Nausea And vomiting's EXIT!?

Melanie • 1 miscarriage• 1 girl born 12/1/15• Baby #2 due Oct 2017
When did your morning sickness or "all day" sickness go away?  I am 15 weeks and mine is not letting up.  I Have it morning, middle of day, before bed and sometimes middle of the night.  Desperate for some relief!