Don:
Please do yourself a favor and get to a doctor at once. In truth, I don't know what you have, though I copuld make a guess at a condition called
erythemaErythema multiforme
Erythema multiforme on the hand
Erythema multiforme on the hands
Erythema multiforme on the leg
Erythema multiforme, circular lesions - hands
Erythema multiforme, target lesions on the palm multiforme, which produces round, "bull's -eye"
spotsBirthmarks - pigmented
Liver spots
Measles, koplik spots - close-up
Mongolian blue spots and oral ulcers as well. (The "hanging thing" is called a uvula. This condition is not necessarily serious, but it may be due to a drug you're taking, and in any case, total-body rashes with
swallowingPainful swallowing
Swallowing difficulty difficulty are nothing to fool around with.
If you're smart, you'll go see a doctor now. Start with a walk-in clinic, if you haven't got a doctor of your own.
Good luck.
Dr. R