I have a fever, a headache, my gums/throat are swollen, my lymph nodes along my right neck are swollen and tender, and I am very fatigued. This came on suddenly. My lymph nodes were swollen on Sunday and by Monday evening I had a fever. I am also so weak it is difficult to get out of bed. After taking a fever reducer my fatigue decreased and I am more mobil but I slept the entire day. Should I go to the doctor or give this more time?