I have had fever for 6 days and an enlarged lymph node on jaw?

Low grade fever for 6 days (99.5-100.5), enlarged painless lymph node on jaw (under ear) extreme fatigue, dull pain in right side of my jaw, pale skin.
Blood tests:
Mono; negative
Epstein barr; negative
Pregnancy: negative
CBC; normal range
I’m a 18y/o woman, 125lbs, 5’9″ft tall, from North America

Medications: Focalin XR 25mg, Taytulla