Can you see a flee I don't know what's biting me and making me itch?

something biting me and making me itch I've tried everything and it's not helping I've tried boric acid , borax , insect spray I'm thinking about going to buy one of those bomb to set off in the house do those bomb damage your furniture . I can't take it no more with the biting and itching my grandson was over at my house and he was playing the xbox and he jump up sream and run and I had to catch him he was holler something bit me please help me at first it wasn't biting me when I go to bed but now it is