Sickness and loss of appetite at 12 weeks pregnant - help

IM harianne . Im currently 12 weeks pregnant and over the last 2 weeks IV done nothing but be and feel sick. I can keep anything down n can't handle the thaught of putting anything in my mouth wether it be food or drink or even my toothbrush I'd really love some advice on what I can do. I have tried ginger biscuits but to be honest im stuck on what to do I can't even take my vitamin tablets. Please help lol