You need to see a doctor. Preferably a dermatologist. They're less expensive than an allergist & they can decide if you need an allergist. You can make direct appointments with them without a referral. I'm not a doc but it looks like an allergy worth taking seriously. You don't want to wait until your throat closes up.
Have you seen any spiders? Fleas? Bed bugs have a Breakfast, Lunch, Dinner pattern of bites. I would buy a roach motel type of glue trap and see what gets trapped. But, don't waste time. If you're allergic, your reaction could be swelling & itching. But, this is a DIY chatroom & you need a Doctor not a handyman or Contractor.
Where do you live?