It is indeed common during first tri you will have vomitting, nausea. It will be over soon as you enter next phase of trimester. But depends on individual body. You can let your gynae know and if they are able to prescribe with nausea med to lessen vomitting/nausea. Try to trial and error with some food that you like. It can be dry food, snacks, drinks etc. It may help to deal with the vomitting/nausea.