Not pregnant btw, went for a cigarette, felt fine then when I was walking back into my house, I went blind, couldn't walk because I was so dizzy so I had too lie down in my living room felt so sick and like I was gonna vomit, was shaking and sweating and felt absolutely boiling, my hands and feet went tingly as well 😳 then it all went away at once and I feel fine now, a bit nauseous but fine, what has actually just happened too me?!