Hi. What was the cause of fever? Was it viral? Were you tested for covid?
You are recovering from a febrile illness and all your symptoms could be part of the post viral fatigue tiredness.
Next Steps
Keep yourself well hydrated (drink lots of water)
If not done during fever, get basic blood tests to check your hemoglobin
If symptoms persist beyond one two weeks or progressively become severe seek a physical consultation with a doctor.