"Wrong diagnoisis"

I went to the hospital October very poorly couldn't move bruises pain acks couldn't hardly move I was there from 11 pm till 5 am had blood test and xray on chest said I had infection and I was tired as I have twins and that's why I was poorly, they said come back if no better,, and there was blood on the floor what hadn't been cleaned properly " days later went back still no better they said it takes a week for you to get better day sent me home,, Day after my mum had to ring ambulance as I couldn't open eyes was being sick could move hot and cold ,, the ambulance people said I think your just drained but will take you in anyway.. When arrived at a&e the doctor said look amy you have been here 3 times now and laughted do you not believe us or something I said yes sorry its just I don't feel right then sent home AT 4AM they rang for me to go back I had pneumonia horrible hospital.