WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms bleeding, diarrhea and pain or discomfort including Food poisoning, Irritable bowel syndrome, and Gastroenteritis. There are 79 conditions associated with bleeding, diarrhea and pain or discomfort.
At least half of women have experienced the discomfort with urination caused by a urinary tract infection: painful, urgent, or frequent urination. Pyelonephritis may start with similar symptoms. However, once the infection has spread to the kidney, signs of more severe illness usually result.
Chronic pyelonephritis causes persistent flank or abdominal pain, signs of infection (fever, unintentional weight loss, malaise, decreased appetite), lower urinary tract symptoms and blood in the urine. Chronic pyelonephritis can in addition cause fever of unknown origin.