Have you ever lost your appetite after having a fever?

I had a high fever last Wednesday, and ever since then, everything has tasted bitter. The bitter taste has mostly subsided now, but I still haven't gotten my appetite back.

After just two or three bites, I feel like I'm going to puke. Because of this, my stomach sometimes hurts because I'm literally starving. However, I can't explain why I have absolutely no appetite at all.