I see you joined Med help this month.
This
does sound like an allergic reaction to something you have been exposed to. Have you ever had a skin allergy test ? Where I live , if you want to see an allergist, you have to have a referral from your doctor.
I had a skin test a number of years ago now. At least then you would know what you are allergic to. Are these things you are experiencing happening inside your home , outside your home or both ?