So the last 2weeks I took my son to the dr and Er,his face neck and ears where red it hurt him,…

So the last 2weeks I took my son to the dr and Er,his face neck and ears where red it hurt him, didn't let him sleep they said it was a rash or allergic reaction, nothing has changed in my house this rash comes and goes, but tonight his face and hands are swollen😔 I'm so stressed out I hate seeing my baby sick wish I knew what Is wrong with him💔