I have this feeling as if something is moving under my skin. It is mostly in my back but can feel it moving in other parts of my torso and thoat. Other times it is a tingling mostly in the arms but can be all my body and than it is constricting mostly head and chest, also can feel it internaly lungs, heart, digestive. Also unexplained pains that go and come, all these can(not all the time)result in a red blotchy or/and spoted or bumpy rash. Other symtoms; Palpatations,digestive issues,anxiety,spaceness,constricted breathing,joints feel weak or ache, odd taste, tremorlike feeling when i wakeup.