Oh hun i really sympathise, i suffered constant vomitting until 12 weeks. One thing helped me immensely: about 4 almonds (plain not salted) every hour or so. I would even eat these through the night as i would wake up to vomit. I bought the organic ones.

The other thing depending on if you can stomach it, real fruit juice icey poles to keep your fluids up.

Stay strong and know that it does pass!