I can't even kiss my partner

So when I was in hospital they diagnosed me with HG I was already on pills for it but they game me Cyclazine, Ondansertron, ranitadine and thiamine tablets I have managed to keep taking them every day O&C every 8 hours and I still get sick I have vomited a few times but I've had constant nausea I have been stick in bed for 14 weeks and I had to visit a family member and I have been unsociable coz of the nausea please someone help I've tried eating drinking plenty having ginger nut biscuits everything I can think of and I'm stuck!