 [ Symptoms ] what is wrong with my spleen  5 years ago i was in a car accident and my spleen was bruised and damaged the pain i got when this happened has recently returned it spreads all down my left side especially under my rib the pain is unbearable it is making me feel sick i have lost my appitite and feel constantly tired what could be wrong with me should i go to a&e [ Disease ] well peritonitis can cause rapid spread of infection if it is severe and can lead to multiple organ failure so it is better to avoid delay and consult a physician or gastroenterologist and get evaluated immediate medical and surgical intervention is a must hope this helps