What should I do

My fiance and I got into an argument yesterday. It was immature on both parts but my therapist said that he was being too much that she would want to yell at him. So he gave me the silent treatment. The night before he told me he might go to his moms but he doesn't know because she might be busy. He never told me anything else and we argued and gave me the silent treatment. I started feeling sick. I had a horrible pain in my stomach and wasn't hungry and threw up. (Not pregnant) so I tried to get things settled with the doctor and he was getting our 1 yeat old ready and I asked him where he was going. He said his moms. I told him he needs to communicate with me even if he's angry with me because I feel sick and I need to go to the doctors. He got mad and said that I would choose today on purpose because he wanted to see his mom and he never told me anything. He only said he was thinking about it. We share my car and I said its fine to go but to just let me know next time. He got angry and canceled on his mom and yelled at me to do what I need to do. Hes continuing to not talk to me and I was prescribed a lot of medicine and he still hasn't asked me if I'm ok. I understand he can be angry but to just not care is so hurtful.