Vomiting can be for many reasons.
Upset stomach? Could he/she have gotten into anything? Ate something they weren’t suppose to?
We recommending withholding for for the day and starting to then feed small amount if they seem to be improving.
Next steps would be radiographs to confirm whether anything seems odd, and sometimes sending out a blood panel to check levels.
Let us know if you have any questions!
Digestive problem . You may feed him digestive medicines for dog. If it doesn’t work , then you should visit doctor.