8 weeks: Feeling sick & horrible

Hi mummies ♥️ It’s my 8th week in, first pregnancy, and my nausea (which started gradually since Week 3 😔) is getting bad. I pretty much have aversion to all foods except porridge, and a constant bitter taste in the mouth from the puking. Nausea medication did not help as it stopped the puking but made me feel horribly drowsy the whole day, still with the nauseous feeling — actual puking feels a little better. ♥️ To add on, my body feels very warm even at night (measured 37°C despite usually only being 36.4°C — knowledge thanks to COVID constant temperature monitoring lol). About once/twice daily, I’ll feel so feverish, I have to lie down and try to sleep it off. Is this normal? :( I worry that my body doesn’t seem capable of handling a pregnancy, like its fighting against it or something. Please tell me this is what first trimester just is? 🙏🏻