I've had surgery 3 weeks ago after ectopic pregnancy,I vomited all the food I ate today.Is it normal

Hi,i had an open surgery 3 weeks ago via the ectopic pregnancy and today i felt like vomiting and i threw up all the food i just ate,my breast engorge and milk also comes out .Is it normal?

Without s gallbladder for a long while anything with butter, fats or spices will make you throw up.