4 days into sore throat has turned into runny nose, cough, occasional coughing up phlegm, tiredness, pain in neck and back.

4 days into sore throat has turned into runny nose, cough, occasional coughing up phlegm,
tiredness, pain in neck and back.
Back pain is horrible on left side lumbar region as usual.
Always worse upon eating food.
Today  from 130 to 430 Made and ate homemade chicken soup from legs and thighs purchased
at Hy-Vee a couple of days ago.