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.
The most common complication of hydronephrosis is development of a urinary tract infection (UTI). When the UTI is associated with a high fever, a kidney infection is (pyelonephritis) is suspected. This is caused by bacteria spreading from the bladder to the kidney and invading the kidney tissue.