 [ Symptoms ] what causes hives all over when nothing new has changed  for over a week i am randomly breaking out my skin starts to burn then tingly itch when i go look i am covered in welts sometimes big swelling i could not bend my fingers for 2 days then my forearm swelled up for 3 days then my lip for a few hours when it swells it goes tingly numb like a shot at the dentist my ears are burning my scalp my feet it pops up everywhere goes down but them comes back all day everyday nothing new has changed benedryl helps very little for a few hours [ Disease ] stress