Hi im 8 weeks pregnant and iv had really bad

Patient: Hi im 8 weeks pregnant and iv had really bad morning sickness its been about 8-9 days iv not been able to hold down any food or any liquids i phoned up the doctor and he didnt want me to take ant sickness tablets i am unsure why . He prescribed me dyolite but i cant keep that down either. Im very weak and fustrated of being hungry and my belly is now really soar aswell as my throat feels horrible with a huge lump i need some advice

Doctor: