My Daughter Has Been Feeling Lousey For About A Month.

My daughter has been feeling lousey for about a month. Her symptoms are:
Dizziness
trouble focusing
feeling in a fog
achy
chest pain
feeling like she cant breath
feels like heart is racing
feels like she may pass out
fatigued all the time
trouble sleeping
body chills
shooting pains
shakey hands
sore shoulders , neck , back
flushing
It's not all of these symptoms all the time but she has experience all of these. Today we notice lines are her inner legs that go from about the mid calf to the inner thigh....one on each leg....like a long visible vein