7w 5d and insane nausea and diarrhea

Some days I throw up and can't even keep water down some days I feel fine and some days I just have insane nausea all day. I also have been having diarrhea about 3-4 times a day. I am staying well hydrated. Eating small meals throughout the day. I drink ginger ale every day. The doctor prescribed me diclegis to take at night to help with my morning sickness but it doesn't work all that well. I take Epsom salt baths twice a week to maintain my magnesium levels. I've tried peppermint, no good. I eat before I get out of bed and keep crackers by my bed to snack on through the night and a glass of apple juice to keep my blood sugar levels up through the night.ive tried a lot of things but still haven't found something that helps all that much. Any advice?