i keep getting white bumps that swell up and are red all around it and itch badly they keep poping up on my back,arms,legs.they just pop up out of no where i cant think of a specific thing im doing when they pop up i havent changed any soaps or ate anything different im so confused.it cant be bugs because no one else in my house has ever had these bumps please help nothing takes the itch away accept this anti itch cream will work for only a few minutes.