hjælp til syg hund

https://atomic-wiki.win/index.php/Finding_Trusted_Vet_Care:_Why_a_dyrl%C3%A6gepraksis_med_vagt_Matters_on_the_West_Coast

My dog has been throwing up all night and I'm really worried. I've been searching online for 'hjælp til syg hund' because I need practical advice on what to do before I can get to the vet. Symptoms like lethargy and not eating are scaring me. I'd appreciate any tips on how to keep him comfortable and what signs mean it's an emergency.