Queasniness

Hi all! I am almost 11 weeks preggo and due May 21st. This is my third pregnancy and with my other two my queasiness have subsided by now. This pregnancy is so much harder though. I feel queasy and dry heave constantly. One day I will be totally fine and the next day I feel absolutely green. Anyone have any tips? I have tried ginger and that really hasn't helped. Anyone else in the same boat?