Hello
According to ur description ur having fever is due to tooth pain which may be infected
Fungal Infection does cause any fever.
Also ur using steroid base creams which r harmful for ur skin.
Next Steps
u can send me detailed pictures of ur problem to help u better
Health Tips
use loose cotton clothes
wash clothes in hot water
bath twice a day .u can do direct online consulation with me so I can suggest you further treatment.
tc