On Friday night, I took 8 paracetamol in 30 minutes on an empty tummy. Ambulance was called after I was sick and I was allowed to go home to sleep. I have since been to the doctors and hospital for blood tests & all were acceptable. However I m very tired all the time, in and out of sleep all day, with headaches, tummy cramps and I ve just had very bloody stools. Is this my body clearing out the paracetamol or should I be worried?