Sickness in pregnancy

I've had 4 pregnancy's, 2 boys and two miscarriages at 6 and 12 weeks, i am 7 weeks tomorrow, since about 5 weeks as soon as I found out I've been sick, had constant nausea, reflux so bad I can't even bend down with out rushes of sick and ext, im having to pull over and wait a while whenever I'm driving, it's not just in the morning or at night it's constant and worsens after I've eaten, even being sick doesn't stop it, I'm worried as this is totally out the normal for me I'm not due to see my midwife until the 25th of this month. Any tips to feel a little bit better I've got my boys to look after 😭