Serviços Portugal
Health

SNS 24 (National Health Service Portal)

Book appointments, access prescriptions, test results, request sick leave and manage your health online through the SNS 24 portal and app.

Go to official site

What you need before you start

  • Health Service User Number (Número de Utente de Saúde / SNS)
  • Cartão de Cidadão (Citizen Card) or Chave Móvel Digital
  • Date of birth

Step by step

  1. Go to www.sns24.gov.pt or download the SNS 24 app

  2. Click 'Iniciar Sessão' (Sign in) in the personal area

  3. Authenticate with Cartão de Cidadão, CMD or Health User Number

  4. To book an appointment: click 'Consultas' → 'Marcar Consulta' (Book Appointment)

  5. Select the appointment type (family doctor, teleconsultation, etc.)

  6. Choose an available date and time

  7. Confirm the booking and save the confirmation

  8. For sick leave: go to 'Documentos' → 'Declarações de doença' (Illness Certificates)

Tip: If in doubt, always contact the official service directly.

Editorial review

Useful context before opening the official portal

This section highlights the practical details that usually cause mistakes or delays. For the final decision, always confirm the official source.

Last reviewed: March 28, 2026

Official sources checked
Typical processing time

Prescriptions, declarations and clinical records are often available quickly, but appointments and medical responses still depend on your local health unit.

Costs and official fees

Access to the portal and app is free. Any consultation or healthcare charge depends on NHS rules and the specific provider.

Mistakes worth avoiding
  • Using SNS 24 for immediate emergencies instead of calling 112.
  • Keeping outdated phone or contact details and missing important notifications.
  • Assuming every appointment can be booked online without checking local availability.
Frequently asked questions

Can I use SNS 24 for urgent medical help?

You can use the SNS 24 line for triage and advice, but life-threatening emergencies should go to 112 straight away.

Does the personal area replace my health centre?

No. It is useful for prescriptions, declarations and some requests, but many services still depend on your local health unit or doctor.

Help us keep this guide accurate

If you notice a change on the official portal, send us a correction so we can review this guide quickly. SNS 24 (National Health Service Portal)

Send a correction

Ready to get started?

Go to SNS 24 (National Health Service Portal)
View all services