Can Rashes Or Big Whelps Indicate Shingles?

I take a couple perscription meds that say no direct sun have got shingles twice in last 5 years from this according to my dr. last october was given Glimepiride for high sugar since april i been getting itchy whelps i thought were chigger bites cause i live in a new camper ,parked under a pine tree & i go out to wash cat box,walk to dumpster & not much sun i dont prolong staying in sun like perscription saysI also take Metoprolol,Diphen/Atrop,&Alprazolam.I have ruled out chiggers,spiders,&red clover dustmite.time I go into the sunlite it burns & stings it itches bad stops then starts,i burn where there is no rash or big whelps could this be shingles again.i on disabilaty cant aford to see my dr.rite now