Nausea

Jess
Hey ladies, 
I've been experiencing all day sickness since week 5. I am currently 16 weeks and 1 day. I was praying the sickness would go away, but still hasn't gone away. Does anyone have any natural remedies, or cures? I've tried deglectant, ginger, tea, lemon water, crackers, eating through it, etc. 
Thanks!