The past five days I've had horrible headaches, been really tired...like napping for three hours out cold at a time, stuffy nose sore throat, swollen lymph nodes...allergy type stuff I assumed. Well when I've been laying down my heart has been randomly racing. My resting heart rate is normally high 60's low 70's. I'll be laying down and my heart rate will jump up to 100+ bpm for awhile and then go back down 30 minutes later.  Again I haven't though much of it but everything is making me worry. I had mono last year and I'm worried I might be getting it again. I haven't had a fever that I know of but I've felt very warm the past few days. Any opinions. I don't want to pay for a visit to be told to go home drink water and rest. I'm 16 weeks.