Symptom checker
What is your body telling you?
Find your symptom, read what can cause it, and see when an online consultation can help, or when it is safer to be seen in person.
- Medically reviewed by an EU-licensed doctor
- Clear signs for when to seek urgent care
- A consultation only if it can help
Weight
Hair
Sexual health
Skin
Popular
Where many people start
Common symptoms our doctors assess online.
All symptoms
Browse by area
Pick the area closest to what you are noticing.
Weight
Weight that will not shift, appetite that runs the day.
4 symptomsDifficulty losing weightWhen diet and exercise alone aren't enough.Constant hunger and appetite controlPersistent hunger can relate to sleep, stress, medication or metabolism.Regaining weight after a dietRegaining weight after a diet is physiological, not a lack of willpower.Weight-loss plateauPlateaus are part of the process; a medical review can help move past them.
When not to wait for an online consultation
Call 112Chest pain, sudden weakness on one side, trouble breathing, heavy bleeding or a very high fever need urgent care. Call 112.
How it works
From symptom to answer
Read the guide
What can cause it and what usually helps.
Answer online
A 5-minute questionnaire, from home.
A doctor decides
A reply in under 2 hours on average, or a clear next step.
Not sure where to start?
Answer a few questions and a doctor reviews your case in under 2 hours on average.
Start consultationNo charge unless a doctor approves your treatment.
All content on this page has been medically reviewed by: Dr. Alejandro Infante, General medicine, on 27 July 2026. Registration: 080869277
Pay nothing if a doctor doesn't approve your treatment. Every consultation is fully refundable. How refunds work