About three weeks ago I had a cold ,went to doctor afer five days without felling better ,lost voice went back was told no strep , but was given amoxicillin in case I have an infection,it’s been 4 Date now and I still can not speak for any length of time my voice disappears,I have stiff neck fells like something is stuck at the back of my tongue sudden uncontrollably cough and headache with fatigue