Girls every day I feel nauseous??? but it doesn't vomit. I can't look …

Girls every day I feel nauseous??? but it doesn't vomit. I can't look at food. It was easy with the first child. But this time I just fade like a flower. I don't want to eat, I don't want to walk, I don't want to do anything. I don't even want to wash my head? when will this pass? From hunger I feel worse and worse nausea. Are there any drugs. Dizziness and weakness too