The official websites to help foreign citizens in Austria:
More about Carinthia:
Standby doctors might be found here.
You can serach for doctors here.
Pharmacies that are open during weekends/nights:
You may find foreign language doctors under www.aekktn.at.
On the right-hand side of the screen you will find a link to search for doctors („Ärztesuche”) – The search option allows you to specify and choose between different specialists (Internal medicine (Internist), General Practioners (Allgemein Mediziner)...“, location and language. The result should be the doctor of your choice closest to your home.
Standby doctors could be found here.