Swallowing cum made me sick?

I did oral on my boyfriend 2 days ago and I swallowed his cum. The next day I started to feel pain in my throat and I assumed it was normal since it was from me deepthroating. Anyway this morning I started to feel really sick. I have a fever, headache, stuffy nose and any cold symptoms. I’m wondering if this is normal for anyone or ect?

(Keep in mind when I swallow nut it makes me sick after a few days)