Serious question I'm a first-time mom to put that out there

I woke up from a nap with my baby that I am exclusively breast-feeding around our ago and when I woke up I had a fever of 100 .8 then hour later i check my fever again just now and I have 101.3 so I'm trying to figure out what I should do my baby as you can see baby is only one month.... my husbands at work and I don't want to get my baby sick he doesn't have a fever right now but I don't know what's going on with me also severe headache as well as achy ness but that comes with any fever