitalization

revitalization "Aquashine"

botulinum therapy

contour plastic

plasma lifting or PRP therapy

Cryotherapy:

cryomassage of the skin of the face, décolleté, back

cryomassage of the scalp

Lire la suite
image
Nathamon Gunmintr
Dermatologist
7 années d'expérience
Thaïlande, Bangkok
Centre de bien-être R3 Life

Nathamon Gunmintr

Dermatologist
7 années d'expérience

Educational Background "Dr.Nathamon Gunmintr" (Dr.Now)

-Medical Degree, Siriraj hospital (1st class honour)

-Master of Science in Clinical Dermatology, Cardiff University (Distinction)

-Currently studying PhD Anti-aging and Regenerative medicine DPU

-Certification of Aesthetic Training Program, Aesthetic Academy.

-Certification of Stem cell for Aesthetic, H.E.A.T.

-Certification of Chelation Therapy, Chelation Medical Association,Thai.

 

-ปริญญาตรี แพทยศาสตร์บันฑิต ศิริราชพยาบาล(เกียรตินิยมอันดับ1)

-ปริญญาโท เวชศาสตร์ผิวหนัง มหาวิทยาลัยคาดิฟ สหราชอณาจักร

-กำลังศึกษาต่อปริญญาเอก เวชศาสตร์ชะลอวัยและฟื้นฟูสุขภาพ มหาวิทยาลัยธุรกิจบัณฑิตย์

Lire la suite
Visite du médecin prix sur demande
Ulthérapie $1273.94 - $2547.88
Plus de traitements
image
Thanyalak Gaeosuksai
Aesthetic Doctor
3 années d'expérience
Thaïlande, Bangkok
Centre de bien-être R3 Life

Thanyalak Gaeosuksai

Aesthetic Doctor
3 années d'expérience

Education Background "Dr.Thanyalak Gaeosuksai" (Dr.Thanya)

-Advance Nutrition for Wellness Program, Integrative Functional Nutrition and Wellness Center, Bangkok Thailand 

-ANTI-AGING FELLOWSHIP Dhurakit Pundit University , Bangkok Thailand

-BACHELOR OF MEDICINE AND BACHELOR OF SURGERY (MBBS) Zhengzhou University, Zhengzhou, Henan, P.R.C 

-HEAT congress Participant 

-A4M Symposium Attendee 

-Stem cells for Aesthetics

 

Lire la suite
Visite du médecin prix sur demande
Ulthérapie $1273.94 - $2547.88
Plus de traitements
image
Akkavich Harnnavachok
Dermatologist
13 années d'expérience
5.0
1 avis
Thaïlande, Phuket
Siam Clinic Phuket

Akkavich Harnnavachok

Dermatologist
13 années d'expérience

accréditations:

American Board of Laser Surgery

Ce médecin est un spécialiste hautement qualifié et expérimenté en matière de remodelage du visage à l'aide d'additifs (produits de comblement), de lifting par le fil, d'injections de botox et de liposuccion, qui a reçu de nombreux prix et certificats. Il est titulaire d'un doctorat en médecine de l'université Prince of Songkla et de divers certificats en chirurgie laser, thérapie par chélation, thérapie cellulaire, transfert de cellules souches de graisse, etc.

Lire la suite
5.0
1 avis
Visite du médecin prix sur demande
Ulthérapie $188.2 - $376.39
Plus de traitements
image
Pimpa Tantanasrigul
Aesthetic Doctor
15 années d'expérience
Thaïlande, Bangkok
Hôpital Wansiri

Pimpa Tantanasrigul

Aesthetic Doctor
15 années d'expérience

Dr. Pimpa Tantanasrigul แพทย์หญิงพิมพา ตันธนศรีกุล

ANTI-AGING 
 

Educational Background

 

2021 Preventive Medicine Diploma of the Thai Board of Preventive Medicine (Public Health), The Medical Council of Thailand

2019 Master of Science in Genes, Imperial College London, UK (Government Scholarship, Civil Service Commission) American Board of Anti-Aging and Regenerative Medicine, USA

2018 Certificate in Dermatology and Dermatosurgery (Anti-Aging), Juntendo University, Faculty of Medicine, Japan (Japanese Government Scholarship JiCA)

2016 Diploma of the Thai Board of Dermatology.Institute of Dermatology

2011 Master of Science in Clinical Dermatology, Cardiff University, UK Fellowship Training in Cutaneous and Laser Surgery, Institute of Dermatology

Lire la suite
image
Andrea Parafioriti
Plastic surgeon
5 années d'expérience
Suisse, Lugano
LaCLINIQUE of Switzerland

Andrea Parafioriti

Plastic surgeon
5 années d'expérience

Dr. med. Andrea Parafioriti specializes in Reconstructive and Aesthetic Plastic Surgery.

He attended the Di Ivo Pitanguy School of Plastic Surgery for two years as an internal plastic surgeon and has had more than 900 surgeries to his credit.

He continued his training in France with Dr. med. Francois Petit, specializing in new minimally invasive gluteoplasty techniques.

Subsequently, he trained new plastic surgeons in residency school in Palermo, Italy.

He is a new generation plastic surgery specialist, particularly trained in the best schools in the world and who has gained experience with the use of new protocols with mesenchymal stem cells applied to both surgery and regenerative medicine.

Lire la suite
image
Camps Fresneda Alejandro
Dermatologist
45 années d'expérience
4.7
403 avis

Camps Fresneda Alejandro

Dermatologist
45 années d'expérience
Espagne, Barcelone
Centro Médico Teknon
image
López Gil Francisco José
Dermatologist
28 années d'expérience
4.7
403 avis

López Gil Francisco José

Dermatologist
28 années d'expérience
Espagne, Barcelone
Centro Médico Teknon
image
Mustafa Tumturk
Dermatologist
15 années d'expérience
5.0
47 avis
Turquie, Istanbul
Health Point World Clinic

Mustafa Tumturk

Dermatologist
15 années d'expérience

Medical aesthetics is a specialized field of medicine that focuses on improving cosmetic appearance through the treatment of conditions including scars, skin laxity, wrinkles, moles, liver spots, excess fat, cellulite, unwanted hair, skin discoloration and spider veins. In Istanbul, Turkey, medical aesthetics encompasses a broad range of non surgical procedures that aim to enhance an individual’s appearance and boost their self confidence.

  • Injectables: Including Botox and dermal fillers to reduce the appearance of wrinkles and to plump up the skin.
  • Laser Treatments: Utilized for hair removal, skin resurfacing, and to diminish the visibility of scars or pigmentation.
  • Skin Rejuvenation: Such as chemical peels, microneedling, and light therapy to improve skin texture and tone.
Lire la suite
image
Nazan Taslidere
Dermatologist
29 années d'expérience
5.0
29 avis
Turquie, Istanbul
Istanbul Florence Nightingale Hospital

Nazan Taslidere

Dermatologist
29 années d'expérience

Published journal articles indexed by SCI, SSCI, and AHCI I. Investigation of the effectiveness of teledermatology in the diagnosis of skin lesions in pediatric patients TaslidereN.,KucukO.S. Revista daAssociacaoMedicaBrasileira (1992),vol.69,no.10,2023 (SCI-Expanded) I . Can a Correct Diagnosis Be Established Using the TeledermatologyMethod? TAŞLIDEREN.,SUKÜÇÜKÖ. ACTADERMATOVENEROLOGICACROATICA,vol.30,no.1,pp.32-39,2022 (SCI-Expanded) I I. Melkersson-Rosenthal syndrome induced by COVID-19: A case report TaşlıdereB.,MehmetajL.,ÖzcanA.B.,GülenB.,TaşlıdereN. AmericanJournalofEmergencyMedicine,vol.41,2021 (SCI-Expanded) IV. Which dermatology patients attend to Dermatology Outpatient Clinics during the SARS-CoV-2 outbreak in Turkey and what happened to them? CENGİZ F.P.,EMİROĞLUN.,BAHALIA.G.,DİZMAND.,TAŞLIDEREN.,AkarslanT.C.,GunesB.,MERTÖ.,KÜÇÜKÖ.S., ONSUNN. DERMATOLOGICTHERAPY,vol.33,no.4,2020 (SCI-Expanded)

Lire la suite
image
Mihail Tujicov
Dermatologist
24 années d'expérience
4.3
23 avis
République tchèque, Prague
Altos Clinic

Mihail Tujicov

Dermatologist
24 années d'expérience
Médecin généraliste ayant 21 ans d'expérience en dermatologie, spécialisé dans l'ozonothérapie, le traitement au laser, les méthodes instrumentales et d'injection pour le rajeunissement, le traitement de l'acné, de la cuperose, de l'herpès et la liposuccion non invasive. Diplômée de l'Institut d'État de Chisinau, elle participe régulièrement à des ateliers et à des congrès.Lire la suite
4.3
23 avis
Visite du médecin prix sur demande
Ulthérapie $338.57 - $1145.94
Plus de traitements
Cette page peut contenir des informations relatives à diverses conditions médicales, traitements et services de santé disponibles dans différents pays. Veuillez noter que le contenu est fourni à des raisons d'information seulement et ne devrait pas être interprété comme conseil médical. Veuillez consulter votre médecin ou un professionnel de la santé qualifié avant d'entreprendre ou de changer de traitement médical.