Vertigo And Lyme Disease What Would Cause These Symptoms My GF Is Sick?

What would cause these symptoms my GF is sick? - vertigo and lyme disease

Flu-like feelings of headache, fatigue, stiff neck
falling body appitite loss of cough without fever, sweating

I can not reviewed the ticks, Lyme disease is so far out do not know doctor, it was not my first thought is an infection of the ear (vertigo), ear, but no pain, feeling dizzy, but I thought then dehydration extreem mixed exhaustion gave him 2 bottles pedialight and dark urine is not i dont think thats it either?