Morning sickness help- should I go to the ER?

Korey • First time 🤰🏼baby girl 🎀 Hanna 11/10/19 💍 5/11/18

I’ve had mild morning sickness off and on since about 4.5 weeks. I’m now 6.2 weeks and the last 2 days have hit HARD. Yesterday, I couldn’t keep anything down the entire day. The only thing I ate all day was some shredded cheese, a little water and a few drinks of Vernors. I threw up about 7 times total and threw up the cheese and Vernors. This AM I woke up hoping to be hungry, but immediately was nauseous, basically dry heaved nothing 3 times (I have nothing in me). I drank about 1/4 bottle of water, and it stayed down. Then I felt better and had chicken noodle soup and then McDs French fries sounded good. About 2 hours after soup and 3 hours after fries I threw up everything and have thrown up twice since then. My husband is worried and wants me to go to the ER in the morning if I can’t keep anything down by then. Should I try a little longer or should I head in? I know morning sickness is common and don’t want to overreact. Should I call my doctor first? Although I’m sure I need fluids and stuff, so I’m not sure what they could do. Also, I’m pretty little- 104lbs normally and I weighed myself today at 101. I’m nervous about losing too much. Any advice or ideas? Should I go in or wait and talk to my doctor?