Nausea Medication

Hi! FTM here. I am 14 weeks. I have had nausea my entire pregnancy so far. It’s been so so awful. It’s only managed by taking vitamin B6 and Unisome. I am trying not to have anxiety about taking Unisome while pregnant. I am especially worried about effects it has on the baby. But I am literally throwing up everything I eat without it. Can someone please tell me that they took Unisome for a long time and it had no effect…. My anxiety about it is through the roof….